./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:16:52,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:16:52,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:16:52,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:16:52,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:16:52,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:16:52,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:16:52,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:16:52,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:16:52,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:16:52,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:16:52,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:16:52,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:16:52,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:52,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:16:52,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:16:52,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:16:52,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:16:52,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:16:52,115 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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/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 -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2024-12-06 04:16:52,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:16:52,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:16:52,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:16:52,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:16:52,361 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:16:52,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-12-06 04:16:54,974 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/data/f3977f4f3/79f1504f041c4a3f902a2e1db6ee4445/FLAG7ebcc5a5c [2024-12-06 04:16:55,172 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:16:55,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-12-06 04:16:55,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/data/f3977f4f3/79f1504f041c4a3f902a2e1db6ee4445/FLAG7ebcc5a5c [2024-12-06 04:16:55,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/data/f3977f4f3/79f1504f041c4a3f902a2e1db6ee4445 [2024-12-06 04:16:55,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:16:55,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:16:55,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:55,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:16:55,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:16:55,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd1cb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55, skipping insertion in model container [2024-12-06 04:16:55,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:16:55,315 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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2024-12-06 04:16:55,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:55,340 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:16:55,348 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_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c[597,610] [2024-12-06 04:16:55,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:16:55,365 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:16:55,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55 WrapperNode [2024-12-06 04:16:55,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:16:55,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:55,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:16:55,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:16:55,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,388 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-12-06 04:16:55,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:16:55,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:16:55,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:16:55,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:16:55,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:16:55,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:16:55,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:16:55,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:16:55,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:16:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:16:55,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:16:55,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:16:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:16:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:16:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:16:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:16:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:16:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:16:55,495 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:16:55,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:16:55,603 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 04:16:55,603 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:16:55,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:16:55,641 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:16:55,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:55 BoogieIcfgContainer [2024-12-06 04:16:55,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:16:55,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:16:55,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:16:55,651 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:16:55,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:55" (1/1) ... [2024-12-06 04:16:55,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:16:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 04:16:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 04:16:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:16:55,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:55,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:16:55,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:55,980 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 04:16:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-12-06 04:16:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-12-06 04:16:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:16:56,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:56,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:56,217 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 04:16:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 04:16:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 04:16:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:16:56,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:56,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:16:56,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-12-06 04:16:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-12-06 04:16:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:16:56,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:56,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 04:16:56,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-12-06 04:16:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 04:16:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:16:57,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:16:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:16:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 04:16:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 04:16:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:16:59,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:16:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:16:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:16:59,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:16:59,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:16:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-12-06 04:17:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-12-06 04:17:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:17:00,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:00,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:17:00,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2024-12-06 04:17:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2024-12-06 04:17:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:17:01,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:01,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 04:17:01,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:17:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2024-12-06 04:17:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-12-06 04:17:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:17:03,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:03,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:17:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 95 transitions. [2024-12-06 04:17:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 95 transitions. [2024-12-06 04:17:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:17:05,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:05,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:17:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 97 transitions. [2024-12-06 04:17:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 97 transitions. [2024-12-06 04:17:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:17:06,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:06,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 04:17:06,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:17:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 110 transitions. [2024-12-06 04:17:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 110 transitions. [2024-12-06 04:17:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:17:09,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:09,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:17:09,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:17:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 105 transitions. [2024-12-06 04:17:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 105 transitions. [2024-12-06 04:17:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:17:11,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:11,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:17:11,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:17:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 117 transitions. [2024-12-06 04:17:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 117 transitions. [2024-12-06 04:17:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:17:14,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:17:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 57 states and 131 transitions. [2024-12-06 04:17:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-12-06 04:17:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:17:17,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 04:17:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 58 states and 133 transitions. [2024-12-06 04:17:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 133 transitions. [2024-12-06 04:17:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:17:18,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:18,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 04:17:18,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 04:17:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 62 states and 146 transitions. [2024-12-06 04:17:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 146 transitions. [2024-12-06 04:17:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:17:22,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:22,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 04:17:22,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 04:17:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 62 states and 139 transitions. [2024-12-06 04:17:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2024-12-06 04:17:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:17:25,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:25,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:25,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:17:25,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:17:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 65 states and 153 transitions. [2024-12-06 04:17:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 153 transitions. [2024-12-06 04:17:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:17:30,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:30,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:17:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 69 states and 165 transitions. [2024-12-06 04:17:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 165 transitions. [2024-12-06 04:17:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:17:35,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:35,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:17:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 70 states and 167 transitions. [2024-12-06 04:17:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 167 transitions. [2024-12-06 04:17:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:17:36,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:36,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 04:17:36,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 04:17:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 74 states and 180 transitions. [2024-12-06 04:17:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 180 transitions. [2024-12-06 04:17:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:17:43,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:43,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:44,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 04:17:44,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 04:17:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 74 states and 171 transitions. [2024-12-06 04:17:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 171 transitions. [2024-12-06 04:17:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:17:49,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:17:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 04:18:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 94 states and 230 transitions. [2024-12-06 04:18:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 230 transitions. [2024-12-06 04:18:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:18:07,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:18:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:18:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 04:18:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:18:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 49 states and 76 transitions. [2024-12-06 04:18:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2024-12-06 04:18:12,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:18:12,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:18:12,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:18:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:18:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:18:12,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:18:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:18:12,643 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-12-06 04:18:12,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:18:12 ImpRootNode [2024-12-06 04:18:12,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:18:12,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:18:12,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:18:12,677 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:18:12,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:16:55" (3/4) ... [2024-12-06 04:18:12,678 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:18:12,724 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 34. [2024-12-06 04:18:12,778 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:18:12,778 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:18:12,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:18:12,779 INFO L158 Benchmark]: Toolchain (without parser) took 77584.69ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 118.1MB in the beginning and 140.7MB in the end (delta: -22.5MB). Peak memory consumption was 157.8MB. Max. memory is 16.1GB. [2024-12-06 04:18:12,780 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:18:12,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:18:12,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:18:12,781 INFO L158 Benchmark]: Boogie Preprocessor took 15.30ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 753.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:18:12,781 INFO L158 Benchmark]: RCFGBuilder took 237.04ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:18:12,781 INFO L158 Benchmark]: CodeCheck took 77034.24ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 91.8MB in the beginning and 144.4MB in the end (delta: -52.7MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. [2024-12-06 04:18:12,782 INFO L158 Benchmark]: Witness Printer took 101.63ms. Allocated memory is still 327.2MB. Free memory was 144.4MB in the beginning and 140.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:18:12,783 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: 77.0s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1152 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 472 mSDsluCounter, 945 SdHoareTripleChecker+Invalid, 15.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 458 mSDsCounter, 2445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7503 IncrementalHoareTripleChecker+Invalid, 9948 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2445 mSolverCounterUnsat, 487 mSDtfsCounter, 7503 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8114 GetRequests, 7464 SyntacticMatches, 278 SemanticMatches, 372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68822 ImplicationChecksByTransitivity, 63.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 12787 SizeOfPredicates, 55 NumberOfNonLiveVariables, 1500 ConjunctsInSsa, 384 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 562/954 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] int counter = 0; [L23] int X, Y; [L24] long long x, y, v, xy, yx; [L25] X = __VERIFIER_nondet_int() [L26] Y = __VERIFIER_nondet_int() [L27] v = ((long long) 2 * Y) - X [L28] y = 0 [L29] x = 0 VAL [X=5, Y=2, counter=0, v=-1, x=0, y=0] [L31] EXPR counter++ VAL [X=5, Y=2, counter=1, v=-1, x=0, y=0] [L31] COND TRUE counter++<5 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=5, Y=2, counter=1, v=-1, x=0, xy=0, y=0, yx=0] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=5, Y=2, counter=1, v=-1, x=0, xy=0, y=0, yx=0] [L35] COND FALSE !(!(x <= X)) [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y [L45] x++ VAL [X=5, Y=2, counter=1, v=3, x=1, xy=0, y=0, yx=0] [L31] EXPR counter++ VAL [X=5, Y=2, counter=2, v=3, x=1, xy=0, y=0, yx=0] [L31] COND TRUE counter++<5 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=5, Y=2, counter=2, v=3, x=1, xy=0, y=0, yx=2] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=2] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=5, Y=2, counter=2, v=3, x=1, xy=0, y=0, yx=2] [L35] COND FALSE !(!(x <= X)) [L39] COND FALSE !(v < 0) [L42] v = v + 2 * ((long long) Y - X) [L43] y++ [L45] x++ VAL [X=5, Y=2, counter=2, v=-3, x=2, xy=0, y=1, yx=2] [L31] EXPR counter++ VAL [X=5, Y=2, counter=3, v=-3, x=2, xy=0, y=1, yx=2] [L31] COND TRUE counter++<5 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=5, Y=2, counter=3, v=-3, x=2, xy=5, y=1, yx=4] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=3] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=5, Y=2, counter=3, v=-3, x=2, xy=5, y=1, yx=4] [L35] COND FALSE !(!(x <= X)) [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y [L45] x++ VAL [X=5, Y=2, counter=3, v=1, x=3, xy=5, y=1, yx=4] [L31] EXPR counter++ VAL [X=5, Y=2, counter=4, v=1, x=3, xy=5, y=1, yx=4] [L31] COND TRUE counter++<5 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=5, Y=2, counter=4, v=1, x=3, xy=5, y=1, yx=6] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=4] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=5, Y=2, counter=4, v=1, x=3, xy=5, y=1, yx=6] [L35] COND FALSE !(!(x <= X)) [L39] COND FALSE !(v < 0) [L42] v = v + 2 * ((long long) Y - X) [L43] y++ [L45] x++ VAL [X=5, Y=2, counter=4, v=-5, x=4, xy=5, y=2, yx=6] [L31] EXPR counter++ VAL [X=5, Y=2, counter=5, v=-5, x=4, xy=5, y=2, yx=6] [L31] COND TRUE counter++<5 [L32] yx = (long long) Y*x [L33] xy = (long long) X*y VAL [X=5, Y=2, counter=5, v=-5, x=4, xy=10, y=2, yx=8] [L34] CALL __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [\old(cond)=1, counter=5] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L34] RET __VERIFIER_assert( 2*yx - 2*xy - X + (long long) 2*Y - v == 0) VAL [X=5, Y=2, counter=5, v=-5, x=4, xy=10, y=2, yx=8] [L35] COND FALSE !(!(x <= X)) [L39] COND TRUE v < 0 [L40] v = v + (long long) 2 * Y [L45] x++ VAL [X=5, Y=2, counter=5, v=-1, x=5, xy=10, y=2, yx=8] [L31] EXPR counter++ VAL [X=5, Y=2, counter=6, v=-1, x=5, xy=10, y=2, yx=8] [L31] COND FALSE !(counter++<5) [L47] xy = (long long) x*y [L48] yx = (long long) Y*x VAL [X=5, Y=2, counter=6, v=-1, xy=10, y=2, yx=10] [L49] CALL __VERIFIER_assert(2*yx - 2*xy - X + (long long) 2*Y - v + 2*y == 0) VAL [\old(cond)=0, counter=6] [L14] COND TRUE !(cond) VAL [\old(cond)=0, counter=6] [L16] reach_error() VAL [\old(cond)=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.30ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 753.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.04ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 91.8MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 77034.24ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 91.8MB in the beginning and 144.4MB in the end (delta: -52.7MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. * Witness Printer took 101.63ms. Allocated memory is still 327.2MB. Free memory was 144.4MB in the beginning and 140.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:18:12,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81c32f94-dc0f-4a48-b37c-9eb5dab90a73/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