./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --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_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/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 b03e1cb325e2c3a8ef30197a8e07012b3a728d97 ....................................................................................................................................................................................................................................... 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 02:24:29,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:24:29,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:24:29,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:24:29,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:24:29,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:24:29,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:24:29,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:24:29,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:24:29,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:24:29,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:24:29,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:24:29,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:24:29,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:24:29,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:24:29,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:24:29,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:24:29,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:24:29,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:24:29,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:24:29,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:24:29,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:24:29,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:24:29,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:24:29,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:24:29,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:24:29,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:24:29,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:24:29,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:24:29,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:24:29,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:24:29,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:24:29,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:24:29,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:24:29,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:24:29,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:24:29,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:24:29,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:24:29,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:24:29,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:24:29,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:24:29,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:24:29,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:24:29,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:24:29,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:24:29,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:24:29,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:24:29,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:24:29,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:24:29,206 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:24:29,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:24:29,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:24:29,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:24:29,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:24:29,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:24:29,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:24:29,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:24:29,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:24:29,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:24:29,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:24:29,208 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:24:29,209 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:24:29,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:24:29,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:24:29,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:24:29,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:24:29,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:24:29,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:24:29,210 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:24:29,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:24:29,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:24:29,211 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_bc92e85c-0c03-407e-86f8-1374b955e4c3/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 -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2019-11-26 02:24:29,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:24:29,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:24:29,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:24:29,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:24:29,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:24:29,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/../../sv-benchmarks/c/loop-invgen/large_const.i [2019-11-26 02:24:29,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/data/ea31a5d4f/434c656c94684aa8b41ba780887bbdd6/FLAG5082425b5 [2019-11-26 02:24:29,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:24:29,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/sv-benchmarks/c/loop-invgen/large_const.i [2019-11-26 02:24:29,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/data/ea31a5d4f/434c656c94684aa8b41ba780887bbdd6/FLAG5082425b5 [2019-11-26 02:24:29,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/data/ea31a5d4f/434c656c94684aa8b41ba780887bbdd6 [2019-11-26 02:24:29,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:24:29,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:24:29,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:24:29,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:24:29,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:24:29,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:24:29" (1/1) ... [2019-11-26 02:24:29,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a0ab27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:29, skipping insertion in model container [2019-11-26 02:24:29,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:24:29" (1/1) ... [2019-11-26 02:24:29,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:24:29,873 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:24:30,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:24:30,062 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:24:30,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:24:30,155 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:24:30,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30 WrapperNode [2019-11-26 02:24:30,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:24:30,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:24:30,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:24:30,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:24:30,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:24:30,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:24:30,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:24:30,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:24:30,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:24:30,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:24:30,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:24:30,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:24:30,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/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 02:24:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:24:30,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:24:30,631 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:24:30,631 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:24:30,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:30 BoogieIcfgContainer [2019-11-26 02:24:30,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:24:30,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:24:30,633 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:24:30,640 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:24:30,641 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:30" (1/1) ... [2019-11-26 02:24:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:24:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-26 02:24:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-26 02:24:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:24:30,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:30,810 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 02:24:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-11-26 02:24:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-11-26 02:24:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:24:30,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:24:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2019-11-26 02:24:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2019-11-26 02:24:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:24:31,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:24:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2019-11-26 02:24:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2019-11-26 02:24:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:24:32,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:24:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:24:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:24:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:24:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2019-11-26 02:24:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-26 02:24:32,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:24:32,906 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-11-26 02:24:32,914 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:24:32,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:24:32,964 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2019-11-26 02:24:32,968 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-11-26 02:24:32,970 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 02:24:32,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:24:32 ImpRootNode [2019-11-26 02:24:32,975 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:24:32,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:24:32,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:24:32,975 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:24:32,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:24:30" (3/4) ... [2019-11-26 02:24:32,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:24:32,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-26 02:24:32,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:24:32,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:24:33,034 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc92e85c-0c03-407e-86f8-1374b955e4c3/bin/ukojak/witness.graphml [2019-11-26 02:24:33,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:24:33,037 INFO L168 Benchmark]: Toolchain (without parser) took 3194.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:24:33,037 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:24:33,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:33,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.76 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 02:24:33,039 INFO L168 Benchmark]: Boogie Preprocessor took 20.45 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 02:24:33,039 INFO L168 Benchmark]: RCFGBuilder took 417.84 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:33,040 INFO L168 Benchmark]: CodeCheck took 2341.96 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: -6.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:24:33,040 INFO L168 Benchmark]: Witness Printer took 59.80 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:24:33,043 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, 11 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 88 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 578 SolverSat, 182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6/8 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: n <= j + 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((10000 <= c3 + k && i <= 0) && 4000 <= c1 + k) && 2000 <= c2 + k) && 0 <= i) || ((2000 <= k && 0 < i) && n <= 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (2000 <= k && n <= j + 1) || n <= j * 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 417.84 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2341.96 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: -6.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 59.80 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...