./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.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_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/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_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/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_79524c49-c07b-4510-96a7-f993b6ab08b2/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 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:45:56,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:45:56,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:45:56,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:45:56,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:45:56,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:45:56,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:45:56,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:45:56,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:45:56,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:45:56,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:45:56,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:45:56,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:45:56,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:45:56,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:45:56,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:45:56,762 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_79524c49-c07b-4510-96a7-f993b6ab08b2/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 -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2024-12-06 00:45:56,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:45:57,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:45:57,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:45:57,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:45:57,005 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:45:57,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-12-06 00:45:59,680 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/data/3bccf5f3e/56b0094e68764636a0d10c7a6cff1f0a/FLAG7423a6d00 [2024-12-06 00:45:59,851 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:45:59,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-12-06 00:45:59,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/data/3bccf5f3e/56b0094e68764636a0d10c7a6cff1f0a/FLAG7423a6d00 [2024-12-06 00:46:00,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/data/3bccf5f3e/56b0094e68764636a0d10c7a6cff1f0a [2024-12-06 00:46:00,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:46:00,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:46:00,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:46:00,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:46:00,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:46:00,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588eb56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00, skipping insertion in model container [2024-12-06 00:46:00,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:46:00,379 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_79524c49-c07b-4510-96a7-f993b6ab08b2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2024-12-06 00:46:00,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:46:00,402 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:46:00,411 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_79524c49-c07b-4510-96a7-f993b6ab08b2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2024-12-06 00:46:00,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:46:00,429 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:46:00,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00 WrapperNode [2024-12-06 00:46:00,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:46:00,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:46:00,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:46:00,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:46:00,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,455 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-06 00:46:00,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:46:00,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:46:00,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:46:00,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:46:00,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:46:00,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:46:00,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:46:00,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:46:00,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:46:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:46:00,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:46:00,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:46:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:46:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:46:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:46:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:46:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:46:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:46:00,567 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:46:00,569 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:46:00,656 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:46:00,657 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:46:00,689 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:46:00,689 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:46:00,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:46:00 BoogieIcfgContainer [2024-12-06 00:46:00,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:46:00,690 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:46:00,690 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:46:00,698 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:46:00,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:46:00" (1/1) ... [2024-12-06 00:46:00,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:46:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 00:46:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 00:46:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:46:00,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:00,974 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 00:46:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2024-12-06 00:46:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2024-12-06 00:46:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:46:01,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:01,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:01,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:46:01,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 00:46:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 00:46:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:46:01,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:01,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:01,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:46:01,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:01,443 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 00:46:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-06 00:46:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-06 00:46:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:46:01,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:46:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 44 transitions. [2024-12-06 00:46:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-06 00:46:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:46:01,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:46:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 46 transitions. [2024-12-06 00:46:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-12-06 00:46:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:46:02,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:02,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:46:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 49 transitions. [2024-12-06 00:46:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 00:46:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:46:02,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:02,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:02,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:46:02,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:46:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 53 transitions. [2024-12-06 00:46:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 00:46:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:46:02,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:46:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-12-06 00:46:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 00:46:03,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:46:03,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:03,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:03,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 00:46:03,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 00:46:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 56 transitions. [2024-12-06 00:46:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 00:46:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 00:46:03,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:03,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 00:46:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-12-06 00:46:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 00:46:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:46:03,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:46:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 50 transitions. [2024-12-06 00:46:04,234 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-06 00:46:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 00:46:04,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:04,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:46:04,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 00:46:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 56 transitions. [2024-12-06 00:46:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 00:46:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 00:46:04,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:04,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:46:04,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 00:46:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 60 transitions. [2024-12-06 00:46:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-12-06 00:46:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 00:46:05,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 00:46:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 61 transitions. [2024-12-06 00:46:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 00:46:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 00:46:05,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:05,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:46:05,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 19 proven. 46 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 00:46:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 67 transitions. [2024-12-06 00:46:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 00:46:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 00:46:06,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:06,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:06,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:46:06,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-06 00:46:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 71 transitions. [2024-12-06 00:46:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 00:46:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 00:46:06,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-06 00:46:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 72 transitions. [2024-12-06 00:46:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-12-06 00:46:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 00:46:06,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:06,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:06,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:46:06,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 00:46:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 78 transitions. [2024-12-06 00:46:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2024-12-06 00:46:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 00:46:08,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:08,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:08,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 00:46:08,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 27 proven. 76 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 00:46:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 82 transitions. [2024-12-06 00:46:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-06 00:46:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 00:46:08,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-06 00:46:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 83 transitions. [2024-12-06 00:46:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-12-06 00:46:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 00:46:08,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:08,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:08,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 00:46:08,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 31 proven. 96 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-06 00:46:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 89 transitions. [2024-12-06 00:46:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-12-06 00:46:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 00:46:10,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:10,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 00:46:10,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 33 proven. 104 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-06 00:46:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 93 transitions. [2024-12-06 00:46:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2024-12-06 00:46:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-06 00:46:10,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-12-06 00:46:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 50 states and 94 transitions. [2024-12-06 00:46:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2024-12-06 00:46:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 00:46:10,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:10,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 00:46:10,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 38 proven. 72 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-06 00:46:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 100 transitions. [2024-12-06 00:46:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2024-12-06 00:46:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 00:46:12,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:12,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:12,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 00:46:12,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 39 proven. 136 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-06 00:46:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 104 transitions. [2024-12-06 00:46:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2024-12-06 00:46:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 00:46:12,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-12-06 00:46:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 105 transitions. [2024-12-06 00:46:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2024-12-06 00:46:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-06 00:46:13,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:13,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:13,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 00:46:13,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 44 proven. 98 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-06 00:46:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 58 states and 111 transitions. [2024-12-06 00:46:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2024-12-06 00:46:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 00:46:15,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:46:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:15,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 00:46:15,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 45 proven. 172 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-06 00:46:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 115 transitions. [2024-12-06 00:46:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-12-06 00:46:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-06 00:46:15,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2024-12-06 00:46:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 60 states and 116 transitions. [2024-12-06 00:46:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2024-12-06 00:46:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-06 00:46:15,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:46:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 66 proven. 112 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-06 00:46:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 42 states and 74 transitions. [2024-12-06 00:46:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2024-12-06 00:46:19,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:46:19,304 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2024-12-06 00:46:19,311 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (and (= 9 |ULTIMATE.start_main_~s~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~s~0#1| 36) (= 5 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~s~0#1| 25) (= |ULTIMATE.start_main_~a~0#1| 4))) (not (and (= 16 |ULTIMATE.start_main_~s~0#1|) (= 3 |ULTIMATE.start_main_~a~0#1|))) (not (and (= 7 |ULTIMATE.start_main_~a~0#1|) (= 64 |ULTIMATE.start_main_~s~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))) (not (and (= 49 |ULTIMATE.start_main_~s~0#1|) (= 6 |ULTIMATE.start_main_~a~0#1|))))) [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-12-06 00:46:19,893 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-06 00:46:19,894 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-06 00:46:19,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:46:19 ImpRootNode [2024-12-06 00:46:19,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:46:19,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:46:19,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:46:19,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:46:19,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:46:00" (3/4) ... [2024-12-06 00:46:19,913 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:46:19,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 00:46:19,919 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 00:46:19,919 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 00:46:19,919 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 00:46:19,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:46:19,982 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:46:19,982 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:46:19,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:46:19,983 INFO L158 Benchmark]: Toolchain (without parser) took 19747.75ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.8MB in the beginning and 137.8MB in the end (delta: -44.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 00:46:19,983 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:46:19,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.86ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:46:19,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.03ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:46:19,983 INFO L158 Benchmark]: Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.8MB in the end (delta: 593.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:46:19,984 INFO L158 Benchmark]: RCFGBuilder took 217.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:46:19,984 INFO L158 Benchmark]: CodeCheck took 19219.73ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.9MB in the beginning and 141.8MB in the end (delta: -73.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-06 00:46:19,984 INFO L158 Benchmark]: Witness Printer took 71.29ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 137.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:46:19,985 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 967 SdHoareTripleChecker+Valid, 18.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 820 SdHoareTripleChecker+Invalid, 15.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 4735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9724 IncrementalHoareTripleChecker+Invalid, 14459 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4735 mSolverCounterUnsat, 660 mSDtfsCounter, 9724 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11856 GetRequests, 11261 SyntacticMatches, 367 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37452 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1975 NumberOfCodeBlocks, 1975 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1945 ConstructedInterpolants, 0 QuantifiedInterpolants, 5113 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2744 ConjunctsInSsa, 491 ConjunctsInUnsatCore, 30 InterpolantComputations, 3 PerfectInterpolantSequences, 11197/12305 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: 14]: 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: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.86ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.03ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.8MB in the end (delta: 593.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 217.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 19219.73ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.9MB in the beginning and 141.8MB in the end (delta: -73.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 71.29ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 137.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:46:19,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79524c49-c07b-4510-96a7-f993b6ab08b2/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