./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/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 e954357898f010ea28e7deb5d5a1ae907cf090e4 .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:52:09,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:09,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:09,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:09,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:09,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:09,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:09,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:09,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:09,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:09,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:09,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:09,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:09,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:09,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:09,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:09,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:09,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:09,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:09,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:09,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:09,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:09,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:09,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:09,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:09,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:09,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:09,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:09,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:09,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:09,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:09,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:09,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:09,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:09,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:09,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:09,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:09,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:09,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:09,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:09,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:09,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:52:09,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:09,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:09,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:09,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:52:09,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:52:09,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:52:09,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:09,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:09,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:09,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:09,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:09,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:52:09,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:09,262 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:52:09,262 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:52:09,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:09,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:09,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:52:09,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:09,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:09,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:09,263 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:52:09,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:09,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:09,264 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_f478419b-7df6-4668-9570-b08cd56e4f14/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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-11-26 02:52:09,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:09,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:09,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:09,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:09,408 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:09,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/../../sv-benchmarks/c/loops/n.c40.c [2019-11-26 02:52:09,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/data/f20173a2b/c9dcff64c1214be4b353cb8c2267f7ed/FLAGb759b1c9c [2019-11-26 02:52:09,852 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:09,852 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/sv-benchmarks/c/loops/n.c40.c [2019-11-26 02:52:09,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/data/f20173a2b/c9dcff64c1214be4b353cb8c2267f7ed/FLAGb759b1c9c [2019-11-26 02:52:10,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/data/f20173a2b/c9dcff64c1214be4b353cb8c2267f7ed [2019-11-26 02:52:10,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:10,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:10,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:10,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:10,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:10,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac5180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10, skipping insertion in model container [2019-11-26 02:52:10,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:10,294 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:10,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:10,428 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:10,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:10,524 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:10,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10 WrapperNode [2019-11-26 02:52:10,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:10,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:10,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:10,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:10,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:10,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:10,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:10,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:10,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:10,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:10,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:10,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:10,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/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 [2019-11-26 02:52:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:52:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:52:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:52:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:52:10,930 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:52:10,931 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:52:10,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:10 BoogieIcfgContainer [2019-11-26 02:52:10,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:52:10,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:52:10,933 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:52:10,942 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:52:10,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:10" (1/1) ... [2019-11-26 02:52:10,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:52:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:52:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-11-26 02:52:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-26 02:52:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:52:10,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:52:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:52:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-11-26 02:52:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-26 02:52:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:52:11,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:52:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:52:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-26 02:52:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-26 02:52:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:52:11,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:52:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:52:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2019-11-26 02:52:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-11-26 02:52:11,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:52:11,682 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-26 02:52:11,691 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:52:11,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:52:11,726 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-11-26 02:52:11,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:52:11,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:52:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:52:11 ImpRootNode [2019-11-26 02:52:11,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:52:11,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:52:11,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:52:11,738 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:52:11,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:10" (3/4) ... [2019-11-26 02:52:11,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:52:11,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:52:11,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:52:11,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:52:11,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f478419b-7df6-4668-9570-b08cd56e4f14/bin/ukojak/witness.graphml [2019-11-26 02:52:11,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:52:11,814 INFO L168 Benchmark]: Toolchain (without parser) took 1545.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:11,815 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. [2019-11-26 02:52:11,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -218.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:11,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:52:11,821 INFO L168 Benchmark]: Boogie Preprocessor took 48.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:11,822 INFO L168 Benchmark]: RCFGBuilder took 322.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:11,822 INFO L168 Benchmark]: CodeCheck took 804.28 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: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:11,823 INFO L168 Benchmark]: Witness Printer took 74.91 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. [2019-11-26 02:52:11,830 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, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 26 SDslu, 8 SDs, 0 SdLazy, 88 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 20]: 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-26 02:52:11,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:52:11,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (0 == i && !(x == y)) && 0 == unknown-#memory_int-unknown[x][i + x] * 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 256.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -218.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 804.28 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: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.91 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...