./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int_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_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 0a264ac1dee459017a9965df88403c901cb7750b ............................................................................................................................................................................................................ 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_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 0a264ac1dee459017a9965df88403c901cb7750b ...................................................................................................................................................................................................................... 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 04:55:08,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:55:08,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:55:08,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:55:08,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:55:08,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:55:08,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:55:08,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:55:08,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:55:08,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:55:08,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:55:08,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:55:08,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:55:08,126 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:55:08,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:55:08,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:55:08,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:55:08,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:55:08,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:55:08,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:55:08,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:55:08,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:55:08,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:55:08,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:55:08,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:55:08,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:55:08,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:55:08,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:55:08,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:55:08,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:55:08,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:55:08,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:55:08,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:55:08,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:55:08,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:55:08,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:55:08,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:55:08,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:55:08,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:55:08,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:55:08,148 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:55:08,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:55:08,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:55:08,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:55:08,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:55:08,149 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:55:08,149 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:55:08,150 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:55:08,151 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:55:08,151 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:55:08,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:55:08,151 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:55:08,151 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:55:08,151 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:55:08,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:55:08,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:55:08,152 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:55:08,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:55:08,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:55:08,152 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_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 -> 0a264ac1dee459017a9965df88403c901cb7750b [2018-11-10 04:55:08,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:55:08,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:55:08,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:55:08,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:55:08,181 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:55:08,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-11-10 04:55:08,217 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/e2e7a40ea/0f871877521443159a7abe713733e5c9/FLAGf2e116d36 [2018-11-10 04:55:08,512 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:55:08,512 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-11-10 04:55:08,516 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/e2e7a40ea/0f871877521443159a7abe713733e5c9/FLAGf2e116d36 [2018-11-10 04:55:08,525 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/e2e7a40ea/0f871877521443159a7abe713733e5c9 [2018-11-10 04:55:08,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:55:08,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:55:08,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:55:08,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:55:08,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:55:08,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08, skipping insertion in model container [2018-11-10 04:55:08,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:55:08,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:55:08,646 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:55:08,648 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:55:08,657 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:55:08,664 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:55:08,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08 WrapperNode [2018-11-10 04:55:08,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:55:08,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:55:08,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:55:08,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:55:08,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:55:08,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:55:08,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:55:08,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:55:08,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:55:08,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:55:08,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:55:08,702 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:55:08,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 04:55:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:55:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:55:08,893 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:55:08,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:08 BoogieIcfgContainer [2018-11-10 04:55:08,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:55:08,894 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:55:08,894 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:55:08,903 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:55:08,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:08" (1/1) ... [2018-11-10 04:55:08,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:55:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 04:55:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 04:55:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:55:08,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:09,044 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 04:55:09,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:55:09 ImpRootNode [2018-11-10 04:55:09,061 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:55:09,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:55:09,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:55:09,062 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:55:09,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:08" (3/4) ... [2018-11-10 04:55:09,065 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:55:09,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:55:09,066 INFO L168 Benchmark]: Toolchain (without parser) took 538.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:09,068 INFO L168 Benchmark]: CDTParser took 0.11 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 04:55:09,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.22 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 04:55:09,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.65 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 04:55:09,070 INFO L168 Benchmark]: Boogie Preprocessor took 12.57 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 04:55:09,070 INFO L168 Benchmark]: RCFGBuilder took 191.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:09,071 INFO L168 Benchmark]: CodeCheck took 166.54 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: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:09,072 INFO L168 Benchmark]: Witness Printer took 4.68 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 04:55:09,076 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: 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 19, overapproximation of someBinaryArithmeticFLOAToperation at line 18. Possible FailurePath: [L12] int x; [L13] float y, z; [L15] x = __VERIFIER_nondet_int() [L18] y = x*x - 2.f [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 0.11 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 136.22 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 23.65 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 12.57 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 191.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 166.54 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: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.68 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 04:55:10,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:55:10,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:55:10,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:55:10,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:55:10,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:55:10,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:55:10,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:55:10,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:55:10,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:55:10,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:55:10,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:55:10,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:55:10,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:55:10,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:55:10,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:55:10,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:55:10,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:55:10,513 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:55:10,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:55:10,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:55:10,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:55:10,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:55:10,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:55:10,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:55:10,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:55:10,519 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:55:10,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:55:10,520 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:55:10,521 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:55:10,521 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:55:10,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:55:10,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:55:10,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:55:10,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:55:10,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:55:10,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:55:10,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:55:10,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:55:10,534 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:55:10,535 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:55:10,535 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:55:10,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:55:10,535 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:55:10,535 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:55:10,536 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:55:10,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:55:10,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:55:10,537 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:55:10,537 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:55:10,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:55:10,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:55:10,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:55:10,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:55:10,538 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:55:10,539 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:55:10,539 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_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 -> 0a264ac1dee459017a9965df88403c901cb7750b [2018-11-10 04:55:10,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:55:10,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:55:10,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:55:10,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:55:10,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:55:10,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-11-10 04:55:10,630 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/08fb2f72c/a57233f42ec44a4ab1a2aa36cb507954/FLAGb3a51217c [2018-11-10 04:55:10,952 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:55:10,952 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/sv-benchmarks/c/float-benchs/inv_square_int_true-unreach-call_true-termination.c [2018-11-10 04:55:10,956 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/08fb2f72c/a57233f42ec44a4ab1a2aa36cb507954/FLAGb3a51217c [2018-11-10 04:55:10,964 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/data/08fb2f72c/a57233f42ec44a4ab1a2aa36cb507954 [2018-11-10 04:55:10,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:55:10,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:55:10,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:55:10,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:55:10,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:55:10,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:55:10" (1/1) ... [2018-11-10 04:55:10,973 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 04:55:10, skipping insertion in model container [2018-11-10 04:55:10,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:55:10" (1/1) ... [2018-11-10 04:55:10,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:55:10,993 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:55:11,100 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:55:11,105 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:55:11,118 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:55:11,127 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:55:11,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11 WrapperNode [2018-11-10 04:55:11,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:55:11,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:55:11,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:55:11,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:55:11,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:55:11,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:55:11,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:55:11,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:55:11,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... [2018-11-10 04:55:11,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:55:11,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:55:11,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:55:11,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:55:11,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:55:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/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 04:55:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:55:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:55:13,759 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:55:13,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:13 BoogieIcfgContainer [2018-11-10 04:55:13,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:55:13,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:55:13,760 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:55:13,769 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:55:13,769 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:13" (1/1) ... [2018-11-10 04:55:13,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:55:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 04:55:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 04:55:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:55:13,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:13,834 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:55:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:14,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:55:14,942 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 04:55:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-10 04:55:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-10 04:55:15,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:55:15,525 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 04:55:15,531 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:55:15,536 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:55:15,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:55:15 ImpRootNode [2018-11-10 04:55:15,538 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:55:15,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:55:15,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:55:15,539 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:55:15,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:55:13" (3/4) ... [2018-11-10 04:55:15,542 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:55:15,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:55:15,549 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 04:55:15,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:55:15,576 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22f5b777-1c86-4f2f-b98e-e38413be5caa/bin-2019/ukojak/witness.graphml [2018-11-10 04:55:15,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:55:15,577 INFO L168 Benchmark]: Toolchain (without parser) took 4610.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:15,578 INFO L168 Benchmark]: CDTParser took 0.17 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 04:55:15,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:15,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.47 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 04:55:15,579 INFO L168 Benchmark]: Boogie Preprocessor took 15.55 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 04:55:15,580 INFO L168 Benchmark]: RCFGBuilder took 2593.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:15,580 INFO L168 Benchmark]: CodeCheck took 1778.45 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:15,581 INFO L168 Benchmark]: Witness Printer took 37.97 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:15,583 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. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.6s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 5 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: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 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 21.47 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 15.55 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 2593.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1778.45 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 37.97 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...