./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/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 7408fe5ba42f5c474832c90e26f3e7ef2342554c .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:41,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:41,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:41,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:41,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:41,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:41,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:41,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:41,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:41,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:41,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:41,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:41,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:41,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:41,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:41,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:41,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:41,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:41,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:41,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:41,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:41,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:41,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:41,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:41,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:41,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:41,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:41,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:41,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:41,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:41,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:41,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:41,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:41,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:41,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:41,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:41,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:41,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:41,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:41,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:41,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:41,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:41,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:41,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:41,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:41,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:41,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:41,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:41,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:41,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:41,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:41,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:41,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:41,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:41,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:41,222 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:41,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:41,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:41,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:41,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:41,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:41,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:41,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:41,224 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:41,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:41,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:41,225 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/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/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 -> 7408fe5ba42f5c474832c90e26f3e7ef2342554c [2019-10-22 10:16:41,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:41,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:41,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:41,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:41,288 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:41,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/../../sv-benchmarks/c/loop-lit/cggmp2005b.i [2019-10-22 10:16:41,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/data/634e94d78/519e4bf8c98a47c4a6bbeccf72a8380a/FLAG5bc3d4899 [2019-10-22 10:16:41,721 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:41,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/sv-benchmarks/c/loop-lit/cggmp2005b.i [2019-10-22 10:16:41,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/data/634e94d78/519e4bf8c98a47c4a6bbeccf72a8380a/FLAG5bc3d4899 [2019-10-22 10:16:41,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/data/634e94d78/519e4bf8c98a47c4a6bbeccf72a8380a [2019-10-22 10:16:41,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:41,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:41,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:41,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:41,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:41,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:41" (1/1) ... [2019-10-22 10:16:41,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7596a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:41, skipping insertion in model container [2019-10-22 10:16:41,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:41" (1/1) ... [2019-10-22 10:16:41,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:41,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:41,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:41,958 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:42,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:42,094 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:42,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42 WrapperNode [2019-10-22 10:16:42,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:42,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:42,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:42,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:42,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:42,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:42,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:42,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:42,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:42,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:42,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:42,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:42,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/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 [2019-10-22 10:16:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:42,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:42,412 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 10:16:42,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:42 BoogieIcfgContainer [2019-10-22 10:16:42,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:42,414 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:42,414 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:42,426 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:42,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:42" (1/1) ... [2019-10-22 10:16:42,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-10-22 10:16:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-10-22 10:16:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:16:42,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-10-22 10:16:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-10-22 10:16:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:16:42,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:42,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2019-10-22 10:16:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2019-10-22 10:16:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:16:42,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:16:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2019-10-22 10:16:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2019-10-22 10:16:43,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:16:43,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2019-10-22 10:16:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2019-10-22 10:16:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:16:43,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:16:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2019-10-22 10:16:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2019-10-22 10:16:43,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:16:43,801 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-10-22 10:16:43,814 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:16:43,868 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:43,872 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:16:43,880 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:43,880 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:16:43,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:43 ImpRootNode [2019-10-22 10:16:43,881 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:43,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:43,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:43,882 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:43,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:42" (3/4) ... [2019-10-22 10:16:43,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:16:43,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 10:16:43,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:16:43,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:16:43,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7b31f6d6-c3e3-43c5-9f4a-316df0d9bd3c/bin/ukojak/witness.graphml [2019-10-22 10:16:43,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:43,961 INFO L168 Benchmark]: Toolchain (without parser) took 2219.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -110.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,961 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:43,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 943.1 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.33 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. [2019-10-22 10:16:43,965 INFO L168 Benchmark]: Boogie Preprocessor took 25.61 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. [2019-10-22 10:16:43,965 INFO L168 Benchmark]: RCFGBuilder took 255.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,966 INFO L168 Benchmark]: CodeCheck took 1467.68 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: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:43,969 INFO L168 Benchmark]: Witness Printer took 76.87 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. [2019-10-22 10:16:43,974 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: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 68 SDslu, 128 SDs, 0 SdLazy, 502 SolverSat, 234 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 17/20 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: k == 4 || i <= 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: k == 4 || i <= 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 943.1 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.33 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 25.61 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. * RCFGBuilder took 255.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1467.68 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: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.87 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...