./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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 d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:00:16,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:00:16,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 05:00:16,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 05:00:16,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 05:00:16,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:00:16,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:00:16,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:00:16,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:00:16,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:00:16,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:00:16,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:00:16,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 05:00:16,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:00:16,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:00:16,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:00:16,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:00:16,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:00:16,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:00:16,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:00:16,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:00:16,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:00:16,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:00:16,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:00:16,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:00:16,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:00:16,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:00:16,515 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 05:00:16,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 05:00:16,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:00:16,526 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2023-12-03 05:00:16,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:00:16,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:00:16,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:00:16,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:00:16,761 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:00:16,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2023-12-03 05:00:19,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:00:19,851 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:00:19,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2023-12-03 05:00:19,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/1a72ba40e/d54d39c6aff7439a921dd5e06e4d55b7/FLAGb7bf9218a [2023-12-03 05:00:19,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/1a72ba40e/d54d39c6aff7439a921dd5e06e4d55b7 [2023-12-03 05:00:19,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:00:19,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:00:19,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:00:19,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:00:19,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:00:19,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:00:19" (1/1) ... [2023-12-03 05:00:19,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ded019f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:19, skipping insertion in model container [2023-12-03 05:00:19,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:00:19" (1/1) ... [2023-12-03 05:00:19,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:00:20,134 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2023-12-03 05:00:20,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:00:20,540 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:00:20,552 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2023-12-03 05:00:20,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:00:20,774 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:00:20,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20 WrapperNode [2023-12-03 05:00:20,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:00:20,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:00:20,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:00:20,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:00:20,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:20,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:21,742 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8871 [2023-12-03 05:00:21,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:00:21,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:00:21,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:00:21,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:00:21,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:21,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:21,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:21,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:00:22,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:00:22,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:00:22,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:00:22,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:00:20" (1/1) ... [2023-12-03 05:00:22,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:00:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:00:22,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:00:22,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:00:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 05:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:00:23,165 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:00:23,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:00:28,482 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:00:38,832 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:00:38,832 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 05:00:38,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:00:38 BoogieIcfgContainer [2023-12-03 05:00:38,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:00:38,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:00:38,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:00:38,842 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:00:38,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:00:38" (1/1) ... [2023-12-03 05:00:38,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:00:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 05:00:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 05:00:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 05:00:38,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:00:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:40,488 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 05:00:50,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:01:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 05:01:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 05:01:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 05:01:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:01,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:01,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 05:04:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:04:36,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 05:09:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 05:09:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:09:15,217 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 05:09:15,220 INFO L158 Benchmark]: Toolchain (without parser) took 535333.42ms. Allocated memory was 132.1MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 95.8MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-03 05:09:15,221 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:09:15,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.40ms. Allocated memory is still 132.1MB. Free memory was 95.4MB in the beginning and 68.5MB in the end (delta: 26.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-12-03 05:09:15,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 966.42ms. Allocated memory was 132.1MB in the beginning and 257.9MB in the end (delta: 125.8MB). Free memory was 68.5MB in the beginning and 86.8MB in the end (delta: -18.4MB). Peak memory consumption was 147.7MB. Max. memory is 16.1GB. [2023-12-03 05:09:15,223 INFO L158 Benchmark]: Boogie Preprocessor took 913.82ms. Allocated memory was 257.9MB in the beginning and 515.9MB in the end (delta: 257.9MB). Free memory was 86.8MB in the beginning and 289.4MB in the end (delta: -202.6MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-12-03 05:09:15,224 INFO L158 Benchmark]: RCFGBuilder took 16176.39ms. Allocated memory was 515.9MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 289.4MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-03 05:09:15,225 INFO L158 Benchmark]: CodeCheck took 516384.77ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 1.9GB in the beginning and 3.6GB in the end (delta: -1.7GB). Peak memory consumption was 861.7MB. Max. memory is 16.1GB. [2023-12-03 05:09:15,228 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 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.40ms. Allocated memory is still 132.1MB. Free memory was 95.4MB in the beginning and 68.5MB in the end (delta: 26.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 966.42ms. Allocated memory was 132.1MB in the beginning and 257.9MB in the end (delta: 125.8MB). Free memory was 68.5MB in the beginning and 86.8MB in the end (delta: -18.4MB). Peak memory consumption was 147.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 913.82ms. Allocated memory was 257.9MB in the beginning and 515.9MB in the end (delta: 257.9MB). Free memory was 86.8MB in the beginning and 289.4MB in the end (delta: -202.6MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * RCFGBuilder took 16176.39ms. Allocated memory was 515.9MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 289.4MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 516384.77ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 1.9GB in the beginning and 3.6GB in the end (delta: -1.7GB). Peak memory consumption was 861.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:09:15,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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 d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 05:09:17,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 05:09:17,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 05:09:17,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 05:09:17,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 05:09:17,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 05:09:17,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 05:09:17,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 05:09:17,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 05:09:17,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 05:09:17,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 05:09:17,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 05:09:17,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 05:09:17,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 05:09:17,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 05:09:17,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 05:09:17,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 05:09:17,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 05:09:17,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 05:09:17,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 05:09:17,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 05:09:17,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 05:09:17,513 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:17,514 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 05:09:17,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 05:09:17,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:09:17,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 05:09:17,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 05:09:17,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 05:09:17,516 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 05:09:17,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:17,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 05:09:17,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 05:09:17,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 05:09:17,518 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cca2c1981986ef498fb2d20ecfb4ecde4369aa8ec3ff47ed8b99c4f9cf327 [2023-12-03 05:09:17,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 05:09:17,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 05:09:17,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 05:09:17,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 05:09:17,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 05:09:17,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2023-12-03 05:09:20,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 05:09:20,878 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 05:09:20,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c [2023-12-03 05:09:20,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/7aca05eda/347d5bfe972a423d8337840b65c10a40/FLAG0b7896cf4 [2023-12-03 05:09:20,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/data/7aca05eda/347d5bfe972a423d8337840b65c10a40 [2023-12-03 05:09:20,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 05:09:20,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 05:09:20,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 05:09:20,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 05:09:20,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 05:09:20,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:09:20" (1/1) ... [2023-12-03 05:09:20,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b16db58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:20, skipping insertion in model container [2023-12-03 05:09:20,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:09:20" (1/1) ... [2023-12-03 05:09:20,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 05:09:21,153 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2023-12-03 05:09:21,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:09:21,415 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 05:09:21,425 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_7f42e803-7ede-4fa3-88b7-5d2de66b6833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-func-interl.c[1183,1196] [2023-12-03 05:09:21,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 05:09:21,570 INFO L206 MainTranslator]: Completed translation [2023-12-03 05:09:21,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21 WrapperNode [2023-12-03 05:09:21,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 05:09:21,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 05:09:21,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 05:09:21,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 05:09:21,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,713 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2161 [2023-12-03 05:09:21,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 05:09:21,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 05:09:21,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 05:09:21,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 05:09:21,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 05:09:21,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 05:09:21,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 05:09:21,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 05:09:21,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:09:21" (1/1) ... [2023-12-03 05:09:21,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 05:09:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 05:09:21,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 05:09:21,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 05:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 05:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 05:09:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 05:09:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 05:09:22,270 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 05:09:22,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 05:09:25,324 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 05:09:25,459 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 05:09:25,460 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 05:09:25,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:09:25 BoogieIcfgContainer [2023-12-03 05:09:25,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 05:09:25,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 05:09:25,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 05:09:25,472 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 05:09:25,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:09:25" (1/1) ... [2023-12-03 05:09:25,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 05:09:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 05:09:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 05:09:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 05:09:25,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:25,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:25,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:25,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:25,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 05:09:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:26,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:26,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 05:09:26,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:26,461 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 05:09:26,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 05:09:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 05:09:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 05:09:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:09:26,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:26,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:26,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:26,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:26,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 05:09:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:28,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:28,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-03 05:09:28,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:29,773 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 05:09:29,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 05:09:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:09:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 05:09:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 05:09:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 05:09:33,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:09:33,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:09:33,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:09:33,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:09:33,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 05:09:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:35,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:09:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:09:35,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 3381 conjuncts, 195 conjunts are in the unsatisfiable core [2023-12-03 05:09:35,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:09:40,983 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 05:09:41,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 05:10:18,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:10:28,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:10:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 18 states and 38 transitions. [2023-12-03 05:10:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 38 transitions. [2023-12-03 05:10:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 05:10:28,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:28,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:28,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:28,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 05:10:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:30,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:10:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:10:31,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 3381 conjuncts, 195 conjunts are in the unsatisfiable core [2023-12-03 05:10:31,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:10:33,101 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 05:10:33,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 05:10:49,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:10:59,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:10:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:10:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2023-12-03 05:10:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2023-12-03 05:10:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 05:10:59,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:10:59,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:10:59,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:10:59,828 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:10:59,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f42e803-7ede-4fa3-88b7-5d2de66b6833/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 05:11:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:01,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:11:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:11:02,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 5004 conjuncts, 509 conjunts are in the unsatisfiable core [2023-12-03 05:11:03,020 INFO L285 TraceCheckSpWp]: Computing forward predicates...