./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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 f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:14:29,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:14:29,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:14:29,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:14:29,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:14:29,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:14:29,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:14:29,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:14:29,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:14:29,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:14:29,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:14:29,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:14:29,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:14:29,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:14:29,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:14:29,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:14:29,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:14:29,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:14:29,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:14:29,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:14:29,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:14:29,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:14:29,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:14:29,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:14:29,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:14:29,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:14:29,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:14:29,236 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:14:29,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:14:29,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:14:29,238 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a [2023-12-03 00:14:29,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:14:29,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:14:29,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:14:29,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:14:29,465 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:14:29,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2023-12-03 00:14:32,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:14:32,509 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:14:32,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2023-12-03 00:14:32,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/fa96a2902/fc41c292bafd4274b4abc809ac4c6b3f/FLAG08387d58b [2023-12-03 00:14:32,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/fa96a2902/fc41c292bafd4274b4abc809ac4c6b3f [2023-12-03 00:14:32,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:14:32,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:14:32,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:14:32,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:14:32,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:14:32,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:14:32" (1/1) ... [2023-12-03 00:14:32,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e74beed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:32, skipping insertion in model container [2023-12-03 00:14:32,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:14:32" (1/1) ... [2023-12-03 00:14:32,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:14:32,820 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2023-12-03 00:14:33,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:14:33,249 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:14:33,258 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2023-12-03 00:14:33,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:14:33,476 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:14:33,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33 WrapperNode [2023-12-03 00:14:33,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:14:33,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:14:33,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:14:33,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:14:33,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:33,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:34,484 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11913 [2023-12-03 00:14:34,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:14:34,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:14:34,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:14:34,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:14:34,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:34,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:34,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:34,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:14:35,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:14:35,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:14:35,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:14:35,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:14:33" (1/1) ... [2023-12-03 00:14:35,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:14:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:14:35,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:14:35,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:14:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:14:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:14:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:14:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:14:36,091 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:14:36,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:14:43,152 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:14:58,600 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:14:58,600 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:14:58,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:14:58 BoogieIcfgContainer [2023-12-03 00:14:58,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:14:58,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:14:58,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:14:58,610 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:14:58,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:14:58" (1/1) ... [2023-12-03 00:14:58,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:14:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:14:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:14:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:14:58,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:01,307 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 00:15:11,849 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 [] [2023-12-03 00:15:21,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:15:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:15:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:15:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:22,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:22,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:15:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:15:34,579 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 00:15:34,582 INFO L158 Benchmark]: Toolchain (without parser) took 62036.66ms. Allocated memory was 148.9MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 112.7MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-03 00:15:34,582 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:15:34,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.71ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 112.7MB in the beginning and 123.1MB in the end (delta: -10.5MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-12-03 00:15:34,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 1006.46ms. Allocated memory was 199.2MB in the beginning and 373.3MB in the end (delta: 174.1MB). Free memory was 123.1MB in the beginning and 153.8MB in the end (delta: -30.6MB). Peak memory consumption was 184.2MB. Max. memory is 16.1GB. [2023-12-03 00:15:34,584 INFO L158 Benchmark]: Boogie Preprocessor took 878.46ms. Allocated memory is still 373.3MB. Free memory was 153.8MB in the beginning and 100.3MB in the end (delta: 53.5MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2023-12-03 00:15:34,585 INFO L158 Benchmark]: RCFGBuilder took 23238.21ms. Allocated memory was 373.3MB in the beginning and 2.9GB in the end (delta: 2.5GB). Free memory was 100.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 00:15:34,585 INFO L158 Benchmark]: CodeCheck took 35978.30ms. Allocated memory was 2.9GB in the beginning and 5.2GB in the end (delta: 2.4GB). Free memory was 2.0GB in the beginning and 4.7GB in the end (delta: -2.7GB). Peak memory consumption was 227.7MB. Max. memory is 16.1GB. [2023-12-03 00:15:34,589 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 0.17ms. Allocated memory is still 111.1MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.71ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 112.7MB in the beginning and 123.1MB in the end (delta: -10.5MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1006.46ms. Allocated memory was 199.2MB in the beginning and 373.3MB in the end (delta: 174.1MB). Free memory was 123.1MB in the beginning and 153.8MB in the end (delta: -30.6MB). Peak memory consumption was 184.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 878.46ms. Allocated memory is still 373.3MB. Free memory was 153.8MB in the beginning and 100.3MB in the end (delta: 53.5MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. * RCFGBuilder took 23238.21ms. Allocated memory was 373.3MB in the beginning and 2.9GB in the end (delta: 2.5GB). Free memory was 100.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 35978.30ms. Allocated memory was 2.9GB in the beginning and 5.2GB in the end (delta: 2.4GB). Free memory was 2.0GB in the beginning and 4.7GB in the end (delta: -2.7GB). Peak memory consumption was 227.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:15:34,800 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:15:34,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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 f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:15:36,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:15:36,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:15:36,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:15:36,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:15:36,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:15:36,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:15:36,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:15:36,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:15:36,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:15:36,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:15:36,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:15:36,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:15:36,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:15:36,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:15:36,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:15:36,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:15:36,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:15:36,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:15:36,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:15:36,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:15:36,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:15:36,754 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:36,754 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:15:36,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:15:36,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:15:36,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:15:36,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:15:36,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:15:36,757 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:15:36,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:36,758 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:15:36,758 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:15:36,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:15:36,759 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74762d078baa3cea540c2d0f2113161fa0c6f946500e8905f1d75f397346f1a [2023-12-03 00:15:37,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:15:37,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:15:37,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:15:37,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:15:37,074 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:15:37,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2023-12-03 00:15:39,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:15:40,106 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:15:40,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c [2023-12-03 00:15:40,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/f4f54125e/49c4b1c68b874300ad266149b4d72782/FLAG25c003600 [2023-12-03 00:15:40,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/data/f4f54125e/49c4b1c68b874300ad266149b4d72782 [2023-12-03 00:15:40,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:15:40,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:15:40,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:15:40,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:15:40,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:15:40,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:40" (1/1) ... [2023-12-03 00:15:40,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5c0a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:40, skipping insertion in model container [2023-12-03 00:15:40,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:40" (1/1) ... [2023-12-03 00:15:40,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:15:40,429 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2023-12-03 00:15:40,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:15:40,815 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:15:40,826 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_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-func-interl.c[1174,1187] [2023-12-03 00:15:41,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:15:41,037 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:15:41,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41 WrapperNode [2023-12-03 00:15:41,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:15:41,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:15:41,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:15:41,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:15:41,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,185 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2787 [2023-12-03 00:15:41,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:15:41,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:15:41,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:15:41,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:15:41,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:15:41,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:15:41,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:15:41,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:15:41,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:41" (1/1) ... [2023-12-03 00:15:41,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:15:41,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:15:41,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:15:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:15:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:15:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:15:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:15:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:15:41,834 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:15:41,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:15:47,300 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:15:47,463 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:15:47,464 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:15:47,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:15:47 BoogieIcfgContainer [2023-12-03 00:15:47,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:15:47,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:15:47,467 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:15:47,476 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:15:47,476 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:15:47" (1/1) ... [2023-12-03 00:15:47,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:15:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:15:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:15:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:15:47,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:47,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:47,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:15:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:48,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:48,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:15:48,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:48,793 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 00:15:48,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:15:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:15:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:50,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:15:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:15:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:50,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:50,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:50,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:50,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:15:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:53,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:53,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-03 00:15:53,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:11,673 WARN L293 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 752 DAG size of output: 421 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:16:11,852 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 00:16:11,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:16:14,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:16:16,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:16:19,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:16:31,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:16:47,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:16:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 00:16:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 00:16:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:16:48,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:48,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:48,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:48,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:48,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:16:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:53,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:55,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 4420 conjuncts, 318 conjunts are in the unsatisfiable core [2023-12-03 00:16:55,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:55,251 WARN L293 SmtUtils]: Spent 2.79m on a formula simplification. DAG size of input: 819 DAG size of output: 687 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:24,792 WARN L293 SmtUtils]: Spent 1.39m on a formula simplification that was a NOOP. DAG size: 701 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:56,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e700c4b-6d9a-4e48-b387-63d4b73f61f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:22:02,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:12,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:25:00,494 WARN L293 SmtUtils]: Spent 2.75m on a formula simplification. DAG size of input: 691 DAG size of output: 690 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:26:21,846 WARN L293 SmtUtils]: Spent 1.23m on a formula simplification that was a NOOP. DAG size: 688 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)