./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e005ade34f94c5c325f6dba20e4a523c0e30c86 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:03:04,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:03:04,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:03:04,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:03:04,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:03:04,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:03:04,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:03:04,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:03:04,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:03:04,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:03:04,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:03:04,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:03:04,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:03:04,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:03:04,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:03:04,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:03:04,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:03:04,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:03:04,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:03:04,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:03:04,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:03:04,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:03:04,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:03:04,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:03:04,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:03:04,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:03:04,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:03:04,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:03:04,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:03:04,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:03:04,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:03:04,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:03:04,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:03:04,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:03:04,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:03:04,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:03:04,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:03:04,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:03:04,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:03:04,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:03:04,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:03:04,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:03:04,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:03:04,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:03:04,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:03:04,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:03:04,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:03:04,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:03:04,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:03:04,196 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:03:04,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:03:04,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:03:04,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:03:04,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:03:04,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:03:04,198 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:03:04,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:03:04,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:03:04,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:03:04,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:03:04,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:03:04,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:03:04,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:03:04,199 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:03:04,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:03:04,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:03:04,200 INFO L138 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-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/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(__VERIFIER_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 -> 0e005ade34f94c5c325f6dba20e4a523c0e30c86 [2019-11-20 01:03:04,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:03:04,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:03:04,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:03:04,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:03:04,391 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:03:04,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2019-11-20 01:03:04,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/data/0a0589842/37c16db4624f46d7b9e341ebf10b5fea/FLAG2adce7506 [2019-11-20 01:03:04,984 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:03:04,984 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2019-11-20 01:03:05,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/data/0a0589842/37c16db4624f46d7b9e341ebf10b5fea/FLAG2adce7506 [2019-11-20 01:03:05,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/data/0a0589842/37c16db4624f46d7b9e341ebf10b5fea [2019-11-20 01:03:05,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:03:05,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:03:05,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:05,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:03:05,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:03:05,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:05" (1/1) ... [2019-11-20 01:03:05,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d56deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:05, skipping insertion in model container [2019-11-20 01:03:05,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:05" (1/1) ... [2019-11-20 01:03:05,282 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:03:05,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:03:05,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:05,876 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:03:06,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:06,146 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:03:06,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06 WrapperNode [2019-11-20 01:03:06,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:06,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:06,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:03:06,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:03:06,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:06,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:03:06,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:03:06,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:03:06,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... [2019-11-20 01:03:06,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:03:06,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:03:06,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:03:06,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:03:06,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/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 [2019-11-20 01:03:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:03:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:03:07,935 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:03:07,935 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 01:03:07,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:07 BoogieIcfgContainer [2019-11-20 01:03:07,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:03:07,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:03:07,937 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:03:07,951 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:03:07,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:07" (1/1) ... [2019-11-20 01:03:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 480 transitions. [2019-11-20 01:03:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 480 transitions. [2019-11-20 01:03:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 01:03:08,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 247 states and 481 transitions. [2019-11-20 01:03:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 481 transitions. [2019-11-20 01:03:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 01:03:08,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 250 states and 484 transitions. [2019-11-20 01:03:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 484 transitions. [2019-11-20 01:03:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 01:03:09,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:09,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 253 states and 489 transitions. [2019-11-20 01:03:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 489 transitions. [2019-11-20 01:03:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 01:03:10,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 491 transitions. [2019-11-20 01:03:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 491 transitions. [2019-11-20 01:03:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:03:11,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 361 states and 736 transitions. [2019-11-20 01:03:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 736 transitions. [2019-11-20 01:03:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:03:14,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:03:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:15,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 360 states and 734 transitions. [2019-11-20 01:03:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 734 transitions. [2019-11-20 01:03:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 01:03:15,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:03:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 353 states and 725 transitions. [2019-11-20 01:03:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 725 transitions. [2019-11-20 01:03:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:03:15,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:03:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 372 states and 754 transitions. [2019-11-20 01:03:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 754 transitions. [2019-11-20 01:03:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:03:28,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:03:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 301 states and 602 transitions. [2019-11-20 01:03:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 602 transitions. [2019-11-20 01:03:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:03:32,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:03:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 249 states and 489 transitions. [2019-11-20 01:03:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 489 transitions. [2019-11-20 01:03:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:03:37,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:03:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 268 transitions. [2019-11-20 01:03:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2019-11-20 01:03:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 01:03:41,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 01:03:48,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 149 states and 270 transitions. [2019-11-20 01:03:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2019-11-20 01:03:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 01:03:48,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 155 states and 279 transitions. [2019-11-20 01:03:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 279 transitions. [2019-11-20 01:03:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 01:03:51,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:03:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 162 states and 287 transitions. [2019-11-20 01:03:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 287 transitions. [2019-11-20 01:03:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 01:03:55,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:03:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 169 states and 295 transitions. [2019-11-20 01:04:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 295 transitions. [2019-11-20 01:04:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 01:04:00,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:04:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 176 states and 303 transitions. [2019-11-20 01:04:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 303 transitions. [2019-11-20 01:04:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 01:04:04,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:04:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 183 states and 311 transitions. [2019-11-20 01:04:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 311 transitions. [2019-11-20 01:04:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 01:04:09,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:04:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 190 states and 319 transitions. [2019-11-20 01:04:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 319 transitions. [2019-11-20 01:04:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 01:04:14,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:04:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 197 states and 325 transitions. [2019-11-20 01:04:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 325 transitions. [2019-11-20 01:04:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-20 01:04:19,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:04:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-11-20 01:04:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:04:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 224 states and 355 transitions. [2019-11-20 01:04:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 355 transitions. [2019-11-20 01:04:34,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:04:34,514 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2019-11-20 01:04:34,525 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-20 01:04:34,723 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 8 [2019-11-20 01:04:35,177 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 11 [2019-11-20 01:04:35,548 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 01:04:35,558 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 01:04:35,559 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 01:04:35,559 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:04:35,559 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 01:04:35,560 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 01:04:35,560 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 01:04:35,561 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 01:04:35,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:04:35 ImpRootNode [2019-11-20 01:04:35,562 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:04:35,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:04:35,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:04:35,563 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:04:35,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:07" (3/4) ... [2019-11-20 01:04:35,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:04:35,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 01:04:35,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:04:35,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_51114773-ad02-42d5-b7f5-a4f9c594be95/bin/ukojak/witness.graphml [2019-11-20 01:04:35,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:04:35,874 INFO L168 Benchmark]: Toolchain (without parser) took 90608.31 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 939.3 MB in the beginning and 1.9 GB in the end (delta: -970.7 MB). Peak memory consumption was 353.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,874 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:04:35,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,876 INFO L168 Benchmark]: Boogie Preprocessor took 63.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,876 INFO L168 Benchmark]: RCFGBuilder took 1574.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.1 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,877 INFO L168 Benchmark]: CodeCheck took 87624.76 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 947.1 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,877 INFO L168 Benchmark]: Witness Printer took 310.20 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:35,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 2 error locations. Result: SAFE, OverallTime: 86.5s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 228680704 SDtfs, 115964766 SDslu, 50205208 SDs, 0 SdLazy, 203580212 SolverSat, 11729286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24984 GetRequests, 23342 SyntacticMatches, 982 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417234 ImplicationChecksByTransitivity, 80.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2960 NumberOfCodeBlocks, 2960 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2940 ConstructedInterpolants, 0 QuantifiedInterpolants, 892042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 378/723 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: 2307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2294]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1258]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 4 <= main__i - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 880.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1574.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.1 MB in the end (delta: 146.8 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. * CodeCheck took 87624.76 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 947.1 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. * Witness Printer took 310.20 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...