./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/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 05d860f4c0b8d355d8344160864c48286246164c4c6e8e3a08816fe000adfcec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:01:35,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:01:35,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:01:35,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:01:35,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:01:35,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:01:35,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:01:35,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:01:35,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:01:35,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:01:35,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:01:35,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:01:35,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:01:35,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:01:35,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:01:35,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:01:35,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:01:35,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:01:35,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:35,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:01:35,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:01:35,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:01:35,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:01:35,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:01:35,540 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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/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 -> 05d860f4c0b8d355d8344160864c48286246164c4c6e8e3a08816fe000adfcec [2024-12-06 01:01:35,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:01:35,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:01:35,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:01:35,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:01:35,754 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:01:35,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-12-06 01:01:38,371 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/data/c60cf87e5/dfe23df50a2f4a2e873464d900c0cccd/FLAG5a81b7596 [2024-12-06 01:01:38,571 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:01:38,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2024-12-06 01:01:38,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/data/c60cf87e5/dfe23df50a2f4a2e873464d900c0cccd/FLAG5a81b7596 [2024-12-06 01:01:38,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/data/c60cf87e5/dfe23df50a2f4a2e873464d900c0cccd [2024-12-06 01:01:38,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:01:38,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:01:38,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:38,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:01:38,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:01:38,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:38" (1/1) ... [2024-12-06 01:01:38,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36babebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:38, skipping insertion in model container [2024-12-06 01:01:38,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:38" (1/1) ... [2024-12-06 01:01:38,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:01:39,093 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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] [2024-12-06 01:01:39,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:39,112 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:01:39,120 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_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c[454,467] [2024-12-06 01:01:39,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:39,135 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:01:39,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39 WrapperNode [2024-12-06 01:01:39,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:39,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:39,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:01:39,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:01:39,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,157 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-06 01:01:39,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:39,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:01:39,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:01:39,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:01:39,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:01:39,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:01:39,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:01:39,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:01:39,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:01:39,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:01:39,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:01:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:01:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:01:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:01:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:01:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:01:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:01:39,268 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:01:39,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:01:39,359 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:01:39,359 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:01:39,391 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:01:39,391 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:01:39,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:39 BoogieIcfgContainer [2024-12-06 01:01:39,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:01:39,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:01:39,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:01:39,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:01:39,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:39" (1/1) ... [2024-12-06 01:01:39,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:01:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-06 01:01:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-06 01:01:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:01:39,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:39,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:01:39,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:39,616 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 01:01:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 01:01:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 01:01:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:01:39,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:39,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:39,908 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 01:01:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:01:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:01:40,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:01:40,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:01:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:40,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:01:40,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-06 01:01:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-06 01:01:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:01:40,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:40,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:01:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 12 states and 14 transitions. [2024-12-06 01:01:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:01:41,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:01:41,002 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 01:01:41,008 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:01:41,098 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:01:41,098 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-06 01:01:41,098 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 01:01:41,098 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 01:01:41,099 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 01:01:41,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:01:41 ImpRootNode [2024-12-06 01:01:41,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:01:41,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:01:41,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:01:41,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:01:41,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:39" (3/4) ... [2024-12-06 01:01:41,119 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:01:41,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 01:01:41,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:01:41,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 01:01:41,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:01:41,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:01:41,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:01:41,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:01:41,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:01:41,183 INFO L158 Benchmark]: Toolchain (without parser) took 2229.57ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 114.9MB in the end (delta: 2.9MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-12-06 01:01:41,183 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:41,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.43ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:01:41,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.08ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:41,184 INFO L158 Benchmark]: Boogie Preprocessor took 15.00ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.1MB in the end (delta: 665.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:41,184 INFO L158 Benchmark]: RCFGBuilder took 218.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.3MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:01:41,185 INFO L158 Benchmark]: CodeCheck took 1723.99ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 53.5MB in the end (delta: 39.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-12-06 01:01:41,185 INFO L158 Benchmark]: Witness Printer took 65.53ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 114.9MB in the end (delta: -61.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-12-06 01:01:41,187 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 32 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 329 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 2 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 12/17 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.43ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.08ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.00ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.1MB in the end (delta: 665.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 218.38ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.3MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1723.99ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 53.5MB in the end (delta: 39.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 65.53ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 114.9MB in the end (delta: -61.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:01:41,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bdfed6-e020-45d2-bfec-4ff16dfb4ddf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE