./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_true-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_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ........................................................................................................................................................................................................... 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_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:52:57,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:52:57,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:52:57,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:52:57,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:52:57,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:52:57,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:52:57,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:52:57,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:52:57,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:52:57,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:52:57,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:52:57,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:52:57,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:52:57,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:52:57,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:52:57,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:52:57,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:52:57,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:52:57,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:52:57,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:52:57,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:52:57,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:52:57,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:52:57,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:52:57,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:52:57,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:52:57,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:52:57,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:52:57,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:52:57,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:52:57,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:52:57,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:52:57,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:52:57,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:52:57,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:52:57,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:52:57,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:52:57,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:52:57,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:52:57,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:52:57,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:52:57,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:52:57,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:52:57,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:52:57,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:52:57,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:52:57,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:52:57,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:52:57,153 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:52:57,153 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:52:57,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:52:57,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:52:57,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:52:57,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:52:57,155 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_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2018-11-10 10:52:57,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:52:57,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:52:57,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:52:57,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:52:57,185 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:52:57,185 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-11-10 10:52:57,220 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/f657d848d/2237f5a89a7148ee974229dbc0155d61/FLAG8b3561215 [2018-11-10 10:52:57,614 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:52:57,614 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-11-10 10:52:57,619 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/f657d848d/2237f5a89a7148ee974229dbc0155d61/FLAG8b3561215 [2018-11-10 10:52:57,627 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/f657d848d/2237f5a89a7148ee974229dbc0155d61 [2018-11-10 10:52:57,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:52:57,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:52:57,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:57,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:52:57,634 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:52:57,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57, skipping insertion in model container [2018-11-10 10:52:57,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:52:57,654 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:52:57,756 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:57,758 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:52:57,767 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:57,775 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:52:57,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57 WrapperNode [2018-11-10 10:52:57,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:57,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:57,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:52:57,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:52:57,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:57,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:52:57,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:52:57,802 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:52:57,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... [2018-11-10 10:52:57,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:52:57,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:52:57,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:52:57,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:52:57,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 10:52:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:52:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:52:58,024 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:52:58,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:58 BoogieIcfgContainer [2018-11-10 10:52:58,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:52:58,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:52:58,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:52:58,036 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:52:58,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:58" (1/1) ... [2018-11-10 10:52:58,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 10:52:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 10:52:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:52:58,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:58,175 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 10:52:58,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:52:58 ImpRootNode [2018-11-10 10:52:58,191 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:52:58,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:52:58,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:52:58,192 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:52:58,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:58" (3/4) ... [2018-11-10 10:52:58,196 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:52:58,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:52:58,196 INFO L168 Benchmark]: Toolchain (without parser) took 567.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:52:58,198 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 10:52:58,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:58,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:52:58,200 INFO L168 Benchmark]: Boogie Preprocessor took 12.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:58,200 INFO L168 Benchmark]: RCFGBuilder took 210.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:58,201 INFO L168 Benchmark]: CodeCheck took 165.76 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:58,202 INFO L168 Benchmark]: Witness Printer took 4.42 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:58,206 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, 11 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 8]: 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 18. Possible FailurePath: [L12] float x, y, z; [L14] x = __VERIFIER_nondet_float() [L17] COND TRUE x <= -1e-20f || x >= 1e-20f [L18] y = x * x [L19] CALL __VERIFIER_assert(y != 0.f) [L8] COND TRUE !(cond) [L8] __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 144.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 165.76 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.42 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:52:59,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:52:59,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:52:59,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:52:59,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:52:59,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:52:59,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:52:59,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:52:59,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:52:59,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:52:59,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:52:59,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:52:59,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:52:59,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:52:59,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:52:59,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:52:59,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:52:59,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:52:59,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:52:59,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:52:59,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:52:59,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:52:59,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:52:59,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:52:59,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:52:59,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:52:59,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:52:59,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:52:59,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:52:59,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:52:59,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:52:59,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:52:59,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:52:59,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:52:59,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:52:59,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:52:59,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 10:52:59,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:52:59,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:52:59,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:52:59,690 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:52:59,691 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:52:59,691 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:52:59,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:52:59,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:52:59,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:52:59,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:52:59,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:52:59,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:52:59,692 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:52:59,693 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:52:59,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:52:59,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:52:59,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:52:59,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:52:59,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:52:59,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:52:59,694 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 10:52:59,694 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:52:59,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:52:59,694 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:52:59,694 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:52:59,694 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_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 -> 9b5f8c7f8f0f24b8f3c006680a1188ad2ebf7298 [2018-11-10 10:52:59,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:52:59,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:52:59,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:52:59,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:52:59,732 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:52:59,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-11-10 10:52:59,772 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/75cc99814/43e1288499014a28a2303a1dd41d86fd/FLAG67bd26fe2 [2018-11-10 10:53:00,082 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:53:00,082 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/sv-benchmarks/c/float-benchs/inv_square_true-unreach-call_true-termination.c [2018-11-10 10:53:00,086 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/75cc99814/43e1288499014a28a2303a1dd41d86fd/FLAG67bd26fe2 [2018-11-10 10:53:00,094 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/data/75cc99814/43e1288499014a28a2303a1dd41d86fd [2018-11-10 10:53:00,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:53:00,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:53:00,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:53:00,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:53:00,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:53:00,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f073077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00, skipping insertion in model container [2018-11-10 10:53:00,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:53:00,126 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:53:00,239 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:53:00,244 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:53:00,253 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:53:00,262 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:53:00,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00 WrapperNode [2018-11-10 10:53:00,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:53:00,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:53:00,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:53:00,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:53:00,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:53:00,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:53:00,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:53:00,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:53:00,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... [2018-11-10 10:53:00,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:53:00,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:53:00,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:53:00,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:53:00,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/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 10:53:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:53:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:53:01,052 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:53:01,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:01 BoogieIcfgContainer [2018-11-10 10:53:01,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:53:01,053 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:53:01,053 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:53:01,061 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:53:01,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:01" (1/1) ... [2018-11-10 10:53:01,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:53:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 10:53:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 10:53:01,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:53:01,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:01,126 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 10:53:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:01,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:53:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 10:53:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 10:53:04,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:53:04,185 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 10:53:04,192 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:53:04,210 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:53:04,212 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:53:04,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:53:04 ImpRootNode [2018-11-10 10:53:04,213 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:53:04,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:53:04,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:53:04,214 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:53:04,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:53:01" (3/4) ... [2018-11-10 10:53:04,217 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:53:04,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 10:53:04,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:53:04,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:53:04,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bdff55d2-e2fa-412a-8427-aca132a2a0c1/bin-2019/ukojak/witness.graphml [2018-11-10 10:53:04,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:53:04,252 INFO L168 Benchmark]: Toolchain (without parser) took 4155.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:53:04,253 INFO L168 Benchmark]: CDTParser took 0.11 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 10:53:04,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:04,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:53:04,254 INFO L168 Benchmark]: Boogie Preprocessor took 13.02 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:04,255 INFO L168 Benchmark]: RCFGBuilder took 755.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:04,255 INFO L168 Benchmark]: CodeCheck took 3160.40 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:04,256 INFO L168 Benchmark]: Witness Printer took 38.19 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 10:53:04,258 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, 11 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 164.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.02 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 755.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3160.40 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: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.19 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 correct! Received shutdown request...