./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:19:40,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:19:40,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:19:40,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:19:40,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:19:40,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:19:40,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:19:40,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:19:40,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:19:40,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:19:40,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:19:40,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:19:40,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:19:40,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:19:40,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:19:40,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:19:40,395 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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 -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2024-12-06 00:19:40,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:19:40,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:19:40,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:19:40,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:19:40,667 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:19:40,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-12-06 00:19:43,444 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/471ecf892/d3538ca53d294051a309a60207d20dbf/FLAG5ab599540 [2024-12-06 00:19:43,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:19:43,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-12-06 00:19:43,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/471ecf892/d3538ca53d294051a309a60207d20dbf/FLAG5ab599540 [2024-12-06 00:19:43,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/471ecf892/d3538ca53d294051a309a60207d20dbf [2024-12-06 00:19:43,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:19:43,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:19:43,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:43,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:19:43,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:19:44,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:43" (1/1) ... [2024-12-06 00:19:44,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6edc6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44, skipping insertion in model container [2024-12-06 00:19:44,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:43" (1/1) ... [2024-12-06 00:19:44,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:19:44,159 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2024-12-06 00:19:44,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:44,193 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:19:44,205 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2024-12-06 00:19:44,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:44,229 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:19:44,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44 WrapperNode [2024-12-06 00:19:44,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:44,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:44,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:19:44,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:19:44,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,257 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-06 00:19:44,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:44,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:19:44,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:19:44,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:19:44,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:19:44,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:19:44,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:19:44,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:19:44,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:19:44,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:19:44,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:19:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:19:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:19:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:19:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:19:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:19:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:19:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:19:44,391 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:19:44,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:19:44,504 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:19:44,504 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:19:44,540 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:19:44,540 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:19:44,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:44 BoogieIcfgContainer [2024-12-06 00:19:44,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:19:44,541 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:19:44,541 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:19:44,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:19:44,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:44" (1/1) ... [2024-12-06 00:19:44,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:19:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:19:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:19:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:19:44,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:19:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:19:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:19:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:19:44,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:44,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:19:44,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:19:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 00:19:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 00:19:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:19:45,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:19:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 00:19:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 00:19:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:19:45,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:45,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:19:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 00:19:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 00:19:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:19:45,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:46,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:19:46,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:19:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 00:19:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 00:19:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:19:46,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:46,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:19:46,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:19:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 00:19:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 00:19:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:19:46,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:19:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 00:19:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 00:19:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:19:47,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:47,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:47,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:19:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-06 00:19:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 00:19:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:19:47,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:47,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:47,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:19:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-12-06 00:19:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-06 00:19:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:19:49,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:19:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-12-06 00:19:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-12-06 00:19:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:19:50,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:50,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:19:50,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:19:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-12-06 00:19:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-12-06 00:19:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:19:50,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:50,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:50,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 00:19:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-12-06 00:19:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-12-06 00:19:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:19:52,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:52,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 00:19:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-12-06 00:19:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-12-06 00:19:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 00:19:53,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:53,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:19:53,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:54,086 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:19:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-12-06 00:19:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-12-06 00:19:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:19:54,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:54,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:54,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 00:19:54,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:19:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-12-06 00:19:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-12-06 00:19:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 00:19:56,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:56,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 00:19:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-12-06 00:19:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-12-06 00:19:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 00:19:58,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:58,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:58,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:19:58,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:19:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-12-06 00:19:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-12-06 00:19:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 00:19:59,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:59,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:19:59,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 00:20:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-12-06 00:20:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-12-06 00:20:02,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 00:20:02,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 00:20:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-12-06 00:20:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-12-06 00:20:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 00:20:04,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:20:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:20:14,078 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) [2024-12-06 00:20:14,082 INFO L158 Benchmark]: Toolchain (without parser) took 30086.73ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.4MB in the beginning and 48.6MB in the end (delta: 43.7MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-12-06 00:20:14,082 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:14,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.65ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:20:14,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.66ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:20:14,084 INFO L158 Benchmark]: Boogie Preprocessor took 18.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 760.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:20:14,084 INFO L158 Benchmark]: RCFGBuilder took 262.78ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 67.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:20:14,084 INFO L158 Benchmark]: CodeCheck took 29539.94ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.9MB in the beginning and 48.6MB in the end (delta: 18.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-12-06 00:20:14,087 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.65ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.66ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 760.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.78ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 67.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 29539.94ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.9MB in the beginning and 48.6MB in the end (delta: 18.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:20:14,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:20:15,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:20:16,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:20:16,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:20:16,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:20:16,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:20:16,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:20:16,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:20:16,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:20:16,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:20:16,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:20:16,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:20:16,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:20:16,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:20:16,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:16,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:16,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:20:16,118 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/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 -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2024-12-06 00:20:16,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:20:16,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:20:16,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:20:16,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:20:16,364 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:20:16,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-12-06 00:20:19,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/6fc1bc160/25e9bec21e58458ea3649b3460e7154b/FLAG2a1c528af [2024-12-06 00:20:19,279 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:20:19,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-12-06 00:20:19,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/6fc1bc160/25e9bec21e58458ea3649b3460e7154b/FLAG2a1c528af [2024-12-06 00:20:19,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/data/6fc1bc160/25e9bec21e58458ea3649b3460e7154b [2024-12-06 00:20:19,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:20:19,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:20:19,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:19,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:20:19,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:20:19,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc50d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19, skipping insertion in model container [2024-12-06 00:20:19,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:20:19,467 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2024-12-06 00:20:19,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:19,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:20:19,508 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_5c15c963-03eb-4850-bb34-24c3d1bfc58f/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2024-12-06 00:20:19,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:20:19,529 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:20:19,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19 WrapperNode [2024-12-06 00:20:19,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:20:19,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:19,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:20:19,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:20:19,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,558 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 00:20:19,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:20:19,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:20:19,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:20:19,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:20:19,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:20:19,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:20:19,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:20:19,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:20:19,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:20:19" (1/1) ... [2024-12-06 00:20:19,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:20:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:20:19,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:20:19,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:20:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:20:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:20:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:20:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:20:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:20:19,687 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:20:19,688 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:20:20,053 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:20:20,053 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:20:20,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:20:20,095 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:20:20,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:20 BoogieIcfgContainer [2024-12-06 00:20:20,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:20:20,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:20:20,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:20:20,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:20:20,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:20:20" (1/1) ... [2024-12-06 00:20:20,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:20:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 00:20:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 00:20:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:20:20,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:20,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:20,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:20,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:20:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:20,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:20,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:20:20,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:20,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:20:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:20:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:20:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:20:20,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:20,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:20,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:20:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:20,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:20,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:20:20,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:21,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:20:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 00:20:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 00:20:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:20:23,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:23,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:23,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:23,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:20:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:23,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:23,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:20:23,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:23,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:20:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-06 00:20:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-06 00:20:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:20:24,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:24,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:24,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:24,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:20:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:24,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:25,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:20:25,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:48,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:21:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-12-06 00:21:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-12-06 00:21:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:21:22,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:22,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:22,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:22,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:22,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:21:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:23,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:24,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:21:24,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:25,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:22:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-06 00:22:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-06 00:22:17,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:22:17,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:17,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:17,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:17,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:22:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:18,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:18,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:22:18,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:22:21,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:23:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-06 00:23:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 00:23:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:23:22,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:22,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:22,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:22,469 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:22,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:23:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:23,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:23,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:23:23,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:23:28,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 00:24:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-12-06 00:24:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-06 00:24:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:24:18,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:18,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:18,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:18,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:24:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:19,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:20,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:24:20,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:24:22,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:24:53,173 WARN L286 SmtUtils]: Spent 5.26s 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) [2024-12-06 00:25:31,492 WARN L286 SmtUtils]: Spent 5.63s 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) [2024-12-06 00:25:33,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:25:50,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:26:05,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:26:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-12-06 00:26:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-12-06 00:26:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:26:07,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:07,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:07,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:07,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:26:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:08,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:08,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:26:08,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:26:13,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 00:28:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-12-06 00:28:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-12-06 00:28:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:28:51,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:51,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:51,085 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:51,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:28:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:52,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:28:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:53,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:28:53,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:28:59,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-12-06 00:30:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-12-06 00:30:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:30:28,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:28,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:28,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:28,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:30:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:30,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:31,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:30:31,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:30:34,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 00:31:58,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:32:23,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:32:25,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:32:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 65 states and 158 transitions. [2024-12-06 00:32:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2024-12-06 00:32:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 00:32:42,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:42,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:42,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:42,772 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:42,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:32:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:44,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:44,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:32:44,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:32:54,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c15c963-03eb-4850-bb34-24c3d1bfc58f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0