./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:22:59,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:22:59,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:22:59,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:22:59,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:22:59,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:22:59,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:22:59,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:22:59,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:22:59,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:22:59,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:22:59,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:22:59,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:22:59,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:22:59,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:22:59,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:22:59,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:59,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:22:59,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:22:59,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:22:59,749 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:22:59,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:22:59,749 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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 -> 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b [2024-12-05 22:22:59,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:22:59,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:22:59,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:22:59,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:22:59,985 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:22:59,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-12-05 22:23:02,873 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/8c9fd5b98/723b628cf34c41e8be3389e9762d6aaa/FLAGa4489a7a8 [2024-12-05 22:23:03,158 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:03,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-12-05 22:23:03,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/8c9fd5b98/723b628cf34c41e8be3389e9762d6aaa/FLAGa4489a7a8 [2024-12-05 22:23:03,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/8c9fd5b98/723b628cf34c41e8be3389e9762d6aaa [2024-12-05 22:23:03,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:03,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:03,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:03,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:03,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:03,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c5a098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03, skipping insertion in model container [2024-12-05 22:23:03,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:03,350 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2024-12-05 22:23:03,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:03,383 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:03,393 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2024-12-05 22:23:03,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:03,416 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:03,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03 WrapperNode [2024-12-05 22:23:03,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:03,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:03,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:03,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:03,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,446 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-05 22:23:03,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:03,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:03,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:03,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:03,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:03,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:03,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:03,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:03,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:03,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:03,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:03,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:23:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:23:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:23:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:23:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:23:03,610 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:03,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:23:03,760 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:23:03,760 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:23:03,792 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:23:03,792 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:23:03,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:03 BoogieIcfgContainer [2024-12-05 22:23:03,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:23:03,794 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:23:03,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:23:03,806 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:23:03,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:03" (1/1) ... [2024-12-05 22:23:03,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:23:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 22:23:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 22:23:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:23:03,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:03,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:04,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:23:04,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:23:04,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 22:23:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 22:23:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:23:04,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:04,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:23:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 22:23:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 22:23:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:23:05,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:05,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:23:05,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:23:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-05 22:23:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-05 22:23:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:23:05,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:05,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:05,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:23:05,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:23:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-05 22:23:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-05 22:23:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:23:05,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:05,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:23:05,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:23:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 22:23:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 22:23:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:23:06,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:06,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:06,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:23:06,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-05 22:23:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 22:23:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:23:07,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:07,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:07,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:23:07,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:23:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-05 22:23:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-05 22:23:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:23:07,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:07,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:07,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:23:07,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:23:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-05 22:23:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-05 22:23:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:23:08,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:09,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:23:09,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 22:23:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-05 22:23:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-05 22:23:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:23:09,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:09,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:09,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:23:09,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 22:23:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-05 22:23:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-05 22:23:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:23:10,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:11,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 22:23:11,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:23:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-12-05 22:23:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-12-05 22:23:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:23:12,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:12,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:12,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 22:23:12,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-05 22:23:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-05 22:23:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-05 22:23:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:23:13,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:14,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:23:14,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 34 proven. 38 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 22:23:15,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-12-05 22:23:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-05 22:23:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 22:23:15,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:15,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:23:15,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 13 proven. 49 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 22:23:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2024-12-05 22:23:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2024-12-05 22:23:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 22:23:16,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:17,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 22:23:17,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 22:23:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 67 states and 126 transitions. [2024-12-05 22:23:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2024-12-05 22:23:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 22:23:18,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:18,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 22:23:18,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-05 22:23:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2024-12-05 22:23:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2024-12-05 22:23:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 22:23:19,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:19,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:29,637 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 22:23:29,642 INFO L158 Benchmark]: Toolchain (without parser) took 26455.62ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 30.6MB in the end (delta: 62.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-12-05 22:23:29,643 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:29,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.20ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:29,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.17ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:29,644 INFO L158 Benchmark]: Boogie Preprocessor took 21.26ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 674.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:29,645 INFO L158 Benchmark]: RCFGBuilder took 322.96ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:29,645 INFO L158 Benchmark]: CodeCheck took 25847.35ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 30.6MB in the end (delta: 38.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-12-05 22:23:29,648 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.20ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.17ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.26ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.2MB in the end (delta: 674.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.96ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 25847.35ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 30.6MB in the end (delta: 38.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:23:29,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:23:32,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:23:32,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:23:32,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:23:32,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:23:32,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:23:32,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:23:32,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:23:32,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:23:32,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:23:32,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:23:32,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:23:32,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:23:32,241 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:23:32,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:32,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:23:32,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:32,243 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:23:32,243 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/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 -> 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b [2024-12-05 22:23:32,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:23:32,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:23:32,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:23:32,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:23:32,545 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:23:32,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-12-05 22:23:35,526 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/31cba912c/70fe4983723443e88dfc9ea67a38ffa9/FLAG9da63e66b [2024-12-05 22:23:35,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:35,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-12-05 22:23:35,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/31cba912c/70fe4983723443e88dfc9ea67a38ffa9/FLAG9da63e66b [2024-12-05 22:23:35,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/data/31cba912c/70fe4983723443e88dfc9ea67a38ffa9 [2024-12-05 22:23:35,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:35,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:35,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:35,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:35,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:35,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4cb437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35, skipping insertion in model container [2024-12-05 22:23:35,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:35,854 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2024-12-05 22:23:35,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:35,883 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:35,893 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_2426bf49-9c9c-44d1-8b8a-66036fd7df31/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2024-12-05 22:23:35,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:35,913 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:35,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35 WrapperNode [2024-12-05 22:23:35,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:35,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:35,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:35,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:35,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,937 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-05 22:23:35,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:35,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:35,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:35,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:35,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,950 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:35,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:35,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:35,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:35,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:35" (1/1) ... [2024-12-05 22:23:35,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:35,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:35,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:23:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:23:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:23:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:23:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:23:36,052 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:36,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:23:36,589 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:23:36,590 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:23:36,616 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:23:36,617 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:23:36,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:36 BoogieIcfgContainer [2024-12-05 22:23:36,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:23:36,618 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:23:36,618 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:23:36,625 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:23:36,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:23:36" (1/1) ... [2024-12-05 22:23:36,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:23:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:36,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 22:23:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 22:23:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:23:36,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:36,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:36,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:36,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:36,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:23:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:37,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:37,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:23:37,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:23:37,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:23:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 22:23:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 22:23:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:23:39,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:39,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:39,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:39,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:23:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:39,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:40,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:23:40,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:23:56,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:24:35,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:24:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-05 22:24:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-05 22:24:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:24:36,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:36,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:36,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:36,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:36,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:24:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:37,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:38,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:24:38,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:24:39,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:25:14,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:25:23,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:25:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-05 22:25:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-05 22:25:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:25:25,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:25,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:25,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:25,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:25:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:26,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:27,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:25:27,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:25:31,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:26:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-05 22:26:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-05 22:26:46,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:26:46,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:46,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:46,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:46,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:26:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:48,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:49,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:26:49,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:26:51,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 22:27:15,449 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:27:50,408 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:27:51,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:28:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-05 22:28:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-05 22:28:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:28:10,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:10,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:10,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:10,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:10,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:28:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:11,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:11,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:28:11,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:28:16,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-05 22:30:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-05 22:30:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-05 22:30:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:30:01,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:01,620 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:30:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:04,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:05,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:30:05,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 22:30:08,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 22:30:36,757 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:31:14,370 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:31:16,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:31:48,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:31:50,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:31:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-05 22:31:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-05 22:31:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:31:52,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:52,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:52,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:52,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:31:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:53,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:54,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:31:54,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 22:32:00,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-05 22:33:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-05 22:33:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-05 22:33:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:33:34,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:34,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:34,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:34,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:33:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:37,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:38,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 22:33:38,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 22:33:40,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 22:34:38,548 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:34:39,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:34:42,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:10,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:35:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-05 22:35:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-05 22:35:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 22:35:12,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:12,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:12,392 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:12,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:35:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:14,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:15,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:35:15,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 22:35:20,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 22:37:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-05 22:37:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-05 22:37:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:37:05,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:05,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:05,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:05,840 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:05,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:37:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:08,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:09,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:37:09,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 22:37:13,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2426bf49-9c9c-44d1-8b8a-66036fd7df31/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-05 22:37:41,444 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)