./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/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_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/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_e5250a54-668a-4233-829f-9b981edf5c8a/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 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:25:57,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:25:57,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:25:57,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:25:57,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:25:57,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:25:57,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:25:57,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:25:57,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:25:57,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:25:57,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:25:57,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:25:57,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:25:57,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:25:57,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:25:57,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:25:57,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:25:57,704 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:25:57,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:25:57,704 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_e5250a54-668a-4233-829f-9b981edf5c8a/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 -> 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 [2024-12-06 02:25:57,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:25:57,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:25:57,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:25:57,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:25:57,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:25:57,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2024-12-06 02:26:00,489 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/data/886a94372/9e01685c29a24e6d883f5808481a4b55/FLAGf765a74e8 [2024-12-06 02:26:00,717 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:26:00,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2024-12-06 02:26:00,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/data/886a94372/9e01685c29a24e6d883f5808481a4b55/FLAGf765a74e8 [2024-12-06 02:26:01,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/data/886a94372/9e01685c29a24e6d883f5808481a4b55 [2024-12-06 02:26:01,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:26:01,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:26:01,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:26:01,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:26:01,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:26:01,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cac4149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01, skipping insertion in model container [2024-12-06 02:26:01,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:26:01,190 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_e5250a54-668a-4233-829f-9b981edf5c8a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2024-12-06 02:26:01,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:26:01,212 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:26:01,221 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_e5250a54-668a-4233-829f-9b981edf5c8a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2024-12-06 02:26:01,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:26:01,239 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:26:01,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01 WrapperNode [2024-12-06 02:26:01,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:26:01,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:26:01,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:26:01,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:26:01,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,259 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-06 02:26:01,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:26:01,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:26:01,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:26:01,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:26:01,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:26:01,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:26:01,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:26:01,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:26:01,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:26:01,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:26:01,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:26:01,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:26:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:26:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:26:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:26:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:26:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:26:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:26:01,372 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:26:01,374 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:26:01,461 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 02:26:01,461 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:26:01,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:26:01,486 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:26:01,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:26:01 BoogieIcfgContainer [2024-12-06 02:26:01,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:26:01,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:26:01,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:26:01,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:26:01,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:26:01" (1/1) ... [2024-12-06 02:26:01,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:26:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:26:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:26:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:26:01,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:01,751 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 02:26:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2024-12-06 02:26:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2024-12-06 02:26:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:26:01,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:01,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:01,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:01,964 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 02:26:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-06 02:26:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-06 02:26:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:26:02,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:02,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:02,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:02,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:02,204 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 02:26:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-06 02:26:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-06 02:26:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:26:02,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:02,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:02,424 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 02:26:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 44 transitions. [2024-12-06 02:26:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-06 02:26:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:26:02,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:02,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:02,821 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 02:26:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 46 transitions. [2024-12-06 02:26:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-12-06 02:26:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:26:02,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:02,999 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 02:26:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 49 transitions. [2024-12-06 02:26:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 02:26:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:26:03,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:03,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:26:03,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:03,367 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 02:26:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 53 transitions. [2024-12-06 02:26:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-06 02:26:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:26:03,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:03,822 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 02:26:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-12-06 02:26:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 02:26:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:26:04,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:04,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:04,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:26:04,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 02:26:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 56 transitions. [2024-12-06 02:26:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 02:26:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:26:04,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:04,537 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 02:26:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-12-06 02:26:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 02:26:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:26:04,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:04,726 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 02:26:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 50 transitions. [2024-12-06 02:26:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-06 02:26:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:26:04,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:04,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:26:04,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:05,150 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 02:26:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 56 transitions. [2024-12-06 02:26:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 02:26:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:26:05,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:05,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:05,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:26:05,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:05,695 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 02:26:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 60 transitions. [2024-12-06 02:26:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-12-06 02:26:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:26:05,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:05,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:06,045 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 02:26:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 61 transitions. [2024-12-06 02:26:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 02:26:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 02:26:06,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:06,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:06,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 02:26:06,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:06,498 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 02:26:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 67 transitions. [2024-12-06 02:26:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 02:26:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 02:26:06,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:07,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:26:07,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:07,122 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 02:26:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 71 transitions. [2024-12-06 02:26:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 02:26:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 02:26:07,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:07,483 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 02:26:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 72 transitions. [2024-12-06 02:26:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-12-06 02:26:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 02:26:07,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 02:26:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 26 states and 42 transitions. [2024-12-06 02:26:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-12-06 02:26:09,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:26:09,096 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2024-12-06 02:26:09,104 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:26:09,482 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 02:26:09,482 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:26:09,482 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 (= 16 |ULTIMATE.start_main_~s~0#1|) (= 3 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))))) [2024-12-06 02:26:09,482 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-12-06 02:26:09,482 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 02:26:09,482 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:26:09,482 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-06 02:26:09,482 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 02:26:09,483 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 02:26:09,483 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-06 02:26:09,483 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-06 02:26:09,483 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 02:26:09,483 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 02:26:09,483 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 02:26:09,483 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-06 02:26:09,483 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-06 02:26:09,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:26:09 ImpRootNode [2024-12-06 02:26:09,496 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:26:09,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:26:09,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:26:09,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:26:09,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:26:01" (3/4) ... [2024-12-06 02:26:09,498 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:26:09,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 02:26:09,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:26:09,504 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 02:26:09,504 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:26:09,504 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:26:09,560 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:26:09,561 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:26:09,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:26:09,561 INFO L158 Benchmark]: Toolchain (without parser) took 8469.37ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.4MB in the beginning and 127.4MB in the end (delta: -33.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-12-06 02:26:09,562 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:26:09,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.85ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:26:09,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.16ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:26:09,563 INFO L158 Benchmark]: Boogie Preprocessor took 12.17ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 848.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:26:09,563 INFO L158 Benchmark]: RCFGBuilder took 214.07ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:26:09,563 INFO L158 Benchmark]: CodeCheck took 8009.46ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.7MB in the beginning and 131.9MB in the end (delta: -63.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-12-06 02:26:09,564 INFO L158 Benchmark]: Witness Printer took 64.21ms. Allocated memory is still 209.7MB. Free memory was 131.9MB in the beginning and 127.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:26:09,565 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: 7.6s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 547 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 472 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 1555 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3464 IncrementalHoareTripleChecker+Invalid, 5019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1555 mSolverCounterUnsat, 384 mSDtfsCounter, 3464 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4510 GetRequests, 4283 SyntacticMatches, 95 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8704 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 671 NumberOfCodeBlocks, 671 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 653 ConstructedInterpolants, 0 QuantifiedInterpolants, 1695 SizeOfPredicates, 11 NumberOfNonLiveVariables, 828 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 1782/1975 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 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.85ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.16ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.17ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.4MB in the end (delta: 848.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.07ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 8009.46ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 68.7MB in the beginning and 131.9MB in the end (delta: -63.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 64.21ms. Allocated memory is still 209.7MB. Free memory was 131.9MB in the beginning and 127.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:26:09,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5250a54-668a-4233-829f-9b981edf5c8a/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