./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:15:38,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:15:38,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:15:38,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:15:38,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:15:38,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:15:38,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:15:38,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:15:38,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:15:38,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:15:38,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:15:38,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:15:38,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:15:38,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:15:38,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:15:38,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:15:38,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:15:38,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:15:38,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:15:38,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:15:38,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:15:38,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:15:38,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:15:38,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:38,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:15:38,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:15:38,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:15:38,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:15:38,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:15:38,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:15:38,988 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37 [2023-12-03 04:15:39,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:15:39,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:15:39,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:15:39,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:15:39,249 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:15:39,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c [2023-12-03 04:15:44,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:15:44,448 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:15:44,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c [2023-12-03 04:15:44,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/f949518a6/8662a76972e84bfcb0f6569e03c3b214/FLAG0ed634e83 [2023-12-03 04:15:44,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/f949518a6/8662a76972e84bfcb0f6569e03c3b214 [2023-12-03 04:15:44,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:15:44,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:15:44,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:44,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:15:44,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:15:44,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:44" (1/1) ... [2023-12-03 04:15:44,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b175efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:44, skipping insertion in model container [2023-12-03 04:15:44,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:44" (1/1) ... [2023-12-03 04:15:44,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:15:44,766 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189] [2023-12-03 04:15:45,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:45,335 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:15:45,347 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189] [2023-12-03 04:15:45,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:45,783 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:15:45,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45 WrapperNode [2023-12-03 04:15:45,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:45,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:45,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:15:45,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:15:45,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:45,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:47,351 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18672 [2023-12-03 04:15:47,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:47,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:15:47,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:15:47,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:15:47,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:47,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:47,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:47,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:15:48,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:15:48,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:15:48,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:15:48,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:45" (1/1) ... [2023-12-03 04:15:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:15:48,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:15:48,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:15:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:15:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:15:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:15:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:15:49,809 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:15:49,812 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:59,771 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:16:26,926 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:16:26,926 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:16:26,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:26 BoogieIcfgContainer [2023-12-03 04:16:26,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:16:26,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:16:26,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:16:26,935 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:16:26,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:16:26" (1/1) ... [2023-12-03 04:16:26,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:16:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:16:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:16:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:16:26,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:16:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:29,492 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 04:16:40,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:16:50,607 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 04:16:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:16:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:16:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:16:51,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:17:04,895 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 04:17:04,898 INFO L158 Benchmark]: Toolchain (without parser) took 80411.79ms. Allocated memory was 144.7MB in the beginning and 7.3GB in the end (delta: 7.2GB). Free memory was 100.9MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-03 04:17:04,899 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:17:04,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1300.37ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 100.7MB in the beginning and 69.4MB in the end (delta: 31.3MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2023-12-03 04:17:04,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 1563.42ms. Allocated memory was 180.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.4MB in the beginning and 1.0GB in the end (delta: -957.5MB). Peak memory consumption was 277.9MB. Max. memory is 16.1GB. [2023-12-03 04:17:04,901 INFO L158 Benchmark]: Boogie Preprocessor took 1568.02ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 913.6MB in the end (delta: 113.2MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2023-12-03 04:17:04,902 INFO L158 Benchmark]: RCFGBuilder took 38007.22ms. Allocated memory was 1.3GB in the beginning and 6.6GB in the end (delta: 5.3GB). Free memory was 913.6MB in the beginning and 4.8GB in the end (delta: -3.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2023-12-03 04:17:04,902 INFO L158 Benchmark]: CodeCheck took 37968.81ms. Allocated memory was 6.6GB in the beginning and 7.3GB in the end (delta: 748.7MB). Free memory was 4.8GB in the beginning and 6.4GB in the end (delta: -1.6GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:17:04,906 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 0.18ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1300.37ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 100.7MB in the beginning and 69.4MB in the end (delta: 31.3MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1563.42ms. Allocated memory was 180.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.4MB in the beginning and 1.0GB in the end (delta: -957.5MB). Peak memory consumption was 277.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1568.02ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 913.6MB in the end (delta: 113.2MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * RCFGBuilder took 38007.22ms. Allocated memory was 1.3GB in the beginning and 6.6GB in the end (delta: 5.3GB). Free memory was 913.6MB in the beginning and 4.8GB in the end (delta: -3.9GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * CodeCheck took 37968.81ms. Allocated memory was 6.6GB in the beginning and 7.3GB in the end (delta: 748.7MB). Free memory was 4.8GB in the beginning and 6.4GB in the end (delta: -1.6GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:17:05,116 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:17:05,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:17:07,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:17:07,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:17:07,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:17:07,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:17:07,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:17:07,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:17:07,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:17:07,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:17:07,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:17:07,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:17:07,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:17:07,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:17:07,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:17:07,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:17:07,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:17:07,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:17:07,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:17:07,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:17:07,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:17:07,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:17:07,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:17:07,232 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:07,232 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:17:07,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:17:07,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:17:07,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:17:07,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:17:07,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:17:07,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:17:07,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:07,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:17:07,236 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:17:07,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:17:07,236 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473867d34e525b28e26b42df133bde96f703860ebccbeb1b29653c50d41b3f37 [2023-12-03 04:17:07,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:17:07,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:17:07,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:17:07,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:17:07,548 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:17:07,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c [2023-12-03 04:17:10,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:17:10,688 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:17:10,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c [2023-12-03 04:17:10,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/a30de4f5a/0703c928ce2e43d5a52a23617dd67bb1/FLAG27cc72e36 [2023-12-03 04:17:10,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/data/a30de4f5a/0703c928ce2e43d5a52a23617dd67bb1 [2023-12-03 04:17:10,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:17:10,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:17:10,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:17:10,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:17:10,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:17:10,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:17:10" (1/1) ... [2023-12-03 04:17:10,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edcb717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:10, skipping insertion in model container [2023-12-03 04:17:10,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:17:10" (1/1) ... [2023-12-03 04:17:10,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:17:11,000 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189] [2023-12-03 04:17:11,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:17:11,458 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:17:11,470 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_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.2.prop1-func-interl.c[1176,1189] [2023-12-03 04:17:11,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:17:11,746 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:17:11,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11 WrapperNode [2023-12-03 04:17:11,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:17:11,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:17:11,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:17:11,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:17:11,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:11,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:11,977 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4654 [2023-12-03 04:17:11,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:17:11,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:17:11,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:17:11,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:17:11,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:11,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:17:12,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:17:12,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:17:12,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:17:12,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:11" (1/1) ... [2023-12-03 04:17:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:17:12,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:17:12,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:17:12,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:17:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:17:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:17:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:17:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:17:12,973 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:17:12,975 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:17:23,324 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:17:23,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:17:23,586 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:17:23,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:17:23 BoogieIcfgContainer [2023-12-03 04:17:23,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:17:23,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:17:23,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:17:23,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:17:23,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:17:23" (1/1) ... [2023-12-03 04:17:23,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:17:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:23,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:17:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:17:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:17:23,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:23,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:23,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:23,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:17:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:24,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:25,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:17:25,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:25,197 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 04:17:25,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:17:28,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:17:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:17:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:17:29,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:29,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:29,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:29,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:29,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:17:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:32,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:34,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 3915 conjuncts, 189 conjunts are in the unsatisfiable core [2023-12-03 04:17:34,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:39,231 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 04:17:39,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:17:42,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:44,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:50,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:06,369 WARN L539 Checker$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 04:18:13,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:18:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 04:18:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 04:18:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:15,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:15,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:15,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:15,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:15,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:18:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:22,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:24,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 7623 conjuncts, 408 conjunts are in the unsatisfiable core [2023-12-03 04:18:24,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:43,710 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 04:19:43,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:19:57,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:10,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:03,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:21:41,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:21:46,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:24:35,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:24:45,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:01,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:03,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:08,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:19,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:29,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:30,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:28:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 41 transitions. [2023-12-03 04:28:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 41 transitions. [2023-12-03 04:28:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:28:31,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:31,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:31,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:31,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:28:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:37,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:40,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 7623 conjuncts, 408 conjunts are in the unsatisfiable core [2023-12-03 04:28:40,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:53,202 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 04:28:53,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b1b8e57-6fdb-4968-833b-5d9d2087ba86/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0