./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 5d57b69a18e01217b153b00cc1c03d5a7a42828b ................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 5d57b69a18e01217b153b00cc1c03d5a7a42828b ........................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:07:16,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:07:16,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:07:16,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:07:16,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:07:16,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:07:16,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:07:16,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:07:16,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:07:16,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:07:16,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:07:16,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:07:16,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:07:16,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:07:16,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:07:16,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:07:16,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:07:16,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:07:16,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:07:16,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:07:16,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:07:16,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:07:16,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:07:16,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:07:16,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:07:16,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:07:16,185 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:07:16,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:07:16,186 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:07:16,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:07:16,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:07:16,187 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:07:16,187 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:07:16,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:07:16,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:07:16,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:07:16,189 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:07:16,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:07:16,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:07:16,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:07:16,197 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:07:16,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:07:16,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:07:16,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:07:16,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:07:16,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:07:16,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:07:16,199 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:07:16,199 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:07:16,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:07:16,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:07:16,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:07:16,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:07:16,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2018-12-09 19:07:16,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:07:16,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:07:16,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:07:16,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:07:16,235 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:07:16,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-12-09 19:07:16,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/a8167a603/bdfcd76e879844478768f0e795114cf3/FLAG02b136e0a [2018-12-09 19:07:16,707 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:07:16,707 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-12-09 19:07:16,711 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/a8167a603/bdfcd76e879844478768f0e795114cf3/FLAG02b136e0a [2018-12-09 19:07:17,120 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/a8167a603/bdfcd76e879844478768f0e795114cf3 [2018-12-09 19:07:17,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:07:17,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:07:17,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:17,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:07:17,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:07:17,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5cabf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17, skipping insertion in model container [2018-12-09 19:07:17,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:07:17,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:07:17,230 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:17,232 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:07:17,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:17,249 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:07:17,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17 WrapperNode [2018-12-09 19:07:17,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:17,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:17,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:07:17,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:07:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:17,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:07:17,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:07:17,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:07:17,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:07:17,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:07:17,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:07:17,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:07:17,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 [2018-12-09 19:07:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:07:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:07:17,432 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:07:17,432 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:07:17,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:17 BoogieIcfgContainer [2018-12-09 19:07:17,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:07:17,433 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:07:17,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:07:17,442 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:07:17,442 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:17" (1/1) ... [2018-12-09 19:07:17,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:07:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 19:07:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 19:07:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 19:07:17,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:07:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:07:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:07:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:07:17,556 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 19:07:17,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:07:17 ImpRootNode [2018-12-09 19:07:17,567 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:07:17,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:07:17,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:07:17,568 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:07:17,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:17" (3/4) ... [2018-12-09 19:07:17,570 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:07:17,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:07:17,571 INFO L168 Benchmark]: Toolchain (without parser) took 448.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -126.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:07:17,572 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:07:17,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.26 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:07:17,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.19 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:07:17,573 INFO L168 Benchmark]: Boogie Preprocessor took 39.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:07:17,574 INFO L168 Benchmark]: RCFGBuilder took 126.25 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:07:17,574 INFO L168 Benchmark]: CodeCheck took 134.52 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:07:17,575 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:07:17,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L6] float x, y, z; [L8] x = 1.f [L9] y = 1e7 [L10] z = 42.f [L12] COND FALSE !(x < y) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.26 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.19 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 126.25 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * CodeCheck took 134.52 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:07:18,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:07:18,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:07:18,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:07:18,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:07:18,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:07:18,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:07:18,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:07:18,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:07:18,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:07:18,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:07:18,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:07:18,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:07:18,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:07:18,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:07:18,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:07:18,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:07:18,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:07:18,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:07:18,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:07:18,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:07:18,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:07:18,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:07:18,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:07:18,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:07:18,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:07:18,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:07:18,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:07:18,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:07:18,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:07:18,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:07:18,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:07:18,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:07:18,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:07:18,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:07:18,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:07:18,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 19:07:18,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:07:18,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:07:18,887 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:07:18,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:07:18,888 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:07:18,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:07:18,889 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:07:18,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:07:18,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:07:18,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:07:18,890 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2018-12-09 19:07:18,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:07:18,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:07:18,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:07:18,922 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:07:18,922 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:07:18,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-12-09 19:07:18,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/bd3366a22/bd14f74d31ce4e81a07e9376849ca67d/FLAGf4033b0dc [2018-12-09 19:07:19,350 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:07:19,350 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/sv-benchmarks/c/float-benchs/loop_true-unreach-call.c [2018-12-09 19:07:19,354 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/bd3366a22/bd14f74d31ce4e81a07e9376849ca67d/FLAGf4033b0dc [2018-12-09 19:07:19,362 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/ukojak/data/bd3366a22/bd14f74d31ce4e81a07e9376849ca67d [2018-12-09 19:07:19,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:07:19,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:07:19,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:19,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:07:19,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:07:19,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4428e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19, skipping insertion in model container [2018-12-09 19:07:19,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:07:19,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:07:19,466 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:19,469 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:07:19,478 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:07:19,487 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:07:19,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19 WrapperNode [2018-12-09 19:07:19,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:07:19,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:19,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:07:19,488 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:07:19,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:07:19,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:07:19,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:07:19,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:07:19,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... [2018-12-09 19:07:19,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:07:19,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:07:19,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:07:19,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:07:19,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:07:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d36dc8cb-aae6-41cb-a1e0-0f1ba8484953/bin-2019/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 [2018-12-09 19:07:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:07:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:07:20,029 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:07:20,029 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:07:20,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:20 BoogieIcfgContainer [2018-12-09 19:07:20,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:07:20,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:07:20,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:07:20,036 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:07:20,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:07:20" (1/1) ... [2018-12-09 19:07:20,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:07:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-09 19:07:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-09 19:07:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 19:07:20,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:20,095 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:07:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:20,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:07:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-09 19:07:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-09 19:07:21,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 19:07:21,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:21,584 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:07:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:22,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:07:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2018-12-09 19:07:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2018-12-09 19:07:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 19:07:28,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:28,013 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:07:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:29,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:07:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-12-09 19:07:37,476 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-12-09 19:07:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 19:07:37,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:37,478 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:07:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:41,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:07:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:07:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:07:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2018-12-09 19:07:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2018-12-09 19:07:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 19:07:47,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:07:47,467 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:07:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:07:51,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:07:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2018-12-09 19:08:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2018-12-09 19:08:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 19:08:04,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:04,832 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:08:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:11,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2018-12-09 19:08:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2018-12-09 19:08:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 19:08:25,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:25,999 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:08:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:32,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:08:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2018-12-09 19:08:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2018-12-09 19:08:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 19:08:47,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:08:47,458 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 19:08:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-09 19:08:57,694 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 19:08:57,696 INFO L168 Benchmark]: Toolchain (without parser) took 98331.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -81.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:08:57,697 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:08:57,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.26 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:08:57,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.25 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:08:57,699 INFO L168 Benchmark]: Boogie Preprocessor took 14.04 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:08:57,699 INFO L168 Benchmark]: RCFGBuilder took 508.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:08:57,700 INFO L168 Benchmark]: CodeCheck took 97665.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:08:57,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.26 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.25 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.04 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 508.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * CodeCheck took 97665.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...