./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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 0.1.23-635dfa2 [2018-12-08 11:30:41,548 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:30:41,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:30:41,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:30:41,557 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:30:41,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:30:41,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:30:41,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:30:41,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:30:41,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:30:41,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:30:41,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:30:41,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:30:41,561 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:30:41,562 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:30:41,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:30:41,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:30:41,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:30:41,565 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:30:41,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:30:41,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:30:41,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:30:41,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:30:41,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:30:41,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:30:41,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:30:41,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:30:41,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:30:41,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:30:41,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:30:41,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:30:41,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:30:41,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:30:41,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:30:41,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:30:41,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:30:41,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 11:30:41,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:30:41,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:30:41,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:30:41,580 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:30:41,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:30:41,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:30:41,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:30:41,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:30:41,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:30:41,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:30:41,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:30:41,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:30:41,583 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:30:41,583 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:30:41,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:30:41,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:30:41,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:30:41,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:30:41,585 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_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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 [2018-12-08 11:30:41,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:30:41,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:30:41,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:30:41,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:30:41,610 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:30:41,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-12-08 11:30:41,642 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/6d9bb2c9a/2eba05fa1f4e4c91932b8427b6c44be6/FLAGfe5d10edc [2018-12-08 11:30:42,009 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:30:42,009 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-12-08 11:30:42,013 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/6d9bb2c9a/2eba05fa1f4e4c91932b8427b6c44be6/FLAGfe5d10edc [2018-12-08 11:30:42,021 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/6d9bb2c9a/2eba05fa1f4e4c91932b8427b6c44be6 [2018-12-08 11:30:42,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:30:42,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:30:42,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:42,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:30:42,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:30:42,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42, skipping insertion in model container [2018-12-08 11:30:42,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:30:42,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:30:42,122 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:42,124 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:30:42,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:42,140 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:30:42,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42 WrapperNode [2018-12-08 11:30:42,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:42,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:42,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:30:42,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:30:42,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:42,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:30:42,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:30:42,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:30:42,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:30:42,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:30:42,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:30:42,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:30:42,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:30:42,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:30:42,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:30:42,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:30:42,308 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 11:30:42,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:42 BoogieIcfgContainer [2018-12-08 11:30:42,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:30:42,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:30:42,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:30:42,316 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:30:42,316 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:42" (1/1) ... [2018-12-08 11:30:42,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:30:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 11:30:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 11:30:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 11:30:42,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:42,423 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-08 11:30:42,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:30:42 ImpRootNode [2018-12-08 11:30:42,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:30:42,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:30:42,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:30:42,435 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:30:42,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:42" (3/4) ... [2018-12-08 11:30:42,438 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:30:42,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:30:42,438 INFO L168 Benchmark]: Toolchain (without parser) took 415.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:42,439 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:42,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.32 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:42,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:42,440 INFO L168 Benchmark]: Boogie Preprocessor took 39.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:42,441 INFO L168 Benchmark]: RCFGBuilder took 110.20 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:42,441 INFO L168 Benchmark]: CodeCheck took 125.38 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:42,442 INFO L168 Benchmark]: Witness Printer took 3.09 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. [2018-12-08 11:30:42,444 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, 8 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 [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.32 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 110.20 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * CodeCheck took 125.38 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 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 0.1.23-635dfa2 [2018-12-08 11:30:43,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:30:43,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:30:43,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:30:43,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:30:43,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:30:43,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:30:43,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:30:43,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:30:43,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:30:43,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:30:43,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:30:43,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:30:43,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:30:43,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:30:43,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:30:43,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:30:43,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:30:43,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:30:43,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:30:43,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:30:43,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:30:43,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:30:43,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:30:43,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:30:43,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:30:43,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:30:43,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:30:43,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:30:43,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:30:43,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:30:43,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:30:43,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:30:43,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:30:43,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:30:43,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:30:43,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 11:30:43,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:30:43,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:30:43,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:30:43,869 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:30:43,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:30:43,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:30:43,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:30:43,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:30:43,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:30:43,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:30:43,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:30:43,871 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:30:43,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:30:43,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 11:30:43,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:30:43,873 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 11:30:43,873 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 11:30:43,873 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_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/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 [2018-12-08 11:30:43,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:30:43,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:30:43,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:30:43,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:30:43,911 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:30:43,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-12-08 11:30:43,956 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/fe7cb9479/b7899b0d24f243aea61cbd25925d86fb/FLAGb05471ffe [2018-12-08 11:30:44,335 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:30:44,335 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-12-08 11:30:44,339 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/fe7cb9479/b7899b0d24f243aea61cbd25925d86fb/FLAGb05471ffe [2018-12-08 11:30:44,348 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/data/fe7cb9479/b7899b0d24f243aea61cbd25925d86fb [2018-12-08 11:30:44,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:30:44,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:30:44,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:44,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:30:44,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:30:44,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265c0857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44, skipping insertion in model container [2018-12-08 11:30:44,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:30:44,374 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:30:44,464 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:44,468 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:30:44,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:30:44,485 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:30:44,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44 WrapperNode [2018-12-08 11:30:44,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:30:44,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:44,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:30:44,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:30:44,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:30:44,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:30:44,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:30:44,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:30:44,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... [2018-12-08 11:30:44,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:30:44,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:30:44,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:30:44,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:30:44,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:30:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:30:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:30:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:30:46,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:30:46,422 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 11:30:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:46 BoogieIcfgContainer [2018-12-08 11:30:46,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:30:46,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:30:46,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:30:46,430 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:30:46,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:46" (1/1) ... [2018-12-08 11:30:46,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:30:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:30:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 11:30:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 11:30:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 11:30:46,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:30:46,490 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 11:30:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:30:47,304 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-08 11:30:47,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:30:47 ImpRootNode [2018-12-08 11:30:47,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:30:47,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:30:47,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:30:47,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:30:47,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:30:46" (3/4) ... [2018-12-08 11:30:47,319 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 11:30:47,341 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0fcfa1e-e871-43cd-a4c4-0e577aaa119e/bin-2019/ukojak/witness.graphml [2018-12-08 11:30:47,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:30:47,342 INFO L168 Benchmark]: Toolchain (without parser) took 2991.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:47,343 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:47,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.19 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:47,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:30:47,343 INFO L168 Benchmark]: Boogie Preprocessor took 13.27 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:47,344 INFO L168 Benchmark]: RCFGBuilder took 1902.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:47,344 INFO L168 Benchmark]: CodeCheck took 893.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:30:47,344 INFO L168 Benchmark]: Witness Printer took 24.38 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. [2018-12-08 11:30:47,346 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, 8 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, 0.3s 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 [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.19 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 20.05 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.27 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1902.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 893.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 24.38 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...