./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --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_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/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 20e42866e96d3e66a15deabf6033f8c164622233 ................................................................................................................................................................................................................................................................................................................................................. 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 16:29:44,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:29:44,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:29:44,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:29:44,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:29:44,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:29:44,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:29:44,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:29:44,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:29:44,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:29:44,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:29:44,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:29:44,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:29:44,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:29:44,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:29:44,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:29:44,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:29:44,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:29:44,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:29:44,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:29:44,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:29:44,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:29:44,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:29:44,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:29:44,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:29:44,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:29:44,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:29:44,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:29:44,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:29:44,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:29:44,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:29:44,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:29:44,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:29:44,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:29:44,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:29:44,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:29:44,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:29:44,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:29:44,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:29:44,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:29:44,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:29:44,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:29:44,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:29:44,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:29:44,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:29:44,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:29:44,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:29:44,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:29:44,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:29:44,252 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:29:44,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:29:44,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:29:44,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:29:44,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:29:44,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:29:44,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:29:44,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:29:44,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:29:44,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:29:44,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:29:44,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:29:44,257 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:29:44,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:29:44,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:29:44,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:29:44,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:29:44,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:29:44,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:29:44,259 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:29:44,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:29:44,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:29:44,262 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_2a3ab600-58a0-413d-b6a0-118b76fd4265/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20e42866e96d3e66a15deabf6033f8c164622233 [2020-12-01 16:29:44,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:29:44,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:29:44,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:29:44,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:29:44,698 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:29:44,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2020-12-01 16:29:44,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/data/4f71dcf8a/65c898568d5848028c08334515907dcd/FLAG6ab0772dd [2020-12-01 16:29:45,361 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:29:45,362 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2020-12-01 16:29:45,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/data/4f71dcf8a/65c898568d5848028c08334515907dcd/FLAG6ab0772dd [2020-12-01 16:29:45,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/data/4f71dcf8a/65c898568d5848028c08334515907dcd [2020-12-01 16:29:45,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:29:45,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:29:45,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:45,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:29:45,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:29:45,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:45" (1/1) ... [2020-12-01 16:29:45,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ddf846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:45, skipping insertion in model container [2020-12-01 16:29:45,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:45" (1/1) ... [2020-12-01 16:29:45,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:29:45,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:29:46,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:46,040 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:29:46,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:46,144 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:29:46,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46 WrapperNode [2020-12-01 16:29:46,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:46,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:46,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:29:46,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:29:46,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:46,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:29:46,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:29:46,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:29:46,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:29:46,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:29:46,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:29:46,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:29:46,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/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 16:29:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:29:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:29:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:29:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:29:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:29:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:29:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:29:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:29:46,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:29:46,899 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 16:29:46,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:46 BoogieIcfgContainer [2020-12-01 16:29:46,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:29:46,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:29:46,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:29:46,919 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:29:46,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:46" (1/1) ... [2020-12-01 16:29:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:29:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-12-01 16:29:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-01 16:29:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:29:47,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-01 16:29:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-01 16:29:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:29:47,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 31 transitions. [2020-12-01 16:29:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-12-01 16:29:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:29:47,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:47,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 16:29:47,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:29:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 50 transitions. [2020-12-01 16:29:48,890 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2020-12-01 16:29:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:29:48,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:48,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:29:48,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 56 transitions. [2020-12-01 16:29:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-12-01 16:29:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:29:50,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:50,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:29:50,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 58 transitions. [2020-12-01 16:29:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2020-12-01 16:29:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:29:51,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:51,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:29:51,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 66 transitions. [2020-12-01 16:29:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2020-12-01 16:29:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:29:53,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:53,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 16:29:53,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:29:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 51 states and 92 transitions. [2020-12-01 16:29:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2020-12-01 16:29:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:29:59,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:59,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 16:29:59,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 97 transitions. [2020-12-01 16:30:01,512 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2020-12-01 16:30:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:30:01,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:01,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:30:01,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 43 states and 64 transitions. [2020-12-01 16:30:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2020-12-01 16:30:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:30:03,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:03,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:30:03,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 47 states and 72 transitions. [2020-12-01 16:30:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2020-12-01 16:30:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:30:05,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:05,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:30:05,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:30:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 70 transitions. [2020-12-01 16:30:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2020-12-01 16:30:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:30:07,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:07,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 16:30:07,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:07,924 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 16:30:08,285 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-01 16:30:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 49 states and 74 transitions. [2020-12-01 16:30:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2020-12-01 16:30:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:30:18,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:18,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 16:30:18,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:30:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 77 transitions. [2020-12-01 16:30:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2020-12-01 16:30:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:30:23,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:23,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:30:23,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:30:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:30:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 37 states and 49 transitions. [2020-12-01 16:30:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-12-01 16:30:35,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:30:35,312 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2020-12-01 16:30:35,321 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:30:35,900 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-12-01 16:30:35,916 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:35,920 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:35,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:30:35 ImpRootNode [2020-12-01 16:30:35,920 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:30:35,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:30:35,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:30:35,922 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:30:35,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:46" (3/4) ... [2020-12-01 16:30:35,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:30:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-12-01 16:30:35,933 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 16:30:35,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-01 16:30:35,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:30:35,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:30:35,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:30:35,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2a3ab600-58a0-413d-b6a0-118b76fd4265/bin/ukojak/witness.graphml [2020-12-01 16:30:35,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:30:36,000 INFO L168 Benchmark]: Toolchain (without parser) took 50303.59 ms. Allocated memory was 83.9 MB in the beginning and 243.3 MB in the end (delta: 159.4 MB). Free memory was 50.8 MB in the beginning and 199.4 MB in the end (delta: -148.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,001 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 63.7 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:30:36,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.61 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 50.6 MB in the beginning and 89.6 MB in the end (delta: -39.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 88.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,003 INFO L168 Benchmark]: Boogie Preprocessor took 31.64 ms. Allocated memory is still 115.3 MB. Free memory was 88.3 MB in the beginning and 86.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,004 INFO L168 Benchmark]: RCFGBuilder took 672.61 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 69.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,005 INFO L168 Benchmark]: CodeCheck took 49016.62 ms. Allocated memory was 115.3 MB in the beginning and 243.3 MB in the end (delta: 127.9 MB). Free memory was 69.1 MB in the beginning and 202.5 MB in the end (delta: -133.4 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,006 INFO L168 Benchmark]: Witness Printer took 77.51 ms. Allocated memory is still 243.3 MB. Free memory was 202.5 MB in the beginning and 199.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:36,010 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, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.3s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336448 SDtfs, 49380 SDslu, 51776 SDs, 0 SdLazy, 493742 SolverSat, 166538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2694 GetRequests, 2386 SyntacticMatches, 64 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25428 ImplicationChecksByTransitivity, 42.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 26599 SizeOfPredicates, 26 NumberOfNonLiveVariables, 953 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 51/69 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: 12]: 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 0.41 ms. Allocated memory is still 83.9 MB. Free memory was 63.7 MB in the beginning and 63.7 MB in the end (delta: 22.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.61 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 50.6 MB in the beginning and 89.6 MB in the end (delta: -39.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 88.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.64 ms. Allocated memory is still 115.3 MB. Free memory was 88.3 MB in the beginning and 86.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 672.61 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 69.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 49016.62 ms. Allocated memory was 115.3 MB in the beginning and 243.3 MB in the end (delta: 127.9 MB). Free memory was 69.1 MB in the beginning and 202.5 MB in the end (delta: -133.4 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.1 GB. * Witness Printer took 77.51 ms. Allocated memory is still 243.3 MB. Free memory was 202.5 MB in the beginning and 199.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...