./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-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_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/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_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/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_df72539c-b032-453d-a824-b51c1105c8bc/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 ba98d4a3488cd06cbfadbbd0a3214ae6b65c22e6a73ed4705251d3389591ddca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:59:13,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:59:13,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:59:13,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:59:13,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:59:13,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:59:13,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:59:13,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:59:13,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:59:13,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:59:13,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:59:13,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:59:13,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:59:13,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:59:13,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:59:13,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:59:13,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:59:13,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:59:13,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:59:13,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:59:13,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:59:13,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:59:13,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:59:13,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:59:13,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:59:13,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:59:13,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:59:13,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:59:13,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:59:13,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:59:13,211 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_df72539c-b032-453d-a824-b51c1105c8bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba98d4a3488cd06cbfadbbd0a3214ae6b65c22e6a73ed4705251d3389591ddca [2023-12-03 02:59:13,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:59:13,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:59:13,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:59:13,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:59:13,455 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:59:13,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c [2023-12-03 02:59:16,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:59:16,751 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:59:16,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c [2023-12-03 02:59:16,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/99b90cb4e/05fc9ce8126a4aa0a48bd945f5d3cd21/FLAGd5a70b4b3 [2023-12-03 02:59:16,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/99b90cb4e/05fc9ce8126a4aa0a48bd945f5d3cd21 [2023-12-03 02:59:16,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:59:16,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:59:16,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:59:16,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:59:16,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:59:16,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:59:16" (1/1) ... [2023-12-03 02:59:16,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb283fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:16, skipping insertion in model container [2023-12-03 02:59:16,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:59:16" (1/1) ... [2023-12-03 02:59:17,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:59:17,367 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_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c[1179,1192] [2023-12-03 02:59:18,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:59:18,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:59:18,459 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_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c[1179,1192] [2023-12-03 02:59:19,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:59:19,374 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:59:19,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19 WrapperNode [2023-12-03 02:59:19,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:59:19,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:59:19,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:59:19,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:59:19,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:19,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:22,794 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49604 [2023-12-03 02:59:22,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:59:22,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:59:22,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:59:22,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:59:22,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:22,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:23,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:23,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:24,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:24,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:24,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:24,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:25,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:59:25,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:59:25,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:59:25,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:59:25,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:19" (1/1) ... [2023-12-03 02:59:25,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:59:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:59:25,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:59:25,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:59:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:59:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:59:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:59:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:59:27,511 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:59:27,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:59:49,821 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:01:52,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:01:52,097 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:01:52,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:01:52 BoogieIcfgContainer [2023-12-03 03:01:52,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:01:52,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:01:52,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:01:52,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:01:52,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:01:52" (1/1) ... [2023-12-03 03:01:52,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:01:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:01:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:01:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:01:52,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:58,859 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 03:02:12,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:02:22,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:02:24,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:02:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 03:02:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 03:02:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:02:24,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:02:42,420 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 03:02:42,423 INFO L158 Benchmark]: Toolchain (without parser) took 205608.11ms. Allocated memory was 146.8MB in the beginning and 14.3GB in the end (delta: 14.1GB). Free memory was 88.8MB in the beginning and 11.1GB in the end (delta: -11.1GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-03 03:02:42,424 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:02:42,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2558.07ms. Allocated memory was 146.8MB in the beginning and 650.1MB in the end (delta: 503.3MB). Free memory was 88.8MB in the beginning and 414.5MB in the end (delta: -325.7MB). Peak memory consumption was 252.1MB. Max. memory is 16.1GB. [2023-12-03 03:02:42,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 3433.18ms. Allocated memory was 650.1MB in the beginning and 5.4GB in the end (delta: 4.8GB). Free memory was 414.5MB in the beginning and 4.6GB in the end (delta: -4.2GB). Peak memory consumption was 799.0MB. Max. memory is 16.1GB. [2023-12-03 03:02:42,426 INFO L158 Benchmark]: Boogie Preprocessor took 2885.90ms. Allocated memory is still 5.4GB. Free memory was 4.6GB in the beginning and 4.3GB in the end (delta: 271.6MB). Peak memory consumption was 460.3MB. Max. memory is 16.1GB. [2023-12-03 03:02:42,427 INFO L158 Benchmark]: RCFGBuilder took 146403.56ms. Allocated memory was 5.4GB in the beginning and 14.1GB in the end (delta: 8.7GB). Free memory was 4.3GB in the beginning and 11.1GB in the end (delta: -6.8GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. [2023-12-03 03:02:42,428 INFO L158 Benchmark]: CodeCheck took 50322.49ms. Allocated memory was 14.1GB in the beginning and 14.3GB in the end (delta: 172.0MB). Free memory was 11.1GB in the beginning and 11.1GB in the end (delta: -40.9MB). Peak memory consumption was 615.2MB. Max. memory is 16.1GB. [2023-12-03 03:02:42,432 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 0.23ms. Allocated memory is still 111.1MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2558.07ms. Allocated memory was 146.8MB in the beginning and 650.1MB in the end (delta: 503.3MB). Free memory was 88.8MB in the beginning and 414.5MB in the end (delta: -325.7MB). Peak memory consumption was 252.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3433.18ms. Allocated memory was 650.1MB in the beginning and 5.4GB in the end (delta: 4.8GB). Free memory was 414.5MB in the beginning and 4.6GB in the end (delta: -4.2GB). Peak memory consumption was 799.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2885.90ms. Allocated memory is still 5.4GB. Free memory was 4.6GB in the beginning and 4.3GB in the end (delta: 271.6MB). Peak memory consumption was 460.3MB. Max. memory is 16.1GB. * RCFGBuilder took 146403.56ms. Allocated memory was 5.4GB in the beginning and 14.1GB in the end (delta: 8.7GB). Free memory was 4.3GB in the beginning and 11.1GB in the end (delta: -6.8GB). Peak memory consumption was 5.9GB. Max. memory is 16.1GB. * CodeCheck took 50322.49ms. Allocated memory was 14.1GB in the beginning and 14.3GB in the end (delta: 172.0MB). Free memory was 11.1GB in the beginning and 11.1GB in the end (delta: -40.9MB). Peak memory consumption was 615.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:02:42,644 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:02:42,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/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_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/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_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/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_df72539c-b032-453d-a824-b51c1105c8bc/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 ba98d4a3488cd06cbfadbbd0a3214ae6b65c22e6a73ed4705251d3389591ddca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:02:45,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:02:45,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:02:45,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:02:45,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:02:45,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:02:45,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:02:45,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:02:45,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:02:45,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:02:45,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:02:45,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:02:45,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:02:45,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:02:45,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:02:45,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:02:45,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:02:45,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:02:45,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:02:45,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:02:45,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:02:45,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:02:45,134 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:45,135 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:02:45,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:02:45,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:02:45,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:02:45,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:02:45,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:02:45,137 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:02:45,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:45,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:02:45,139 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:02:45,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:02:45,139 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_df72539c-b032-453d-a824-b51c1105c8bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba98d4a3488cd06cbfadbbd0a3214ae6b65c22e6a73ed4705251d3389591ddca [2023-12-03 03:02:45,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:02:45,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:02:45,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:02:45,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:02:45,452 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:02:45,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c [2023-12-03 03:02:48,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:02:48,811 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:02:48,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c [2023-12-03 03:02:48,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/1bb19ac25/e9af5c7b9de24c6f860a4713f811e057/FLAGc522004ef [2023-12-03 03:02:48,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/data/1bb19ac25/e9af5c7b9de24c6f860a4713f811e057 [2023-12-03 03:02:48,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:02:48,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:02:48,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:02:48,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:02:48,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:02:48,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:02:48" (1/1) ... [2023-12-03 03:02:48,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1faca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:48, skipping insertion in model container [2023-12-03 03:02:48,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:02:48" (1/1) ... [2023-12-03 03:02:49,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:02:49,400 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_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c[1179,1192] [2023-12-03 03:02:50,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:02:50,319 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:02:50,331 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_df72539c-b032-453d-a824-b51c1105c8bc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.6.prop6-func-interl.c[1179,1192] [2023-12-03 03:02:51,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:02:51,026 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:02:51,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51 WrapperNode [2023-12-03 03:02:51,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:02:51,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:02:51,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:02:51,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:02:51,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:51,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:51,707 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13681 [2023-12-03 03:02:51,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:02:51,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:02:51,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:02:51,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:02:51,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:51,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:51,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:51,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:02:52,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:02:52,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:02:52,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:02:52,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:51" (1/1) ... [2023-12-03 03:02:52,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:02:52,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:02:52,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:02:52,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:02:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:02:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:02:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:02:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:02:53,937 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:02:53,940 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:04:15,654 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:04:16,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:04:16,111 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:04:16,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:16 BoogieIcfgContainer [2023-12-03 03:04:16,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:04:16,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:04:16,114 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:04:16,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:04:16,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:04:16" (1/1) ... [2023-12-03 03:04:16,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:04:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:04:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:04:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:04:16,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:16,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:16,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:16,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:04:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:19,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:19,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:04:19,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:20,076 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 03:04:20,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:04:30,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:04:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:04:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:04:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:04:31,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:04:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:04:31,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:04:31,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:04:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:39,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:04:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:42,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 11521 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 03:04:42,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:44,913 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 03:04:44,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:04:56,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:15,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:17,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:18,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:33,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:05:41,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.18s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:05:52,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:05:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 03:05:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 03:05:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:05:52,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:52,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:52,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:06:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:07,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:06:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:06:14,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:06:19,375 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 03:06:19,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:06:34,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:06:47,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:06:56,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.98s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:06,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:26,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:35,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:46,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:48,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:07:50,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:08:00,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:08:10,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:08:15,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:08:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 15 states and 32 transitions. [2023-12-03 03:08:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2023-12-03 03:08:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:08:15,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:08:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:08:15,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:08:15,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:08:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:31,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:08:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:38,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:08:38,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:08:42,286 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 03:08:42,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:08:57,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:11,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:21,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:31,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:41,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:49,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:09:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:09:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:09:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:09:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:09:49,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:09:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:09:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:09:49,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:09:49,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:10:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:03,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:10:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:09,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:10:09,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:12,850 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 03:10:12,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 03:10:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:10:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:10:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:10:13,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:10:13,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:10:13,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:10:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:26,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:10:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:32,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:10:32,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:35,629 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 03:10:35,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:10:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:10:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:10:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:10:35,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:35,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:10:35,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:10:35,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:10:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:49,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:10:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:10:54,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:10:54,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:57,896 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 03:10:58,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:10:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:10:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:10:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:10:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:10:58,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:10:58,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:58,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:10:58,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:10:58,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:11:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:11,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:11:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:17,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:11:17,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:20,441 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 03:11:20,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:11:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:11:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:11:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:11:20,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:20,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:11:20,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:11:20,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:11:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:11:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:33,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:11:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:11:39,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 22566 conjuncts, 266 conjunts are in the unsatisfiable core [2023-12-03 03:11:39,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:11:42,675 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 03:11:42,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:11:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-12-03 03:11:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-12-03 03:11:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:11:42,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:42,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:11:42,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:11:42,837 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:11:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df72539c-b032-453d-a824-b51c1105c8bc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process