./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9 --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 8aa0854696929cd60dcfb2f919c0cb62e546b866044e90a2fa0fc68eff98640b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:03:09,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:03:09,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:03:09,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:03:09,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:03:09,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:03:09,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:03:09,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:03:09,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:03:09,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:03:09,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:03:09,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:03:09,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:03:09,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:03:09,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:03:09,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:03:09,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:03:09,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:03:09,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:03:09,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:03:09,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:03:09,516 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:03:09,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:03:09,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:09,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:03:09,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:03:09,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:03:09,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:03:09,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:03:09,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:03:09,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aa0854696929cd60dcfb2f919c0cb62e546b866044e90a2fa0fc68eff98640b [2023-12-03 00:03:09,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:03:09,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:03:09,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:03:09,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:03:09,748 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:03:09,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c [2023-12-03 00:03:12,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:03:12,994 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:03:12,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c [2023-12-03 00:03:13,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/a28cc7da0/c4772bc09b034e8da3488addbcb67882/FLAG3eebbb691 [2023-12-03 00:03:13,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/a28cc7da0/c4772bc09b034e8da3488addbcb67882 [2023-12-03 00:03:13,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:03:13,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:03:13,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:13,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:03:13,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:03:13,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:13" (1/1) ... [2023-12-03 00:03:13,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e90596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:13, skipping insertion in model container [2023-12-03 00:03:13,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:13" (1/1) ... [2023-12-03 00:03:13,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:03:13,643 WARN L240 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_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c[1172,1185] [2023-12-03 00:03:15,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:15,024 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:03:15,037 WARN L240 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_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c[1172,1185] [2023-12-03 00:03:16,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:16,103 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:03:16,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16 WrapperNode [2023-12-03 00:03:16,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:16,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:16,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:03:16,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:03:16,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:16,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:21,005 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60945 [2023-12-03 00:03:21,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:21,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:03:21,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:03:21,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:03:21,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:21,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:21,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:21,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:23,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:23,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:23,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:23,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:24,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:03:24,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:03:24,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:03:24,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:03:24,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:16" (1/1) ... [2023-12-03 00:03:24,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:03:24,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:03:24,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:03:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:03:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:03:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:03:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:03:26,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:03:26,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:04:14,059 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:07:15,775 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:07:15,775 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:07:15,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:07:15 BoogieIcfgContainer [2023-12-03 00:07:15,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:07:15,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:07:15,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:07:15,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:07:15,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:07:15" (1/1) ... [2023-12-03 00:07:15,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:07:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:07:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:07:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:07:15,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:07:40,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:07:50,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:07:54,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:07:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:07:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:07:54,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:54,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:08:17,528 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:488) 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) [2023-12-03 00:08:17,531 INFO L158 Benchmark]: Toolchain (without parser) took 304437.32ms. Allocated memory was 184.5MB in the beginning and 14.7GB in the end (delta: 14.5GB). Free memory was 116.6MB in the beginning and 11.1GB in the end (delta: -11.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2023-12-03 00:08:17,531 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:08:17,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3009.03ms. Allocated memory was 184.5MB in the beginning and 423.6MB in the end (delta: 239.1MB). Free memory was 116.6MB in the beginning and 130.3MB in the end (delta: -13.8MB). Peak memory consumption was 259.3MB. Max. memory is 16.1GB. [2023-12-03 00:08:17,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 4901.30ms. Allocated memory was 423.6MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 130.3MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 851.4MB. Max. memory is 16.1GB. [2023-12-03 00:08:17,533 INFO L158 Benchmark]: Boogie Preprocessor took 3711.72ms. Allocated memory is still 7.5GB. Free memory was 6.5GB in the beginning and 6.2GB in the end (delta: 338.7MB). Peak memory consumption was 622.9MB. Max. memory is 16.1GB. [2023-12-03 00:08:17,534 INFO L158 Benchmark]: RCFGBuilder took 231058.05ms. Allocated memory was 7.5GB in the beginning and 14.4GB in the end (delta: 6.9GB). Free memory was 6.2GB in the beginning and 11.1GB in the end (delta: -4.9GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. [2023-12-03 00:08:17,535 INFO L158 Benchmark]: CodeCheck took 61751.93ms. Allocated memory was 14.4GB in the beginning and 14.7GB in the end (delta: 287.3MB). Free memory was 11.1GB in the beginning and 11.1GB in the end (delta: -23.4MB). Peak memory consumption was 839.0MB. Max. memory is 16.1GB. [2023-12-03 00:08:17,538 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3009.03ms. Allocated memory was 184.5MB in the beginning and 423.6MB in the end (delta: 239.1MB). Free memory was 116.6MB in the beginning and 130.3MB in the end (delta: -13.8MB). Peak memory consumption was 259.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4901.30ms. Allocated memory was 423.6MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 130.3MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 851.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3711.72ms. Allocated memory is still 7.5GB. Free memory was 6.5GB in the beginning and 6.2GB in the end (delta: 338.7MB). Peak memory consumption was 622.9MB. Max. memory is 16.1GB. * RCFGBuilder took 231058.05ms. Allocated memory was 7.5GB in the beginning and 14.4GB in the end (delta: 6.9GB). Free memory was 6.2GB in the beginning and 11.1GB in the end (delta: -4.9GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. * CodeCheck took 61751.93ms. Allocated memory was 14.4GB in the beginning and 14.7GB in the end (delta: 287.3MB). Free memory was 11.1GB in the beginning and 11.1GB in the end (delta: -23.4MB). Peak memory consumption was 839.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:08:17,750 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:08:17,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9 --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 8aa0854696929cd60dcfb2f919c0cb62e546b866044e90a2fa0fc68eff98640b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:08:20,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:08:20,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:08:20,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:08:20,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:08:20,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:08:20,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:08:20,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:08:20,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:08:20,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:08:20,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:08:20,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:08:20,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:08:20,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:08:20,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:08:20,233 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:08:20,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:08:20,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:08:20,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:08:20,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:08:20,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:08:20,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:08:20,237 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:20,238 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:08:20,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:08:20,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:20,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:08:20,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:08:20,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:08:20,241 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:08:20,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:20,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:08:20,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:08:20,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:08:20,242 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aa0854696929cd60dcfb2f919c0cb62e546b866044e90a2fa0fc68eff98640b [2023-12-03 00:08:20,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:08:20,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:08:20,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:08:20,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:08:20,558 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:08:20,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c [2023-12-03 00:08:23,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:08:23,824 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:08:23,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c [2023-12-03 00:08:23,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/28d0179a8/fbe0dba958e846e3ad7e9f38355b4719/FLAGc1f305246 [2023-12-03 00:08:23,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/data/28d0179a8/fbe0dba958e846e3ad7e9f38355b4719 [2023-12-03 00:08:23,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:08:23,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:08:23,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:23,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:08:23,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:08:23,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:23" (1/1) ... [2023-12-03 00:08:23,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca0623c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:23, skipping insertion in model container [2023-12-03 00:08:23,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:23" (1/1) ... [2023-12-03 00:08:24,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:24,300 WARN L240 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_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c[1172,1185] [2023-12-03 00:08:25,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:25,277 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:08:25,290 WARN L240 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_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.8.prop1-func-interl.c[1172,1185] [2023-12-03 00:08:26,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:26,091 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:08:26,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26 WrapperNode [2023-12-03 00:08:26,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:26,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:26,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:08:26,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:08:26,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,762 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14831 [2023-12-03 00:08:26,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:26,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:08:26,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:08:26,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:08:26,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:08:27,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:08:27,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:08:27,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:08:27,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:27,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:08:27,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:08:27,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:08:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:08:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:08:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:08:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:08:29,065 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:08:29,067 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:10:10,122 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:10:10,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:10:10,757 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:10:10,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:10 BoogieIcfgContainer [2023-12-03 00:10:10,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:10:10,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:10:10,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:10:10,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:10:10,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:10" (1/1) ... [2023-12-03 00:10:10,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:10:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:10:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:10:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:10:10,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:10,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:10,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:10,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:10,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:10:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:14,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:15,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:10:15,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:15,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:26,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:36,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:10:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:10:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:10:36,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:36,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:36,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:36,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:36,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:10:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:46,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:50,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 12633 conjuncts, 649 conjunts are in the unsatisfiable core [2023-12-03 00:10:50,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:23,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:11:38,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:51,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:12,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:22,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:39,826 WARN L293 SmtUtils]: Spent 10.45s on a formula simplification. DAG size of input: 1056 DAG size of output: 1055 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:13:24,832 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 1058 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:13:54,560 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 1056 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:14:06,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:43,000 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 1059 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:14:54,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:15:05,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:15:16,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:15:18,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:15:19,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:15:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:21,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:21,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:21,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:21,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea3c3fa-94ff-4c9b-bf14-a02c071edccf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:15:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:30,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:34,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 12633 conjuncts, 649 conjunts are in the unsatisfiable core [2023-12-03 00:15:34,412 INFO L285 TraceCheckSpWp]: Computing forward predicates...