./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak --witnessprinter.witness.filename witness.graphml --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 de740cb7316ae9c63e2c3ee48446f6a3df9739b5 ................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:47:25,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:47:25,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:47:25,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:47:25,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:47:25,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:47:25,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:47:25,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:47:25,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:47:25,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:47:25,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:47:25,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:47:25,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:47:25,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:47:25,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:47:25,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:47:25,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:47:25,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:47:25,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:47:25,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:47:25,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:47:25,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:47:25,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:47:25,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:47:25,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:47:25,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:47:25,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:47:25,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:47:25,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:47:25,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:47:25,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:47:25,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:47:25,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:47:25,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:47:25,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:47:25,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:47:25,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:47:25,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:47:25,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:47:25,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:47:25,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:47:25,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:47:25,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:47:25,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:47:25,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:47:25,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:47:25,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:47:25,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:47:25,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:47:25,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:47:25,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:47:25,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:47:25,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:47:25,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:47:25,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:47:25,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:47:25,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:47:25,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:47:25,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:47:25,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:47:25,376 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:47:25,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:47:25,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:47:25,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:47:25,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:47:25,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:47:25,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:47:25,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:47:25,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:47:25,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:47:25,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:47:25,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de740cb7316ae9c63e2c3ee48446f6a3df9739b5 [2020-12-01 17:47:25,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:47:25,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:47:25,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:47:25,890 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:47:25,891 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:47:25,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c [2020-12-01 17:47:25,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/data/3e7f3e9b3/1a1744d945d149bf97850c835fdc71fe/FLAG1c15bedc7 [2020-12-01 17:47:26,790 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:47:26,791 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c [2020-12-01 17:47:26,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/data/3e7f3e9b3/1a1744d945d149bf97850c835fdc71fe/FLAG1c15bedc7 [2020-12-01 17:47:27,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/data/3e7f3e9b3/1a1744d945d149bf97850c835fdc71fe [2020-12-01 17:47:27,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:47:27,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:47:27,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:47:27,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:47:27,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:47:27,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d94c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27, skipping insertion in model container [2020-12-01 17:47:27,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:47:27,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:47:27,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:47:27,460 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:47:27,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:47:27,515 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:47:27,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27 WrapperNode [2020-12-01 17:47:27,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:47:27,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:47:27,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:47:27,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:47:27,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:47:27,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:47:27,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:47:27,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:47:27,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... [2020-12-01 17:47:27,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:47:27,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:47:27,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:47:27,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:47:27,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:47:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:47:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:47:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:47:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:47:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:47:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:47:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:47:28,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:47:28,258 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:47:28,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:28 BoogieIcfgContainer [2020-12-01 17:47:28,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:47:28,278 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:47:28,278 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:47:28,297 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:47:28,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:28" (1/1) ... [2020-12-01 17:47:28,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:47:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2020-12-01 17:47:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2020-12-01 17:47:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:47:28,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:28,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 17:47:28,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:47:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:47:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 34 transitions. [2020-12-01 17:47:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-12-01 17:47:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:47:29,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:29,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:47:29,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:47:29,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:47:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:47:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 45 transitions. [2020-12-01 17:47:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2020-12-01 17:47:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:47:30,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:30,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 17:47:30,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:47:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:47:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 20 states and 23 transitions. [2020-12-01 17:47:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-01 17:47:31,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:47:31,801 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2020-12-01 17:47:31,809 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:47:31,981 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:47:31,987 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:47:31,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:47:31 ImpRootNode [2020-12-01 17:47:31,988 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:47:31,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:47:31,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:47:31,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:47:31,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:28" (3/4) ... [2020-12-01 17:47:31,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:47:32,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-12-01 17:47:32,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 17:47:32,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-01 17:47:32,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:47:32,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:47:32,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:47:32,086 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f85997e2-83fc-4ac7-ad02-e66e24b807d1/bin/ukojak/witness.graphml [2020-12-01 17:47:32,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:47:32,089 INFO L168 Benchmark]: Toolchain (without parser) took 4965.10 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 57.3 MB in the beginning and 93.7 MB in the end (delta: -36.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,092 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 43.7 MB in the beginning and 43.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:47:32,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.28 ms. Allocated memory is still 86.0 MB. Free memory was 57.1 MB in the beginning and 64.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,099 INFO L168 Benchmark]: Boogie Preprocessor took 29.49 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 62.1 MB in the end (delta: 912.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:47:32,100 INFO L168 Benchmark]: RCFGBuilder took 685.09 ms. Allocated memory is still 86.0 MB. Free memory was 61.8 MB in the beginning and 46.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,101 INFO L168 Benchmark]: CodeCheck took 3710.49 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 46.5 MB in the beginning and 95.8 MB in the end (delta: -49.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,102 INFO L168 Benchmark]: Witness Printer took 97.60 ms. Allocated memory is still 127.9 MB. Free memory was 95.8 MB in the beginning and 93.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:47:32,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 50 SDslu, 40 SDs, 0 SdLazy, 406 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 644 GetRequests, 592 SyntacticMatches, 8 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 71 ConstructedInterpolants, 1 QuantifiedInterpolants, 6725 SizeOfPredicates, 10 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 33/42 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 43.7 MB in the beginning and 43.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 388.28 ms. Allocated memory is still 86.0 MB. Free memory was 57.1 MB in the beginning and 64.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 86.0 MB. Free memory was 64.5 MB in the beginning and 63.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.49 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 62.1 MB in the end (delta: 912.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 685.09 ms. Allocated memory is still 86.0 MB. Free memory was 61.8 MB in the beginning and 46.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 3710.49 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 46.5 MB in the beginning and 95.8 MB in the end (delta: -49.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. * Witness Printer took 97.60 ms. Allocated memory is still 127.9 MB. Free memory was 95.8 MB in the beginning and 93.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...