./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/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 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:31,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:31,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:26:31,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:31,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:31,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:31,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:31,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:31,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:31,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:31,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:31,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:31,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:31,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:31,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:31,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:31,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:31,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:31,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:31,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:31,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:31,273 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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/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 -> 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 [2024-12-05 21:26:31,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:31,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:31,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:31,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:31,505 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:31,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-12-05 21:26:34,162 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/data/6684e37a4/499df3f69ef04912b58dcdf9f0d76585/FLAG613259b4e [2024-12-05 21:26:34,387 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:34,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-12-05 21:26:34,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/data/6684e37a4/499df3f69ef04912b58dcdf9f0d76585/FLAG613259b4e [2024-12-05 21:26:34,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/data/6684e37a4/499df3f69ef04912b58dcdf9f0d76585 [2024-12-05 21:26:34,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:34,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:34,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:34,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:34,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:34,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef41932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34, skipping insertion in model container [2024-12-05 21:26:34,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:34,890 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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c[526,539] [2024-12-05 21:26:34,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:34,916 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:34,928 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_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c[526,539] [2024-12-05 21:26:34,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:34,948 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:34,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34 WrapperNode [2024-12-05 21:26:34,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:34,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:34,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:34,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:34,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,978 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-12-05 21:26:34,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:34,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:34,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:34,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:34,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:34,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:35,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:35,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:35,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:35,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:34" (1/1) ... [2024-12-05 21:26:35,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:35,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:35,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:35,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:26:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:26:35,118 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:35,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:35,239 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:35,240 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:35,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:35,288 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 21:26:35,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:35 BoogieIcfgContainer [2024-12-05 21:26:35,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:35,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:35,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:35,296 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:35,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:35" (1/1) ... [2024-12-05 21:26:35,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-05 21:26:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-05 21:26:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:26:35,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 35 transitions. [2024-12-05 21:26:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-12-05 21:26:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:26:35,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 38 transitions. [2024-12-05 21:26:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-12-05 21:26:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:26:35,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:35,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:35,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:26:35,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:26:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 44 transitions. [2024-12-05 21:26:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-05 21:26:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:26:36,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:36,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:26:36,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:26:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 48 transitions. [2024-12-05 21:26:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2024-12-05 21:26:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:26:36,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:36,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 21:26:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 31 states and 55 transitions. [2024-12-05 21:26:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2024-12-05 21:26:37,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:26:37,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:37,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:37,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 21:26:37,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 21:26:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 64 transitions. [2024-12-05 21:26:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-05 21:26:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:26:37,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:37,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:37,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:37,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 21:26:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 72 transitions. [2024-12-05 21:26:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2024-12-05 21:26:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 21:26:37,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 21:26:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 41 states and 79 transitions. [2024-12-05 21:26:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2024-12-05 21:26:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:26:38,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 21:26:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 42 states and 80 transitions. [2024-12-05 21:26:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-12-05 21:26:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:26:38,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:38,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:38,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:38,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 21:26:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 42 states and 79 transitions. [2024-12-05 21:26:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2024-12-05 21:26:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 21:26:38,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:39,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 21:26:39,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 21:26:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 46 states and 88 transitions. [2024-12-05 21:26:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2024-12-05 21:26:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 21:26:39,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:39,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 21:26:39,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 21:26:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 50 states and 101 transitions. [2024-12-05 21:26:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-12-05 21:26:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 21:26:40,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:40,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 21:26:40,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 20 proven. 28 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 21:26:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 51 states and 105 transitions. [2024-12-05 21:26:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2024-12-05 21:26:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 21:26:40,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:40,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:41,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:26:41,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-05 21:26:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 51 states and 104 transitions. [2024-12-05 21:26:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2024-12-05 21:26:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 21:26:41,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:41,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 21:26:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 53 states and 107 transitions. [2024-12-05 21:26:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2024-12-05 21:26:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 21:26:41,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:41,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:41,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 21:26:41,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 21:26:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 60 states and 122 transitions. [2024-12-05 21:26:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2024-12-05 21:26:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 21:26:43,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 21:26:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 52 states and 101 transitions. [2024-12-05 21:26:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2024-12-05 21:26:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 21:26:44,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 21:26:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 52 states and 100 transitions. [2024-12-05 21:26:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2024-12-05 21:26:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 21:26:45,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:45,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:45,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 21:26:45,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 42 proven. 23 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-05 21:26:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 112 transitions. [2024-12-05 21:26:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 112 transitions. [2024-12-05 21:26:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 21:26:46,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:46,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 21:26:46,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-05 21:26:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 57 states and 115 transitions. [2024-12-05 21:26:46,918 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2024-12-05 21:26:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 21:26:46,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:46,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:46,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 21:26:46,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 21:26:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 63 states and 129 transitions. [2024-12-05 21:26:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 129 transitions. [2024-12-05 21:26:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-05 21:26:48,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:48,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:48,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 21:26:48,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 30 proven. 56 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-05 21:26:49,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 46 states and 72 transitions. [2024-12-05 21:26:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2024-12-05 21:26:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-05 21:26:49,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:49,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:26:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:49,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 21:26:49,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:26:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 32 proven. 61 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-05 21:26:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 46 states and 71 transitions. [2024-12-05 21:26:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-12-05 21:26:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-05 21:26:51,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-05 21:26:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 41 states and 66 transitions. [2024-12-05 21:26:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2024-12-05 21:26:52,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:26:52,203 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2024-12-05 21:26:52,212 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L52-2(lines 44 56) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L44-1(lines 44 56) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L37(lines 34 42) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L58(line 58) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point L46(lines 44 56) the Hoare annotation is: true [2024-12-05 21:26:52,594 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 42) the Hoare annotation is: (let ((.cse3 (= 2 |ULTIMATE.start_main_~d~0#1|)) (.cse2 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse0 (= |ULTIMATE.start_main_~d~0#1| 4))) (or (let ((.cse1 (= |ULTIMATE.start_main_~B~0#1| 1))) (and (not (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1)) (not (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse2 .cse1)) (not (and (= 2 |ULTIMATE.start_main_~p~0#1|) .cse1 .cse3)))) (and (<= 1 |ULTIMATE.start_main_~r~0#1|) .cse3) (and .cse2 (<= |ULTIMATE.start_main_~A~0#1| 2) (<= 0 |ULTIMATE.start_main_~A~0#1|)) (not (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|)) (not (= |ULTIMATE.start_main_~q~0#1| 0)) (and (<= 2 |ULTIMATE.start_main_~r~0#1|) .cse0))) [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L59(line 59) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-12-05 21:26:52,595 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-05 21:26:52,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:26:52 ImpRootNode [2024-12-05 21:26:52,609 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:26:52,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:26:52,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:26:52,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:26:52,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:35" (3/4) ... [2024-12-05 21:26:52,613 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:26:52,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 21:26:52,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-05 21:26:52,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-05 21:26:52,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 21:26:52,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:26:52,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:26:52,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:26:52,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:26:52,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:26:52,677 INFO L158 Benchmark]: Toolchain (without parser) took 17922.72ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 116.6MB in the beginning and 97.3MB in the end (delta: 19.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,677 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:52,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.51ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.70ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:52,678 INFO L158 Benchmark]: Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.2MB in the end (delta: 965.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,678 INFO L158 Benchmark]: RCFGBuilder took 288.04ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 89.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,678 INFO L158 Benchmark]: CodeCheck took 17320.28ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 89.1MB in the beginning and 100.8MB in the end (delta: -11.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,679 INFO L158 Benchmark]: Witness Printer took 66.21ms. Allocated memory is still 218.1MB. Free memory was 100.8MB in the beginning and 97.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:26:52,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 941 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 1363 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 566 mSDsCounter, 2780 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7213 IncrementalHoareTripleChecker+Invalid, 9993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2780 mSolverCounterUnsat, 797 mSDtfsCounter, 7213 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9489 GetRequests, 9013 SyntacticMatches, 216 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40106 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1157 NumberOfCodeBlocks, 1157 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1133 ConstructedInterpolants, 0 QuantifiedInterpolants, 3982 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2234 ConjunctsInSsa, 323 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 3950/4230 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((!(((p == 4) && (d == 4)) && (B == 1)) && !(((d == 1) && (p == 1)) && (B == 1))) && !(((2 == p) && (B == 1)) && (2 == d))) || ((1 <= r) && (2 == d))) || (((p == 1) && (A <= 2)) && (0 <= A))) || (A != r)) || (q != 0)) || ((2 <= r) && (d == 4))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.51ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.70ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.45ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.2MB in the end (delta: 965.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 288.04ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 89.1MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 17320.28ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 89.1MB in the beginning and 100.8MB in the end (delta: -11.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 66.21ms. Allocated memory is still 218.1MB. Free memory was 100.8MB in the beginning and 97.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:26:52,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61cba7b-90a8-4ea9-94a7-01ac3bef1ea2/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 Writing output log to file Ultimate.log Result: TRUE