./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i --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_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/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 595e0ffd0ff086ae45c2b9536863374b9b9c0fb6 .................................................................................................................................................................................................................................... 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 08:40:05,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:40:05,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:40:05,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:40:05,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:40:05,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:40:05,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:40:05,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:40:05,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:40:05,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:40:05,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:40:05,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:40:05,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:40:05,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:40:05,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:40:05,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:40:05,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:40:05,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:40:05,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:40:05,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:40:05,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:40:05,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:40:05,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:40:05,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:40:05,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:40:05,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:40:05,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:40:05,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:40:05,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:40:05,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:40:05,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:40:05,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:40:05,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:40:05,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:40:05,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:40:05,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:40:05,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:40:05,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:40:05,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:40:05,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:40:05,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:40:05,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:40:05,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:40:05,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:40:05,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:40:05,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:40:05,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:40:05,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:40:05,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:40:05,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:40:05,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:40:05,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:40:05,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:40:05,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:40:05,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:40:05,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:40:05,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:40:05,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:40:05,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:40:05,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:40:05,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:40:05,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:40:05,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:40:05,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:40:05,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:40:05,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:40:05,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:40:05,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:40:05,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:40:05,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:40:05,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:40:05,233 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_8f676306-883e-47f7-8bb3-57d97bf27617/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 -> 595e0ffd0ff086ae45c2b9536863374b9b9c0fb6 [2019-11-20 08:40:05,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:40:05,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:40:05,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:40:05,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:40:05,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:40:05,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i [2019-11-20 08:40:05,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/data/9bca9bc5d/ddd0e0eab9ea46e9a17037209518aa94/FLAG0892b1374 [2019-11-20 08:40:05,859 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:40:05,860 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/sv-benchmarks/c/loop-invgen/id_build.i [2019-11-20 08:40:05,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/data/9bca9bc5d/ddd0e0eab9ea46e9a17037209518aa94/FLAG0892b1374 [2019-11-20 08:40:06,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/data/9bca9bc5d/ddd0e0eab9ea46e9a17037209518aa94 [2019-11-20 08:40:06,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:40:06,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:40:06,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:40:06,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:40:06,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:40:06,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b656e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06, skipping insertion in model container [2019-11-20 08:40:06,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:40:06,270 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:40:06,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:40:06,420 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:40:06,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:40:06,527 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:40:06,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06 WrapperNode [2019-11-20 08:40:06,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:40:06,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:40:06,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:40:06,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:40:06,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:40:06,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:40:06,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:40:06,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:40:06,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:40:06,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:40:06,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:40:06,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:40:06,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:40:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/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 08:40:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:40:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:40:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 08:40:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 08:40:06,840 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:40:06,840 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 08:40:06,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:40:06 BoogieIcfgContainer [2019-11-20 08:40:06,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:40:06,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:40:06,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:40:06,851 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:40:06,851 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:40:06" (1/1) ... [2019-11-20 08:40:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:40:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:40:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-20 08:40:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-20 08:40:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 08:40:06,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:40:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:40:07,065 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 08:40:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:40:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 21 transitions. [2019-11-20 08:40:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-20 08:40:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:40:07,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:40:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:40:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:40:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:40:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 30 transitions. [2019-11-20 08:40:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2019-11-20 08:40:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 08:40:07,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:40:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:40:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 08:40:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:40:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 25 transitions. [2019-11-20 08:40:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-20 08:40:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 08:40:07,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:40:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:40:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:40:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:40:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 11 states and 13 transitions. [2019-11-20 08:40:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-20 08:40:07,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:40:07,764 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-11-20 08:40:07,773 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 08:40:07,832 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:40:07,836 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:40:07,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:40:07 ImpRootNode [2019-11-20 08:40:07,837 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:40:07,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:40:07,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:40:07,838 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:40:07,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:40:06" (3/4) ... [2019-11-20 08:40:07,842 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:40:07,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-11-20 08:40:07,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 08:40:07,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 08:40:07,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 08:40:07,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f676306-883e-47f7-8bb3-57d97bf27617/bin/ukojak/witness.graphml [2019-11-20 08:40:07,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:40:07,905 INFO L168 Benchmark]: Toolchain (without parser) took 1666.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -91.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:40:07,905 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:40:07,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:40:07,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:40:07,906 INFO L168 Benchmark]: Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:40:07,907 INFO L168 Benchmark]: RCFGBuilder took 254.29 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:40:07,907 INFO L168 Benchmark]: CodeCheck took 995.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:40:07,908 INFO L168 Benchmark]: Witness Printer took 66.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:40:07,910 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 2 procedures, 13 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 144 SDtfs, 76 SDslu, 104 SDs, 0 SdLazy, 372 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 427 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 25/33 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: 5]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 254.29 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 995.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...