./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:43:45,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:43:45,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:43:45,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:43:45,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:43:45,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:43:45,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:43:45,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:43:45,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:43:45,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:43:45,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:43:45,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:43:45,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:43:45,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:45,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:43:45,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 [2024-12-05 23:43:45,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:43:45,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:43:45,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:43:45,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:43:45,593 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:43:45,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-12-05 23:43:48,167 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/d74c12952/f17260b3e659475c89f6810bd54255ec/FLAGbe4f5d83c [2024-12-05 23:43:48,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:43:48,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-12-05 23:43:48,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/d74c12952/f17260b3e659475c89f6810bd54255ec/FLAGbe4f5d83c [2024-12-05 23:43:48,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/d74c12952/f17260b3e659475c89f6810bd54255ec [2024-12-05 23:43:48,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:43:48,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:43:48,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:48,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:43:48,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:43:48,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12831ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48, skipping insertion in model container [2024-12-05 23:43:48,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:43:48,872 WARN L250 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_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-12-05 23:43:48,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:48,898 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:43:48,908 WARN L250 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_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-12-05 23:43:48,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:43:48,928 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:43:48,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48 WrapperNode [2024-12-05 23:43:48,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:43:48,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:48,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:43:48,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:43:48,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,954 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-05 23:43:48,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:43:48,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:43:48,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:43:48,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:43:48,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:43:48,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:43:48,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:43:48,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:43:48,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:48" (1/1) ... [2024-12-05 23:43:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:43:48,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:43:49,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:43:49,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:43:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:43:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:43:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:43:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:43:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:43:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:43:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:43:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:43:49,069 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:43:49,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:43:49,192 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:43:49,192 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:43:49,217 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:43:49,217 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-05 23:43:49,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:49 BoogieIcfgContainer [2024-12-05 23:43:49,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:43:49,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:43:49,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:43:49,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:43:49,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:49" (1/1) ... [2024-12-05 23:43:49,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:43:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-05 23:43:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 23:43:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:43:49,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:49,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:49,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:43:49,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 23:43:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-05 23:43:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-05 23:43:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:43:49,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:49,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:43:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:43:59,774 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:485) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:43:59,777 INFO L158 Benchmark]: Toolchain (without parser) took 11043.62ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 114.8MB in the end (delta: 3.5MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-12-05 23:43:59,777 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:59,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.43ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 106.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:43:59,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.31ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:59,778 INFO L158 Benchmark]: Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 706.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:43:59,779 INFO L158 Benchmark]: RCFGBuilder took 244.71ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 91.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:43:59,779 INFO L158 Benchmark]: CodeCheck took 10558.32ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 114.8MB in the end (delta: -23.4MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-12-05 23:43:59,781 INFO L338 ainManager$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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.43ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 106.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.31ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 706.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.71ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 91.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10558.32ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 114.8MB in the end (delta: -23.4MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:43:59,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:44:01,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:44:01,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:44:01,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:44:01,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:44:01,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:44:01,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:44:01,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:44:01,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:44:01,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:44:01,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:44:01,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:01,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:44:01,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 [2024-12-05 23:44:02,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:44:02,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:44:02,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:44:02,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:44:02,055 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:44:02,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-12-05 23:44:04,742 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/f04196857/d8e83c0a84ba44af8fc4bba94e03527e/FLAGd6c4b0b1f [2024-12-05 23:44:04,930 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:44:04,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-12-05 23:44:04,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/f04196857/d8e83c0a84ba44af8fc4bba94e03527e/FLAGd6c4b0b1f [2024-12-05 23:44:04,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/data/f04196857/d8e83c0a84ba44af8fc4bba94e03527e [2024-12-05 23:44:04,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:44:04,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:44:04,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:04,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:44:04,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:44:04,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:04" (1/1) ... [2024-12-05 23:44:04,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101eee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:04, skipping insertion in model container [2024-12-05 23:44:04,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:04" (1/1) ... [2024-12-05 23:44:04,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:44:05,108 WARN L250 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_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-12-05 23:44:05,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:05,136 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:44:05,147 WARN L250 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_cc3b9974-52d4-4524-a891-f512b30cef61/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-12-05 23:44:05,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:05,167 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:44:05,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05 WrapperNode [2024-12-05 23:44:05,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:05,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:05,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:44:05,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:44:05,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,196 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-05 23:44:05,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:05,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:44:05,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:44:05,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:44:05,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:44:05,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:44:05,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:44:05,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:44:05,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:05,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:44:05,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:44:05,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:44:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:44:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:44:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:44:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:44:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:44:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:44:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:44:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:44:05,326 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:44:05,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:05,479 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 23:44:05,480 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:05,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:44:05,512 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-05 23:44:05,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:44:05 BoogieIcfgContainer [2024-12-05 23:44:05,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:44:05,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:44:05,513 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:44:05,520 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:44:05,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:44:05" (1/1) ... [2024-12-05 23:44:05,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:44:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-05 23:44:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 23:44:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:44:05,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:05,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:05,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:05,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:05,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:44:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:05,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:10,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:44:10,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 23:44:10,404 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-12-05 23:44:10,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:44:14,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:44:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 49 transitions. [2024-12-05 23:44:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-05 23:44:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:44:14,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:14,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:14,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:14,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:14,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:44:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:14,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:15,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:44:15,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 23:44:15,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:44:20,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:44:24,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:44:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 64 transitions. [2024-12-05 23:44:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-05 23:44:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:44:25,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:25,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:25,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:25,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:25,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:44:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:25,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:25,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:44:25,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 23:44:26,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:44:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 67 transitions. [2024-12-05 23:44:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-12-05 23:44:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:44:27,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:27,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:27,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:27,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:44:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:27,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:28,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:44:28,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 23:44:28,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:44:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 69 transitions. [2024-12-05 23:44:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2024-12-05 23:44:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:44:28,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:28,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:28,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:28,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:44:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:28,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:28,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:44:28,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-05 23:44:30,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:44:41,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:44:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 73 transitions. [2024-12-05 23:44:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-12-05 23:44:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:44:42,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:42,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:42,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:42,350 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:42,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:44:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:42,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:46,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:44:46,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 23:44:49,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:45:02,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:45:12,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:45:21,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.16s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:45:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 80 transitions. [2024-12-05 23:45:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2024-12-05 23:45:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:45:26,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:26,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:26,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:26,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:45:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:26,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:26,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:45:26,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:45:27,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:45:37,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:45:47,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:00,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 43 states and 83 transitions. [2024-12-05 23:46:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2024-12-05 23:46:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:46:00,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:00,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:00,930 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:00,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:46:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:01,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:05,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:46:05,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:46:05,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:46:10,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:20,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:24,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:34,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:46:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 45 states and 89 transitions. [2024-12-05 23:46:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2024-12-05 23:46:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:46:35,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:35,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:35,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:35,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:35,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:46:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:35,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:38,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:46:38,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:46:44,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:47:04,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:14,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:22,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 47 states and 94 transitions. [2024-12-05 23:47:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-12-05 23:47:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 23:47:25,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:25,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:25,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:25,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:47:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:25,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:28,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:47:28,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 23:47:29,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:47:39,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:54,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:47:56,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:48:06,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:48:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 49 states and 99 transitions. [2024-12-05 23:48:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 99 transitions. [2024-12-05 23:48:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 23:48:07,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:07,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:48:07,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:48:07,668 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:48:07,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:48:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:08,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:48:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:12,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:48:12,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-05 23:48:41,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-05 23:48:57,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:10,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:17,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:27,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:50:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 104 transitions. [2024-12-05 23:50:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2024-12-05 23:50:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 23:50:04,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:04,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:50:04,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:50:04,342 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:50:04,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:50:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:04,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:50:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:08,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:50:08,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-05 23:50:21,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 23:50:53,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:03,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:24,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 109 transitions. [2024-12-05 23:51:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2024-12-05 23:51:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:51:28,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:28,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:28,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:28,293 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:28,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:51:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:28,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:28,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:51:28,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 23:51:30,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-05 23:51:38,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 56 states and 116 transitions. [2024-12-05 23:51:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 116 transitions. [2024-12-05 23:51:46,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:51:46,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:46,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:46,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:46,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:51:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:47,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:49,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 23:51:49,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 23:51:50,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:52:03,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:52:24,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:52:27,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:52:37,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:52:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 58 states and 121 transitions. [2024-12-05 23:52:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 121 transitions. [2024-12-05 23:52:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:52:38,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:38,863 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:38,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:52:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:39,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:52:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:39,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:52:39,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:52:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 23:52:51,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-05 23:53:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 63 states and 131 transitions. [2024-12-05 23:53:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2024-12-05 23:53:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:53:38,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:53:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:53:38,832 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:53:38,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:53:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:39,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:47,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:53:47,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:54:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 23:54:52,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-05 23:55:05,040 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 57 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:11,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.72s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:55:26,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:55:30,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:55:36,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:55:46,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:56:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 136 transitions. [2024-12-05 23:56:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 136 transitions. [2024-12-05 23:56:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:56:07,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:07,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:07,892 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:07,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:56:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:08,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:10,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 23:56:10,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 23:56:54,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-05 23:57:09,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:25,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:30,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:57:40,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:58:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:58:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 67 states and 141 transitions. [2024-12-05 23:58:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2024-12-05 23:58:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:58:18,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:58:18,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:58:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:58:18,916 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:58:18,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:58:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:19,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:58:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:58:24,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 23:58:24,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:58:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 27 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 23:58:44,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3b9974-52d4-4524-a891-f512b30cef61/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0