./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/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_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:35:20,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:35:20,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:35:20,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:35:20,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:35:20,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:35:20,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:35:20,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:35:20,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:35:20,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:35:20,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:35:20,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:35:20,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:35:20,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:35:20,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:35:20,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:35:20,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:35:20,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:35:20,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:35:20,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:35:20,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:35:20,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:20,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:35:20,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:35:20,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:35:20,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:35:20,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:35:20,930 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_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:35:21,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:35:21,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:35:21,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:35:21,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:35:21,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:35:21,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c Unable to find full path for "g++" [2024-11-13 21:35:23,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:35:23,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:35:23,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2024-11-13 21:35:23,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/data/f050ec325/323be83d0d7b4d0f985c03ffa314c0e8/FLAGe533b6805 [2024-11-13 21:35:23,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/data/f050ec325/323be83d0d7b4d0f985c03ffa314c0e8 [2024-11-13 21:35:23,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:35:23,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:35:23,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:23,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:35:23,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:35:23,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9c3334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23, skipping insertion in model container [2024-11-13 21:35:23,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:35:23,852 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_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2024-11-13 21:35:23,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:23,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:35:23,905 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_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2024-11-13 21:35:23,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:23,926 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:35:23,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23 WrapperNode [2024-11-13 21:35:23,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:23,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:23,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:35:23,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:35:23,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,964 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-13 21:35:23,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:23,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:35:23,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:35:23,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:35:23,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:35:23,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:35:23,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:35:23,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:35:23,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:23" (1/1) ... [2024-11-13 21:35:23,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:24,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:35:24,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:35:24,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:35:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:35:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:35:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:35:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:35:24,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:35:24,146 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:35:24,313 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:35:24,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:35:24,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:35:24,378 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:35:24,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:24 BoogieIcfgContainer [2024-11-13 21:35:24,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:35:24,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:35:24,380 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:35:24,391 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:35:24,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:24" (1/1) ... [2024-11-13 21:35:24,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:35:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 21:35:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 21:35:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:35:24,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:35:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2024-11-13 21:35:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2024-11-13 21:35:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:35:24,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:24,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:25,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:35:25,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:35:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 21:35:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 21:35:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:35:25,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:25,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:25,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:35:25,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:35:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-13 21:35:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-13 21:35:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:35:25,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:35:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2024-11-13 21:35:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-13 21:35:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:35:26,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:26,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:35:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 50 transitions. [2024-11-13 21:35:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 21:35:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:35:26,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:26,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:35:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2024-11-13 21:35:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 21:35:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:35:27,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:27,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:35:27,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:35:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 58 transitions. [2024-11-13 21:35:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-13 21:35:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:35:28,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:35:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 57 transitions. [2024-11-13 21:35:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2024-11-13 21:35:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:35:29,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:29,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:35:29,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:35:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 61 transitions. [2024-11-13 21:35:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 21:35:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:35:29,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:29,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 21:35:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 62 transitions. [2024-11-13 21:35:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-13 21:35:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:35:30,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:30,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 21:35:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 54 transitions. [2024-11-13 21:35:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 21:35:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:35:30,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:30,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:30,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:35:30,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 21:35:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 61 transitions. [2024-11-13 21:35:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-13 21:35:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:35:31,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:31,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:35:31,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 21:35:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 65 transitions. [2024-11-13 21:35:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-13 21:35:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:35:32,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:32,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-13 21:35:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 66 transitions. [2024-11-13 21:35:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-13 21:35:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 21:35:32,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:32,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:35:32,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 21:35:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 73 transitions. [2024-11-13 21:35:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2024-11-13 21:35:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 21:35:34,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:34,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 21:35:34,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 21:35:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 77 transitions. [2024-11-13 21:35:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2024-11-13 21:35:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 21:35:35,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-13 21:35:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 78 transitions. [2024-11-13 21:35:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-13 21:35:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 21:35:35,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 38 proven. 30 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 21:35:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 30 states and 46 transitions. [2024-11-13 21:35:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 21:35:37,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:35:37,815 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2024-11-13 21:35:37,829 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:35:38,400 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))))) [2024-11-13 21:35:38,400 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:35:38,400 INFO L77 FloydHoareUtils]: At program point L31(line 31) 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))) [2024-11-13 21:35:38,400 INFO L77 FloydHoareUtils]: At program point L31-1(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))))) [2024-11-13 21:35:38,400 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 21:35:38,400 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|))) [2024-11-13 21:35:38,400 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 21:35:38,401 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))) [2024-11-13 21:35:38,401 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))))) [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-13 21:35:38,401 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)))) [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-13 21:35:38,401 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-13 21:35:38,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:35:38 ImpRootNode [2024-11-13 21:35:38,424 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:35:38,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:35:38,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:35:38,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:35:38,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:24" (3/4) ... [2024-11-13 21:35:38,436 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:35:38,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:35:38,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 21:35:38,444 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:35:38,444 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:35:38,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:35:38,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:35:38,540 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:35:38,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:35:38,541 INFO L158 Benchmark]: Toolchain (without parser) took 14869.40ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.6MB in the beginning and 109.6MB in the end (delta: -16.0MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-11-13 21:35:38,544 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:35:38,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.60ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:35:38,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:35:38,545 INFO L158 Benchmark]: Boogie Preprocessor took 20.32ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 812.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:35:38,546 INFO L158 Benchmark]: RCFGBuilder took 392.24ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.8MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:35:38,546 INFO L158 Benchmark]: CodeCheck took 14044.48ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 40.0MB in the end (delta: 28.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-13 21:35:38,546 INFO L158 Benchmark]: Witness Printer took 115.69ms. Allocated memory is still 142.6MB. Free memory was 40.0MB in the beginning and 109.6MB in the end (delta: -69.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:35:38,550 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 699 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 776 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 1555 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3464 IncrementalHoareTripleChecker+Invalid, 5019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1555 mSolverCounterUnsat, 420 mSDtfsCounter, 3464 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4797 GetRequests, 4550 SyntacticMatches, 115 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8964 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 713 NumberOfCodeBlocks, 713 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 695 ConstructedInterpolants, 0 QuantifiedInterpolants, 1959 SizeOfPredicates, 13 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 1772/2017 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 - 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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.60ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.32ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 812.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.24ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.8MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14044.48ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 40.0MB in the end (delta: 28.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 115.69ms. Allocated memory is still 142.6MB. Free memory was 40.0MB in the beginning and 109.6MB in the end (delta: -69.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:35:38,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a7612d1-704e-4b3b-b2af-5ebc4a516bf7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE