./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a552ed0b53624bc27612451ed4207d0101db39b ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:09:17,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:17,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:17,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:17,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:17,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:17,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:17,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:17,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:17,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:17,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:17,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:17,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:17,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:17,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:17,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:17,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:17,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:17,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:17,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:17,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:17,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:17,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:17,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:17,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:17,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:17,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:17,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:17,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:17,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:17,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:17,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:17,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:17,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:17,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:17,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:17,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:09:17,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:17,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:17,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:17,152 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:17,153 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:17,153 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:17,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:17,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:09:17,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:09:17,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:17,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:17,155 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:09:17,155 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:09:17,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:17,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:17,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:09:17,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:17,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:17,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:17,156 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:09:17,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:17,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:09:17,156 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_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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 [2018-11-10 07:09:17,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:17,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:17,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:17,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:17,189 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:17,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-10 07:09:17,223 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/f370273df/0bdd1f924e8f4435bea4c7c95d27ed28/FLAGc627ce284 [2018-11-10 07:09:17,610 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:17,610 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-10 07:09:17,614 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/f370273df/0bdd1f924e8f4435bea4c7c95d27ed28/FLAGc627ce284 [2018-11-10 07:09:17,622 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/f370273df/0bdd1f924e8f4435bea4c7c95d27ed28 [2018-11-10 07:09:17,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:17,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:09:17,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:17,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:17,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:17,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505fd6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17, skipping insertion in model container [2018-11-10 07:09:17,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:17,650 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:17,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:17,746 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:17,755 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:17,762 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:17,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17 WrapperNode [2018-11-10 07:09:17,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:17,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:17,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:09:17,763 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:09:17,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:17,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:17,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:17,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:17,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:17,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:17,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:17,799 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:17,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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 [2018-11-10 07:09:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:17,972 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:17,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:17 BoogieIcfgContainer [2018-11-10 07:09:17,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:17,973 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:09:17,973 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:09:17,982 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:09:17,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:17" (1/1) ... [2018-11-10 07:09:17,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:09:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:09:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:09:18,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:09:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:18,115 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:09:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:09:18 ImpRootNode [2018-11-10 07:09:18,132 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:09:18,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:18,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:18,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:18,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:17" (3/4) ... [2018-11-10 07:09:18,136 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:09:18,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:18,137 INFO L168 Benchmark]: Toolchain (without parser) took 510.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:18,138 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:18,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:18,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:18,140 INFO L168 Benchmark]: Boogie Preprocessor took 10.38 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:18,140 INFO L168 Benchmark]: RCFGBuilder took 173.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:18,141 INFO L168 Benchmark]: CodeCheck took 159.09 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. [2018-11-10 07:09:18,142 INFO L168 Benchmark]: Witness Printer took 4.04 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. [2018-11-10 07:09:18,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 16. Possible FailurePath: [L10] int x; [L11] float y, z; [L13] x = __VERIFIER_nondet_int() [L16] y = x*x - 4.f [L17] CALL __VERIFIER_assert(y != 0.f) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.84 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.38 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 159.09 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 4.04 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 0.1.23-1dbac8b [2018-11-10 07:09:19,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:19,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:19,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:19,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:19,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:19,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:19,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:19,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:19,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:19,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:19,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:19,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:19,561 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:19,562 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:19,563 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:19,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:19,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:19,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:19,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:19,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:19,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:19,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:19,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:19,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:19,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:19,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:19,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:19,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:19,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:19,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:19,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:19,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:19,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:19,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:19,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:19,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:09:19,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:19,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:19,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:19,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:19,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:19,589 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:09:19,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:19,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:09:19,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:09:19,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:19,591 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:09:19,591 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:09:19,591 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_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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 [2018-11-10 07:09:19,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:19,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:19,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:19,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:19,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:19,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-10 07:09:19,663 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/2c8d404d6/f6643e61c2cc49b88ccbacb6cf33bf99/FLAG78e47d3b8 [2018-11-10 07:09:20,049 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:20,050 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/sv-benchmarks/c/float-benchs/float_int_inv_square_false-unreach-call_true-termination.c [2018-11-10 07:09:20,053 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/2c8d404d6/f6643e61c2cc49b88ccbacb6cf33bf99/FLAG78e47d3b8 [2018-11-10 07:09:20,061 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/data/2c8d404d6/f6643e61c2cc49b88ccbacb6cf33bf99 [2018-11-10 07:09:20,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:20,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:09:20,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:20,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:20,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:20,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ff5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20, skipping insertion in model container [2018-11-10 07:09:20,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:20,088 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:20,188 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:20,191 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:20,201 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:20,210 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:20,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20 WrapperNode [2018-11-10 07:09:20,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:20,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:20,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:09:20,211 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:09:20,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:09:20,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:20,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:20,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:20,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:20,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:20,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:20,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:20,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/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 [2018-11-10 07:09:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:22,099 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:22,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:22 BoogieIcfgContainer [2018-11-10 07:09:22,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:22,099 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:09:22,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:09:22,106 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:09:22,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:22" (1/1) ... [2018-11-10 07:09:22,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:09:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:09:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:09:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:09:22,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:09:22,170 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 07:09:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:09:22,835 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:09:22,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:09:22 ImpRootNode [2018-11-10 07:09:22,851 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:09:22,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:22,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:22,851 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:22,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:22" (3/4) ... [2018-11-10 07:09:22,853 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 07:09:22,879 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2dcd64fd-a1ae-4aa0-9601-74ec69007631/bin-2019/ukojak/witness.graphml [2018-11-10 07:09:22,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:22,880 INFO L168 Benchmark]: Toolchain (without parser) took 2816.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:22,881 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-10 07:09:22,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.05 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. [2018-11-10 07:09:22,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:22,882 INFO L168 Benchmark]: Boogie Preprocessor took 12.76 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. [2018-11-10 07:09:22,882 INFO L168 Benchmark]: RCFGBuilder took 1855.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:22,883 INFO L168 Benchmark]: CodeCheck took 751.56 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. [2018-11-10 07:09:22,883 INFO L168 Benchmark]: Witness Printer took 28.40 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. [2018-11-10 07:09:22,886 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, 0.7s 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 [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 0.10 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 146.05 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 19.62 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.76 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. * RCFGBuilder took 1855.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 751.56 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 28.40 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 proved your program to be incorrect! Received shutdown request...