./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/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 5f1f3e9c958502587d73771213325403adeeeeae ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 19:28:21,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:28:21,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:28:21,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:28:21,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:28:21,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:28:21,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:28:21,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:28:21,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:28:21,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:28:21,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:28:21,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:28:21,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:28:21,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:28:21,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:28:21,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:28:21,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:28:21,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:28:21,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:28:21,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:28:21,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:28:21,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:28:21,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:28:21,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:28:21,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:28:21,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:28:21,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:28:21,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:28:21,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:28:21,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:28:21,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:28:21,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:28:21,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:28:21,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:28:21,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:28:21,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:28:21,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:28:21,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:28:21,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:28:21,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:28:21,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:28:21,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 19:28:21,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:28:21,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:28:21,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:28:21,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:28:21,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:28:21,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:28:21,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:28:21,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:28:21,224 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:28:21,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:28:21,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:28:21,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:28:21,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:28:21,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:28:21,225 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:28:21,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:28:21,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:28:21,225 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_e6b5deac-4100-41c3-97dd-85a056c7dcbc/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2019-12-01 19:28:21,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:28:21,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:28:21,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:28:21,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:28:21,340 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:28:21,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-12-01 19:28:21,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/data/c89979549/cac8655c4fc94e77a514c86a4040aa06/FLAG12c67e3f7 [2019-12-01 19:28:21,843 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:28:21,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-12-01 19:28:21,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/data/c89979549/cac8655c4fc94e77a514c86a4040aa06/FLAG12c67e3f7 [2019-12-01 19:28:21,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/data/c89979549/cac8655c4fc94e77a514c86a4040aa06 [2019-12-01 19:28:21,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:28:21,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:28:21,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:28:21,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:28:21,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:28:21,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:28:21" (1/1) ... [2019-12-01 19:28:21,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f180cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:21, skipping insertion in model container [2019-12-01 19:28:21,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:28:21" (1/1) ... [2019-12-01 19:28:21,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:28:21,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:28:22,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:28:22,162 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:28:22,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:28:22,244 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:28:22,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22 WrapperNode [2019-12-01 19:28:22,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:28:22,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:28:22,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:28:22,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:28:22,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:28:22,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:28:22,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:28:22,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:28:22,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... [2019-12-01 19:28:22,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:28:22,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:28:22,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:28:22,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:28:22,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/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 [2019-12-01 19:28:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:28:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:29:37,826 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:29:37,826 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 19:29:37,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:29:37 BoogieIcfgContainer [2019-12-01 19:29:37,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:29:37,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:29:37,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:29:37,834 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:29:37,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:29:37" (1/1) ... [2019-12-01 19:29:37,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:29:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 19:29:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 19:29:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:29:37,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 19:29:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 19:29:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 19:29:38,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 19:29:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 19:29:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:29:45,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2019-12-01 19:29:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2019-12-01 19:29:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:29:46,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2019-12-01 19:29:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2019-12-01 19:29:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 19:29:47,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:29:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2019-12-01 19:29:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-12-01 19:29:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:29:47,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:29:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:29:48,107 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2019-12-01 19:29:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:29:49,331 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-12-01 19:29:49,572 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-12-01 19:29:49,878 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-12-01 19:30:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:30:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2019-12-01 19:30:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2019-12-01 19:30:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:30:21,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:30:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:30:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:30:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:30:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 92 transitions. [2019-12-01 19:30:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 92 transitions. [2019-12-01 19:30:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:30:23,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:30:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:30:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:30:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:30:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2019-12-01 19:30:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2019-12-01 19:30:23,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 19:30:23,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:30:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:30:56,662 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 29 [2019-12-01 19:30:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 19:31:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:31:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 107 transitions. [2019-12-01 19:31:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2019-12-01 19:31:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 19:31:28,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:31:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:31:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 19:32:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:32:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2019-12-01 19:32:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2019-12-01 19:32:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 19:32:11,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:32:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:32:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 19:32:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:32:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 86 transitions. [2019-12-01 19:32:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2019-12-01 19:32:42,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:32:42,844 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-12-01 19:32:42,850 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 19:32:43,128 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2019-12-01 19:32:43,260 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2019-12-01 19:32:43,352 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-12-01 19:32:43,362 INFO L569 CodeCheckObserver]: Invariant with dag size 48 [2019-12-01 19:32:43,364 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:32:43,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:32:43 ImpRootNode [2019-12-01 19:32:43,365 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:32:43,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:32:43,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:32:43,366 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:32:43,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:29:37" (3/4) ... [2019-12-01 19:32:43,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:32:43,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 19:32:43,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 19:32:43,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 19:32:43,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:32:43,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6b5deac-4100-41c3-97dd-85a056c7dcbc/bin/ukojak/witness.graphml [2019-12-01 19:32:43,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:32:43,480 INFO L168 Benchmark]: Toolchain (without parser) took 261615.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.5 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 213.6 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,481 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:32:43,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,481 INFO L168 Benchmark]: Boogie Preprocessor took 62.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,482 INFO L168 Benchmark]: RCFGBuilder took 75446.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,482 INFO L168 Benchmark]: CodeCheck took 185537.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -74.0 MB). Peak memory consumption was 618.8 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,482 INFO L168 Benchmark]: Witness Printer took 114.01 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-12-01 19:32:43,484 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 184.9s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12344 SDtfs, 24272 SDslu, 16496 SDs, 0 SdLazy, 74630 SolverSat, 10486 SolverUnsat, 220 SolverUnknown, 0 SolverNotchecked, 365.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1817 GetRequests, 1575 SyntacticMatches, 90 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12856 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 97.6s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 50256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 66/204 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: 199]: 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: 582]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && 0 < a1 + 13) || a10 == 1) || (((14 == a4 && a12 == 0) && !(a10 == 0)) && (!(a10 == 3) || 0 <= a1 + 600000))) || !(a19 == 9) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a10 == 1 || (((23 <= a1 && 14 == a4) && a12 == 0) && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input))) || !(a19 == 9)) || ((((0 < a1 + 13 || (!(a10 == 0) && (!(a10 == 3) || 0 <= a1 + 600000))) && 14 == a4) && a12 == 0) && !((23 <= a1 && a1 <= 38) && a10 == 0)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 75446.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. * CodeCheck took 185537.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -74.0 MB). Peak memory consumption was 618.8 MB. Max. memory is 11.5 GB. * Witness Printer took 114.01 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...