./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/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 3a552ed0b53624bc27612451ed4207d0101db39b .............................................................................................................................................................................................................. 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_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/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 3a552ed0b53624bc27612451ed4207d0101db39b ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:48:09,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:48:09,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:48:09,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:48:09,523 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:48:09,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:48:09,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:48:09,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:48:09,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:48:09,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:48:09,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:48:09,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:48:09,530 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:48:09,531 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:48:09,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:48:09,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:48:09,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:48:09,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:48:09,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:48:09,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:48:09,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:48:09,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:48:09,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:48:09,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:48:09,543 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:48:09,544 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:48:09,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:48:09,545 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:48:09,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:48:09,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:48:09,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:48:09,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:48:09,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:48:09,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:48:09,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:48:09,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:48:09,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:48:09,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:48:09,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:48:09,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:48:09,563 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:48:09,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:48:09,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:48:09,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:48:09,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:48:09,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:48:09,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:48:09,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:48:09,566 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:48:09,566 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:48:09,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:48:09,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:48:09,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:48:09,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:48:09,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:48:09,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:48:09,567 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:48:09,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:48:09,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:48:09,570 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_359564c4-9553-48f1-aa90-8c0366d2377d/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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2018-10-27 00:48:09,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:48:09,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:48:09,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:48:09,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:48:09,617 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:48:09,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-10-27 00:48:09,665 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/6f48c2f7e/dd6b38d14c01492cb3d7cf8bb5bad2a5/FLAG6c799e305 [2018-10-27 00:48:10,050 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:48:10,050 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-10-27 00:48:10,055 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/6f48c2f7e/dd6b38d14c01492cb3d7cf8bb5bad2a5/FLAG6c799e305 [2018-10-27 00:48:10,066 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/6f48c2f7e/dd6b38d14c01492cb3d7cf8bb5bad2a5 [2018-10-27 00:48:10,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:48:10,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:48:10,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:10,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:48:10,075 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:48:10,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10, skipping insertion in model container [2018-10-27 00:48:10,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:48:10,101 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:48:10,220 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:10,222 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:48:10,233 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:10,243 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:48:10,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10 WrapperNode [2018-10-27 00:48:10,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:10,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:10,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:48:10,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:48:10,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:10,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:48:10,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:48:10,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:48:10,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:48:10,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:48:10,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:48:10,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:48:10,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/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 [2018-10-27 00:48:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:48:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:48:10,634 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:48:10,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:10 BoogieIcfgContainer [2018-10-27 00:48:10,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:48:10,635 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:48:10,635 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:48:10,643 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:48:10,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:10" (1/1) ... [2018-10-27 00:48:10,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:48:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-27 00:48:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-27 00:48:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 00:48:10,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:10,829 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-27 00:48:10,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:48:10 ImpRootNode [2018-10-27 00:48:10,848 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:48:10,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:48:10,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:48:10,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:48:10,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:10" (3/4) ... [2018-10-27 00:48:10,853 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:48:10,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:48:10,854 INFO L168 Benchmark]: Toolchain (without parser) took 784.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:10,856 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:10,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.97 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:10,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.65 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:10,858 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:10,859 INFO L168 Benchmark]: RCFGBuilder took 342.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:10,861 INFO L168 Benchmark]: CodeCheck took 213.14 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:10,862 INFO L168 Benchmark]: Witness Printer took 5.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:10,867 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, 9 locations, 1 error locations. UNSAFE Result, 0.1s 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, 3 NumberOfCodeBlocks, 3 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 16. Possible FailurePath: [L10] int x; [L11] float y, z; [L13] x = __VERIFIER_nondet_int() [L16] y = x*x - 4.f [L17] CALL __VERIFIER_assert(y != 0.f) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.97 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 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 30.65 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 213.14 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. 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 0.1.23-1dbac8b [2018-10-27 00:48:12,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:48:12,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:48:12,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:48:12,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:48:12,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:48:12,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:48:12,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:48:12,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:48:12,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:48:12,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:48:12,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:48:12,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:48:12,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:48:12,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:48:12,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:48:12,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:48:12,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:48:12,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:48:12,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:48:12,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:48:12,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:48:12,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:48:12,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:48:12,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:48:12,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:48:12,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:48:12,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:48:12,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:48:12,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:48:12,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:48:12,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:48:12,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:48:12,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:48:12,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:48:12,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:48:12,892 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-27 00:48:12,905 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:48:12,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:48:12,905 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:48:12,906 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:48:12,906 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:48:12,906 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:48:12,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:48:12,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:48:12,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:48:12,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:48:12,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:48:12,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:48:12,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:48:12,908 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:48:12,909 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:48:12,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:48:12,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:48:12,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:48:12,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:48:12,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:48:12,910 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:48:12,911 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_359564c4-9553-48f1-aa90-8c0366d2377d/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 -> 3a552ed0b53624bc27612451ed4207d0101db39b [2018-10-27 00:48:12,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:48:12,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:48:12,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:48:12,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:48:12,976 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:48:12,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-10-27 00:48:13,023 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/a5f38401c/ff7672b5b6844dd89a6a5ec9aeb56f58/FLAGe2714c856 [2018-10-27 00:48:13,428 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:48:13,429 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-10-27 00:48:13,434 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/a5f38401c/ff7672b5b6844dd89a6a5ec9aeb56f58/FLAGe2714c856 [2018-10-27 00:48:13,446 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/data/a5f38401c/ff7672b5b6844dd89a6a5ec9aeb56f58 [2018-10-27 00:48:13,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:48:13,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:48:13,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:13,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:48:13,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:48:13,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559bb6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13, skipping insertion in model container [2018-10-27 00:48:13,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:48:13,486 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:48:13,631 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:13,638 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:48:13,655 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:13,670 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:48:13,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13 WrapperNode [2018-10-27 00:48:13,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:13,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:13,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:48:13,671 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:48:13,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:48:13,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:48:13,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:48:13,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:48:13,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... [2018-10-27 00:48:13,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:48:13,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:48:13,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:48:13,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:48:13,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/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 [2018-10-27 00:48:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:48:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:48:16,284 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:48:16,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:16 BoogieIcfgContainer [2018-10-27 00:48:16,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:48:16,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:48:16,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:48:16,296 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:48:16,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:16" (1/1) ... [2018-10-27 00:48:16,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:48:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-27 00:48:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-27 00:48:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 00:48:16,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:16,390 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-27 00:48:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:48:17,326 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-27 00:48:17,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:48:17 ImpRootNode [2018-10-27 00:48:17,347 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:48:17,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:48:17,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:48:17,348 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:48:17,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:16" (3/4) ... [2018-10-27 00:48:17,351 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 00:48:17,389 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_359564c4-9553-48f1-aa90-8c0366d2377d/bin-2019/ukojak/witness.graphml [2018-10-27 00:48:17,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:48:17,390 INFO L168 Benchmark]: Toolchain (without parser) took 3940.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:17,391 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:17,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.98 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:17,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.12 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:17,393 INFO L168 Benchmark]: Boogie Preprocessor took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:17,393 INFO L168 Benchmark]: RCFGBuilder took 2564.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:17,394 INFO L168 Benchmark]: CodeCheck took 1060.94 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:17,395 INFO L168 Benchmark]: Witness Printer took 42.25 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. [2018-10-27 00:48:17,399 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, 9 locations, 1 error locations. UNSAFE Result, 1.0s 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int x; [L11] float y, z; [L13] x = __VERIFIER_nondet_int() [L16] y = x*x - 4.f [L17] CALL __VERIFIER_assert(y != 0.f) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.98 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 33.12 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2564.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1060.94 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 42.25 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 incorrect! Received shutdown request...