./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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 8b9f60e4dd0caf5f16a2126e59ab4297bde1a18d476b8c5704a0eddd1292d19c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:23:48,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:23:49,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:23:49,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:23:49,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:23:49,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:23:49,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:23:49,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:23:49,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:23:49,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:23:49,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:23:49,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:23:49,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:23:49,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:23:49,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:23:49,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:23:49,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:23:49,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:23:49,044 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:23:49,044 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:23:49,045 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:23:49,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:23:49,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:23:49,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:23:49,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:23:49,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:23:49,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:23:49,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:23:49,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:23:49,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:23:49,049 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9f60e4dd0caf5f16a2126e59ab4297bde1a18d476b8c5704a0eddd1292d19c [2023-12-03 03:23:49,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:23:49,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:23:49,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:23:49,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:23:49,308 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:23:49,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c [2023-12-03 03:23:52,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:23:52,486 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:23:52,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c [2023-12-03 03:23:52,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/6ce8b88d8/9924d906db7744d1993c67c41f67a487/FLAGbf1eefb0a [2023-12-03 03:23:52,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/6ce8b88d8/9924d906db7744d1993c67c41f67a487 [2023-12-03 03:23:52,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:23:52,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:23:52,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:23:52,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:23:52,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:23:52,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:23:52" (1/1) ... [2023-12-03 03:23:52,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351fcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:52, skipping insertion in model container [2023-12-03 03:23:52,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:23:52" (1/1) ... [2023-12-03 03:23:52,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:23:53,073 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c[1172,1185] [2023-12-03 03:23:54,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:23:54,205 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:23:54,215 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c[1172,1185] [2023-12-03 03:23:55,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:23:55,108 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:23:55,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55 WrapperNode [2023-12-03 03:23:55,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:23:55,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:23:55,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:23:55,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:23:55,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:55,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:58,334 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46155 [2023-12-03 03:23:58,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:23:58,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:23:58,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:23:58,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:23:58,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:58,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:59,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:59,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:59,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:23:59,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:24:00,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:24:00,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:24:01,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:24:01,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:24:01,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:24:01,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:24:01,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:23:55" (1/1) ... [2023-12-03 03:24:01,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:24:01,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:24:01,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:24:01,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:24:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:24:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:24:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:24:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:24:02,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:24:02,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:24:24,644 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:26:17,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:26:17,795 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:26:17,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:17 BoogieIcfgContainer [2023-12-03 03:26:17,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:26:17,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:26:17,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:26:17,805 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:26:17,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:17" (1/1) ... [2023-12-03 03:26:17,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:26:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:26:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:26:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:26:17,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:17,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:26:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,035 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 03:26:36,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:26:46,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:26:49,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 03:26:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 03:26:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:26:50,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:27:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:27:07,139 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 03:27:07,142 INFO L158 Benchmark]: Toolchain (without parser) took 194597.34ms. Allocated memory was 146.8MB in the beginning and 13.7GB in the end (delta: 13.5GB). Free memory was 95.0MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2023-12-03 03:27:07,142 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:27:07,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2563.74ms. Allocated memory was 146.8MB in the beginning and 306.2MB in the end (delta: 159.4MB). Free memory was 94.6MB in the beginning and 97.2MB in the end (delta: -2.6MB). Peak memory consumption was 214.0MB. Max. memory is 16.1GB. [2023-12-03 03:27:07,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 3224.27ms. Allocated memory was 306.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 97.2MB in the beginning and 874.8MB in the end (delta: -777.6MB). Peak memory consumption was 611.3MB. Max. memory is 16.1GB. [2023-12-03 03:27:07,144 INFO L158 Benchmark]: Boogie Preprocessor took 2686.17ms. Allocated memory was 1.7GB in the beginning and 5.0GB in the end (delta: 3.3GB). Free memory was 874.8MB in the beginning and 4.0GB in the end (delta: -3.1GB). Peak memory consumption was 391.1MB. Max. memory is 16.1GB. [2023-12-03 03:27:07,145 INFO L158 Benchmark]: RCFGBuilder took 136774.81ms. Allocated memory was 5.0GB in the beginning and 13.7GB in the end (delta: 8.7GB). Free memory was 4.0GB in the beginning and 10.6GB in the end (delta: -6.6GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. [2023-12-03 03:27:07,145 INFO L158 Benchmark]: CodeCheck took 49343.20ms. Allocated memory is still 13.7GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:27:07,148 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 0.21ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2563.74ms. Allocated memory was 146.8MB in the beginning and 306.2MB in the end (delta: 159.4MB). Free memory was 94.6MB in the beginning and 97.2MB in the end (delta: -2.6MB). Peak memory consumption was 214.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3224.27ms. Allocated memory was 306.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 97.2MB in the beginning and 874.8MB in the end (delta: -777.6MB). Peak memory consumption was 611.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2686.17ms. Allocated memory was 1.7GB in the beginning and 5.0GB in the end (delta: 3.3GB). Free memory was 874.8MB in the beginning and 4.0GB in the end (delta: -3.1GB). Peak memory consumption was 391.1MB. Max. memory is 16.1GB. * RCFGBuilder took 136774.81ms. Allocated memory was 5.0GB in the beginning and 13.7GB in the end (delta: 8.7GB). Free memory was 4.0GB in the beginning and 10.6GB in the end (delta: -6.6GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. * CodeCheck took 49343.20ms. Allocated memory is still 13.7GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:27:07,360 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:27:07,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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 8b9f60e4dd0caf5f16a2126e59ab4297bde1a18d476b8c5704a0eddd1292d19c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:27:09,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:27:09,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:27:09,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:27:09,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:27:09,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:27:09,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:27:09,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:27:09,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:27:09,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:27:09,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:27:09,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:27:09,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:27:09,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:27:09,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:27:09,948 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:27:09,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:27:09,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:27:09,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:27:09,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:27:09,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:27:09,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:27:09,952 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:09,953 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:09,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:27:09,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:09,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:27:09,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:27:09,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:27:09,955 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:27:09,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:09,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:27:09,956 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:27:09,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:27:09,957 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9f60e4dd0caf5f16a2126e59ab4297bde1a18d476b8c5704a0eddd1292d19c [2023-12-03 03:27:10,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:27:10,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:27:10,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:27:10,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:27:10,289 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:27:10,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c [2023-12-03 03:27:12,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:27:13,495 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:27:13,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c [2023-12-03 03:27:13,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/000b78e3c/c8784f6ce38d4156abe477d11a6de172/FLAG5c0c3bfd6 [2023-12-03 03:27:13,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/data/000b78e3c/c8784f6ce38d4156abe477d11a6de172 [2023-12-03 03:27:13,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:27:13,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:27:13,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:13,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:27:13,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:27:13,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6baa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:13, skipping insertion in model container [2023-12-03 03:27:13,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:27:13" (1/1) ... [2023-12-03 03:27:13,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:27:13,978 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c[1172,1185] [2023-12-03 03:27:14,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:14,830 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:27:14,843 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_b9254a70-72cb-4c04-bb7c-4e161661e4f7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.5.prop1-func-interl.c[1172,1185] [2023-12-03 03:27:15,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:27:15,503 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:27:15,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15 WrapperNode [2023-12-03 03:27:15,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:27:15,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:15,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:27:15,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:27:15,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:15,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:15,898 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11236 [2023-12-03 03:27:15,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:27:15,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:27:15,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:27:15,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:27:15,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:15,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:27:16,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:27:16,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:27:16,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:27:16,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:27:15" (1/1) ... [2023-12-03 03:27:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:27:16,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:27:16,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:27:16,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:27:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:27:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:27:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:27:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:27:17,842 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:27:17,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:28:10,897 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:28:11,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:28:11,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:28:11,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:28:11 BoogieIcfgContainer [2023-12-03 03:28:11,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:28:11,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:28:11,295 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:28:11,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:28:11,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:28:11" (1/1) ... [2023-12-03 03:28:11,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:28:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:28:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:28:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:28:11,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:11,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:11,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:11,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:28:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:13,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:14,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:28:14,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:14,638 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 03:28:14,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:28:25,547 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 03:28:28,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:28:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:28:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:28:28,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:28:28,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:28,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:28,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:28,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:28,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:28:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:35,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:38,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:28:38,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:59,323 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 03:28:59,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:29:11,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:29:22,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:29:38,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:29:45,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:29:54,616 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 800 DAG size of output: 799 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:30:41,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:31:10,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:31:12,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:31:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:31:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:31:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:31:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:14,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:14,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:14,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:14,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:31:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:21,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:24,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:31:24,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:34,630 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 03:31:34,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:31:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:31:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:31:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:31:35,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:35,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:35,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:35,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:31:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:41,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:45,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:31:45,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:55,631 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 03:31:55,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:31:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:31:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:31:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:31:56,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:56,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:56,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:56,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:56,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:32:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:02,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:05,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:32:05,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:16,226 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 03:32:16,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:32:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:32:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:32:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:32:16,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:16,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:16,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:16,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:16,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:32:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:23,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:26,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:32:26,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:37,087 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 03:32:37,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:32:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:32:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:32:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:32:37,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:37,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:37,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:37,625 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:37,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:32:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:44,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:47,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:32:47,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:57,285 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 03:32:57,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 03:32:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:32:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:32:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:32:57,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:57,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:57,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:57,775 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:57,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:33:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:04,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:07,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:33:07,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:18,170 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 03:33:18,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:33:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:33:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:33:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:33:18,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:18,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:18,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:18,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:33:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:25,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:28,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:33:28,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:38,327 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 03:33:38,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:33:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:33:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:33:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:33:38,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:38,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:38,813 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:38,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:33:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:45,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:48,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:33:48,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:59,045 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 03:33:59,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:33:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:33:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:33:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:33:59,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:59,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:59,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:59,533 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:34:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:06,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:09,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:34:09,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:19,040 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 03:34:19,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:34:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:34:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:34:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:34:19,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:19,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:19,530 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:19,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:34:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:26,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:29,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:34:29,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:39,895 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 03:34:39,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:34:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:34:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:34:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:34:40,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:40,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:40,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:40,376 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:40,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:34:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:47,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:34:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:50,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:34:50,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:01,569 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 03:35:01,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:35:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:35:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:35:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:35:02,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:02,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:02,176 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:35:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:10,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:13,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:35:13,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:23,919 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 03:35:23,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:35:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:35:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:35:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:35:24,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:24,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:24,437 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:24,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:35:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:32,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:35,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:35:35,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:45,445 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 03:35:45,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:35:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:35:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:35:45,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:35:45,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:45,972 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:45,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:35:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:53,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:56,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:35:56,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:06,112 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 03:36:06,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:36:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:36:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:36:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:36:06,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:06,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:06,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:06,595 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:06,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9254a70-72cb-4c04-bb7c-4e161661e4f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:36:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:13,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:16,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 9564 conjuncts, 497 conjunts are in the unsatisfiable core [2023-12-03 03:36:16,440 INFO L285 TraceCheckSpWp]: Computing forward predicates...