./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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 0.1.23-5842f4b [2018-11-18 15:11:49,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:11:49,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:11:49,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:11:49,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:11:49,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:11:49,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:11:49,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:11:49,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:11:49,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:11:49,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:11:49,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:11:49,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:11:49,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:11:49,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:11:49,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:11:49,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:11:49,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:11:49,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:11:49,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:11:49,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:11:49,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:11:49,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:11:49,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:11:49,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:11:49,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:11:49,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:11:49,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:11:49,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:11:49,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:11:49,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:11:49,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:11:49,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:11:49,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:11:49,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:11:49,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:11:49,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:11:49,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:11:49,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:11:49,539 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:11:49,539 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:11:49,540 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:11:49,540 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:11:49,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:11:49,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:11:49,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:11:49,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:11:49,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:11:49,542 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:11:49,542 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:11:49,543 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:11:49,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:11:49,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:11:49,543 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_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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 [2018-11-18 15:11:49,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:11:49,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:11:49,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:11:49,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:11:49,581 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:11:49,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-18 15:11:49,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/6b70a0bc7/af3e6eec15ed4f0eb92a2bd534378937/FLAGea98d3fb4 [2018-11-18 15:11:49,962 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:11:49,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-18 15:11:49,968 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/6b70a0bc7/af3e6eec15ed4f0eb92a2bd534378937/FLAGea98d3fb4 [2018-11-18 15:11:50,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/6b70a0bc7/af3e6eec15ed4f0eb92a2bd534378937 [2018-11-18 15:11:50,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:11:50,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:11:50,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:50,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:11:50,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:11:50,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f35076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50, skipping insertion in model container [2018-11-18 15:11:50,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:11:50,409 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:11:50,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:50,515 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:11:50,527 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:50,536 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:11:50,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50 WrapperNode [2018-11-18 15:11:50,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:50,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:50,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:11:50,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:11:50,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:50,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:11:50,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:11:50,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:11:50,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:11:50,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:11:50,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:11:50,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:11:50,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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 [2018-11-18 15:11:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:11:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:11:50,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:11:50,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:50 BoogieIcfgContainer [2018-11-18 15:11:50,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:11:50,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:11:50,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:11:50,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:11:50,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 15:11:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 15:11:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 15:11:50,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:50,843 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 15:11:50,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:11:50 ImpRootNode [2018-11-18 15:11:50,855 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:11:50,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:11:50,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:11:50,855 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:11:50,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:50" (3/4) ... [2018-11-18 15:11:50,858 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:11:50,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:11:50,859 INFO L168 Benchmark]: Toolchain (without parser) took 477.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:50,860 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:50,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:50,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:50,862 INFO L168 Benchmark]: Boogie Preprocessor took 9.90 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:50,863 INFO L168 Benchmark]: RCFGBuilder took 163.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:50,863 INFO L168 Benchmark]: CodeCheck took 125.92 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:50,864 INFO L168 Benchmark]: Witness Printer took 3.40 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. [2018-11-18 15:11:50,868 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, 0.0s 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, 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 18.09 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.90 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 163.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 125.92 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.40 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:11:52,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:11:52,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:11:52,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:11:52,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:11:52,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:11:52,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:11:52,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:11:52,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:11:52,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:11:52,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:11:52,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:11:52,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:11:52,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:11:52,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:11:52,345 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:11:52,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:11:52,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:11:52,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:11:52,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:11:52,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:11:52,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:11:52,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:11:52,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:11:52,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:11:52,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:11:52,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:11:52,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:11:52,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:11:52,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:11:52,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:11:52,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:11:52,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:11:52,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:11:52,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:11:52,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:11:52,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 15:11:52,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:11:52,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:11:52,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:11:52,371 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:11:52,371 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:11:52,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:11:52,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:11:52,372 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:11:52,373 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:11:52,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:11:52,373 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:11:52,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:11:52,374 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:11:52,375 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:11:52,375 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_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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 [2018-11-18 15:11:52,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:11:52,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:11:52,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:11:52,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:11:52,414 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:11:52,414 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-18 15:11:52,451 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/7680b251c/ff97d590e5c04af3bdd3c12848428267/FLAGc3056ae3d [2018-11-18 15:11:52,768 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:11:52,768 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-18 15:11:52,772 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/7680b251c/ff97d590e5c04af3bdd3c12848428267/FLAGc3056ae3d [2018-11-18 15:11:53,211 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/data/7680b251c/ff97d590e5c04af3bdd3c12848428267 [2018-11-18 15:11:53,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:11:53,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:11:53,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:53,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:11:53,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:11:53,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b6a25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53, skipping insertion in model container [2018-11-18 15:11:53,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:11:53,238 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:11:53,376 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:53,381 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:11:53,394 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:53,405 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:11:53,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53 WrapperNode [2018-11-18 15:11:53,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:53,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:53,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:11:53,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:11:53,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:53,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:11:53,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:11:53,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:11:53,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... [2018-11-18 15:11:53,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:11:53,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:11:53,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:11:53,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:11:53,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/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 [2018-11-18 15:11:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:11:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:11:55,450 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:11:55,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:55 BoogieIcfgContainer [2018-11-18 15:11:55,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:11:55,451 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:11:55,451 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:11:55,461 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:11:55,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:55" (1/1) ... [2018-11-18 15:11:55,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 15:11:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 15:11:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 15:11:55,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:55,537 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 15:11:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:11:56,320 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 15:11:56,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:11:56 ImpRootNode [2018-11-18 15:11:56,341 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:11:56,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:11:56,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:11:56,343 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:11:56,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:55" (3/4) ... [2018-11-18 15:11:56,346 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:11:56,388 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cce38ebb-4e90-409d-b52e-a0b1fa66058d/bin-2019/ukojak/witness.graphml [2018-11-18 15:11:56,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:11:56,389 INFO L168 Benchmark]: Toolchain (without parser) took 3174.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:56,391 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-18 15:11:56,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.69 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,393 INFO L168 Benchmark]: Boogie Preprocessor took 14.16 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:56,394 INFO L168 Benchmark]: RCFGBuilder took 2003.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,395 INFO L168 Benchmark]: CodeCheck took 890.95 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:56,395 INFO L168 Benchmark]: Witness Printer took 46.42 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. [2018-11-18 15:11:56,399 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, 0.8s 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, 0.4s 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 0.13 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 190.41 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 25.69 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.16 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2003.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 890.95 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.42 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 proved your program to be incorrect! Received shutdown request...