./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:42:29,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:42:29,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:42:29,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:42:29,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:42:29,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:42:29,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:42:29,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:42:29,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:42:29,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:42:29,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:42:29,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:42:29,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:42:29,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:42:29,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:42:29,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:42:29,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:29,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:42:29,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:42:29,756 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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/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 -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2024-12-05 21:42:29,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:42:29,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:42:29,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:42:29,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:42:29,974 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:42:29,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-12-05 21:42:32,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/data/4665e51db/2e3fdd17b6834840bea9667a7c1070a7/FLAGa56a3ae3f [2024-12-05 21:42:32,794 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:42:32,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-12-05 21:42:32,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/data/4665e51db/2e3fdd17b6834840bea9667a7c1070a7/FLAGa56a3ae3f [2024-12-05 21:42:33,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/data/4665e51db/2e3fdd17b6834840bea9667a7c1070a7 [2024-12-05 21:42:33,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:42:33,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:42:33,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:33,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:42:33,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:42:33,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e05019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33, skipping insertion in model container [2024-12-05 21:42:33,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:42:33,340 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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2024-12-05 21:42:33,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:33,371 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:42:33,382 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_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2024-12-05 21:42:33,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:42:33,398 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:42:33,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33 WrapperNode [2024-12-05 21:42:33,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:42:33,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:33,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:42:33,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:42:33,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,423 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-05 21:42:33,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:42:33,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:42:33,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:42:33,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:42:33,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,434 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:42:33,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:42:33,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:42:33,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:42:33,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:42:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:42:33,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:42:33,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:42:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:42:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:42:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:42:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:42:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:42:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:42:33,552 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:42:33,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:42:33,673 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:42:33,673 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:42:33,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:42:33,714 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:42:33,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:33 BoogieIcfgContainer [2024-12-05 21:42:33,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:42:33,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:42:33,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:42:33,725 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:42:33,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:33" (1/1) ... [2024-12-05 21:42:33,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:42:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 21:42:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 21:42:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:42:33,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:33,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2024-12-05 21:42:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2024-12-05 21:42:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:42:34,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:34,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:34,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:42:34,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-12-05 21:42:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-12-05 21:42:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:42:34,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:34,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:42:34,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:42:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-12-05 21:42:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-12-05 21:42:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:42:34,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 21:42:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 44 transitions. [2024-12-05 21:42:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-05 21:42:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 21:42:35,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 21:42:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 46 transitions. [2024-12-05 21:42:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-12-05 21:42:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:42:35,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 21:42:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 49 transitions. [2024-12-05 21:42:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-05 21:42:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 21:42:35,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:35,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:42:35,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 21:42:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 53 transitions. [2024-12-05 21:42:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-05 21:42:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:42:36,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:36,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 21:42:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 52 transitions. [2024-12-05 21:42:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-05 21:42:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:42:36,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:36,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:42:36,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 21:42:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 56 transitions. [2024-12-05 21:42:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-05 21:42:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:42:36,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-05 21:42:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-12-05 21:42:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-05 21:42:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 21:42:36,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:36,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 21:42:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 50 transitions. [2024-12-05 21:42:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-12-05 21:42:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 21:42:37,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:37,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 21:42:37,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 21:42:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 56 transitions. [2024-12-05 21:42:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-05 21:42:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 21:42:38,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:42:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:38,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 21:42:38,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 21:42:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 60 transitions. [2024-12-05 21:42:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-12-05 21:42:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 21:42:38,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:38,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-05 21:42:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 61 transitions. [2024-12-05 21:42:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-05 21:42:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 21:42:38,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:38,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:42:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 21:42:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 22 states and 34 transitions. [2024-12-05 21:42:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 21:42:39,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:42:39,686 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2024-12-05 21:42:39,692 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:42:40,010 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (and (= 9 |ULTIMATE.start_main_~s~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))))) [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-12-05 21:42:40,011 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-05 21:42:40,012 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-05 21:42:40,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:42:40 ImpRootNode [2024-12-05 21:42:40,030 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:42:40,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:42:40,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:42:40,031 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:42:40,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:42:33" (3/4) ... [2024-12-05 21:42:40,034 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:42:40,038 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 21:42:40,041 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 21:42:40,041 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 21:42:40,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:42:40,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:42:40,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:42:40,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:42:40,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:42:40,134 INFO L158 Benchmark]: Toolchain (without parser) took 6945.75ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 45.7MB in the end (delta: 71.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,134 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:40,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.50ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.90ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:42:40,135 INFO L158 Benchmark]: Boogie Preprocessor took 18.39ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 856.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,135 INFO L158 Benchmark]: RCFGBuilder took 271.92ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,136 INFO L158 Benchmark]: CodeCheck took 6314.28ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 49.6MB in the end (delta: 41.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,136 INFO L158 Benchmark]: Witness Printer took 101.77ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 45.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:42:40,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 385 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 1065 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2429 IncrementalHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1065 mSolverCounterUnsat, 315 mSDtfsCounter, 2429 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3260 GetRequests, 3095 SyntacticMatches, 57 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5263 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 1184 SizeOfPredicates, 9 NumberOfNonLiveVariables, 519 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 911/1030 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.50ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.90ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.39ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 856.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 271.92ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6314.28ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 49.6MB in the end (delta: 41.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 101.77ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 45.7MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:42:40,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50118511-0201-4bb4-8c2c-ab73fe7c4ea6/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