./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.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_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/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_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/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_32f491c0-8d22-4089-bbc2-1fe986be3832/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 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:26:01,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:26:01,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:26:01,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:26:01,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:26:01,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:26:01,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:26:01,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:26:01,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:26:01,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:26:01,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:26:01,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:26:01,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:26:01,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:01,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:26:01,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:26:01,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:26:01,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:26:01,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:26:01,455 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_32f491c0-8d22-4089-bbc2-1fe986be3832/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 -> 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec [2024-12-06 01:26:01,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:26:01,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:26:01,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:26:01,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:26:01,672 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:26:01,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2024-12-06 01:26:04,273 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/data/6f5afac30/c2200f9ab08a4b30837e66fac99756b2/FLAG6387459d1 [2024-12-06 01:26:04,463 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:26:04,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2024-12-06 01:26:04,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/data/6f5afac30/c2200f9ab08a4b30837e66fac99756b2/FLAG6387459d1 [2024-12-06 01:26:04,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/data/6f5afac30/c2200f9ab08a4b30837e66fac99756b2 [2024-12-06 01:26:04,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:26:04,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:26:04,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:04,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:26:04,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:26:04,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:04" (1/1) ... [2024-12-06 01:26:04,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fad740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:04, skipping insertion in model container [2024-12-06 01:26:04,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:26:04" (1/1) ... [2024-12-06 01:26:04,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:26:05,007 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_32f491c0-8d22-4089-bbc2-1fe986be3832/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2024-12-06 01:26:05,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:05,033 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:26:05,043 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_32f491c0-8d22-4089-bbc2-1fe986be3832/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2024-12-06 01:26:05,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:26:05,063 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:26:05,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05 WrapperNode [2024-12-06 01:26:05,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:26:05,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:05,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:26:05,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:26:05,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,090 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-06 01:26:05,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:26:05,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:26:05,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:26:05,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:26:05,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:26:05,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:26:05,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:26:05,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:26:05,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:26:05,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:26:05,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:26:05,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:26:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:26:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:26:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:26:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:26:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:26:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:26:05,217 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:26:05,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:26:05,324 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:26:05,324 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:26:05,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:26:05,351 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:26:05,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:05 BoogieIcfgContainer [2024-12-06 01:26:05,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:26:05,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:26:05,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:26:05,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:26:05,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:05" (1/1) ... [2024-12-06 01:26:05,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:26:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 01:26:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 01:26:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:26:05,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:05,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:05,514 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 01:26:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:26:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:26:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:26:05,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:05,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:05,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:26:05,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:05,661 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 01:26:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 01:26:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 01:26:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:26:05,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:05,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:26:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 01:26:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 01:26:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:26:06,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:26:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-06 01:26:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 01:26:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:26:06,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:06,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:26:06,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:26:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 01:26:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 01:26:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:26:07,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:07,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:26:07,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:07,205 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 01:26:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 01:26:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 01:26:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:26:07,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:26:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-06 01:26:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-06 01:26:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:26:07,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:07,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:07,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:26:07,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:26:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-06 01:26:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-06 01:26:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:26:08,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:08,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:26:08,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:26:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-12-06 01:26:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-06 01:26:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 01:26:09,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:26:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-12-06 01:26:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-12-06 01:26:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:26:10,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:10,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:10,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:26:10,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:26:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-12-06 01:26:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-12-06 01:26:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:26:11,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:11,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:26:11,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:26:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-12-06 01:26:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-12-06 01:26:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:26:13,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:26:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-12-06 01:26:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-12-06 01:26:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:26:14,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:14,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:14,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 01:26:14,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:26:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-12-06 01:26:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-12-06 01:26:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 01:26:14,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:14,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:26:14,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:26:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-12-06 01:26:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-12-06 01:26:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 01:26:17,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:26:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 87 states and 156 transitions. [2024-12-06 01:26:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2024-12-06 01:26:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:26:18,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 60 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:26:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 196 transitions. [2024-12-06 01:26:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 196 transitions. [2024-12-06 01:26:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:26:22,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:23,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:26:23,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 20 proven. 58 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:26:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 43 states and 61 transitions. [2024-12-06 01:26:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-12-06 01:26:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 01:26:24,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:24,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:26:24,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:26:24,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:26:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:26:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 45 states and 65 transitions. [2024-12-06 01:26:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-12-06 01:26:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 01:26:27,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:26:27,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:26:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:26:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:27,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:26:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:26:27,713 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 01:26:27,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:26:27 ImpRootNode [2024-12-06 01:26:27,740 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:26:27,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:26:27,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:26:27,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:26:27,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:26:05" (3/4) ... [2024-12-06 01:26:27,742 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:26:27,783 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 35. [2024-12-06 01:26:27,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:26:27,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:26:27,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:26:27,836 INFO L158 Benchmark]: Toolchain (without parser) took 22970.43ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 93.0MB in the beginning and 133.6MB in the end (delta: -40.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 01:26:27,837 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:27,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.52ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:26:27,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:27,838 INFO L158 Benchmark]: Boogie Preprocessor took 16.86ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 686.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:26:27,838 INFO L158 Benchmark]: RCFGBuilder took 242.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:26:27,838 INFO L158 Benchmark]: CodeCheck took 22388.45ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 67.6MB in the beginning and 139.9MB in the end (delta: -72.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-06 01:26:27,839 INFO L158 Benchmark]: Witness Printer took 95.12ms. Allocated memory is still 201.3MB. Free memory was 139.9MB in the beginning and 133.6MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:26:27,841 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1257 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 765 mSDsluCounter, 1286 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 814 mSDsCounter, 1722 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4975 IncrementalHoareTripleChecker+Invalid, 6697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1722 mSolverCounterUnsat, 472 mSDtfsCounter, 4975 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4674 GetRequests, 4173 SyntacticMatches, 133 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68959 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 1722 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1126 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 456/765 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [c=0, counter=0, k=7, x=0, y=0] [L28] EXPR counter++ VAL [c=0, counter=1, k=7, x=0, y=0] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=0, counter=1, k=7, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=1, counter=1, k=7, x=1, y=1] [L28] EXPR counter++ VAL [c=1, counter=2, k=7, x=1, y=1] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=1, counter=2, k=7, x=1, y=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=2, counter=2, k=7, x=33, y=2] [L28] EXPR counter++ VAL [c=2, counter=3, k=7, x=33, y=2] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=2, counter=3, k=7, x=33, y=2] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=3, counter=3, k=7, x=276, y=3] [L28] EXPR counter++ VAL [c=3, counter=4, k=7, x=276, y=3] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=3, counter=4, k=7, x=276, y=3] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=4, counter=4, k=7, x=1300, y=4] [L28] EXPR counter++ VAL [c=4, counter=5, k=7, x=1300, y=4] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=4, counter=5, k=7, x=1300, y=4] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=5, counter=5, k=7, x=4425, y=5] [L28] EXPR counter++ VAL [c=5, counter=6, k=7, x=4425, y=5] [L28] COND FALSE !(counter++<5) [L39] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=6] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L39] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=5, counter=6, k=7, x=4425, y=5] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.52ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 81.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.28ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.86ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 686.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 242.93ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 22388.45ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 67.6MB in the beginning and 139.9MB in the end (delta: -72.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 95.12ms. Allocated memory is still 201.3MB. Free memory was 139.9MB in the beginning and 133.6MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:26:27,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f491c0-8d22-4089-bbc2-1fe986be3832/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE