./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/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 b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 ............................................................................................................................................................................................................................................... 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_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/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 b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:13:38,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:13:38,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:13:38,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:13:38,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:13:38,835 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:13:38,836 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:13:38,838 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:13:38,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:13:38,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:13:38,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:13:38,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:13:38,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:13:38,842 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:13:38,843 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:13:38,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:13:38,844 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:13:38,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:13:38,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:13:38,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:13:38,848 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:13:38,849 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:13:38,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:13:38,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:13:38,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:13:38,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:13:38,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:13:38,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:13:38,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:13:38,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:13:38,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:13:38,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:13:38,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:13:38,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:13:38,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:13:38,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:13:38,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:13:38,866 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:13:38,866 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:13:38,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:13:38,866 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:13:38,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:13:38,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:13:38,867 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:13:38,868 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:13:38,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:13:38,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:13:38,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:13:38,869 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:13:38,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:13:38,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:13:38,869 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_c0d6d619-c15d-47da-874c-ec642f2bd844/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 -> b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 [2018-12-08 16:13:38,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:13:38,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:13:38,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:13:38,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:13:38,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:13:38,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-08 16:13:38,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/924655c1f/2fd93d6ec6494d7c9d7456db67c3b6e7/FLAG1816e2188 [2018-12-08 16:13:39,355 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:13:39,356 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-08 16:13:39,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/924655c1f/2fd93d6ec6494d7c9d7456db67c3b6e7/FLAG1816e2188 [2018-12-08 16:13:39,367 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/924655c1f/2fd93d6ec6494d7c9d7456db67c3b6e7 [2018-12-08 16:13:39,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:13:39,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:13:39,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:13:39,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:13:39,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:13:39,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39, skipping insertion in model container [2018-12-08 16:13:39,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:13:39,387 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:13:39,479 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:13:39,481 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:13:39,496 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:13:39,508 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:13:39,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39 WrapperNode [2018-12-08 16:13:39,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:13:39,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:13:39,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:13:39,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:13:39,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:13:39,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:13:39,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:13:39,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:13:39,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:13:39,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:13:39,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:13:39,576 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:13:39,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:13:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 16:13:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 16:13:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 16:13:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:13:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:13:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:13:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:13:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:13:39,841 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:13:39,841 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 16:13:39,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:39 BoogieIcfgContainer [2018-12-08 16:13:39,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:13:39,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:13:39,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:13:39,850 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:13:39,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:39" (1/1) ... [2018-12-08 16:13:39,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:13:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 16:13:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 16:13:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 16:13:39,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:13:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-08 16:13:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-08 16:13:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:13:39,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:13:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:13:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:13:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:13:40,050 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 16:13:40,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:13:40 ImpRootNode [2018-12-08 16:13:40,068 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:13:40,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:13:40,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:13:40,068 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:13:40,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:39" (3/4) ... [2018-12-08 16:13:40,071 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:13:40,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:13:40,072 INFO L168 Benchmark]: Toolchain (without parser) took 702.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -85.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:13:40,073 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:13:40,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.53 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:13:40,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:13:40,074 INFO L168 Benchmark]: Boogie Preprocessor took 16.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:13:40,074 INFO L168 Benchmark]: RCFGBuilder took 266.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:13:40,074 INFO L168 Benchmark]: CodeCheck took 225.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:13:40,075 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:13:40,077 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 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 79. Possible FailurePath: [L79] double x = -0.0; [L80] double y = 0.0; [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L24] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; [L52] RET, EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.53 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 50.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 266.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * CodeCheck took 225.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:13:41,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:13:41,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:13:41,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:13:41,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:13:41,430 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:13:41,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:13:41,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:13:41,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:13:41,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:13:41,434 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:13:41,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:13:41,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:13:41,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:13:41,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:13:41,436 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:13:41,437 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:13:41,438 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:13:41,439 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:13:41,440 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:13:41,441 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:13:41,442 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:13:41,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:13:41,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:13:41,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:13:41,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:13:41,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:13:41,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:13:41,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:13:41,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:13:41,446 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:13:41,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:13:41,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:13:41,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:13:41,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:13:41,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:13:41,448 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 16:13:41,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:13:41,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:13:41,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:13:41,458 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:13:41,459 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:13:41,459 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:13:41,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:13:41,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:13:41,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:13:41,461 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:13:41,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:13:41,461 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:13:41,461 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:13:41,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:13:41,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:13:41,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:13:41,462 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:13:41,462 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:13:41,462 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_c0d6d619-c15d-47da-874c-ec642f2bd844/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 -> b649b8f673a0a47da0b16e77db6ba5e693ee3ba7 [2018-12-08 16:13:41,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:13:41,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:13:41,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:13:41,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:13:41,499 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:13:41,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-08 16:13:41,543 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/6058cb310/2b20055820af4f1b9dfaa314e9a1233b/FLAGb123a78eb [2018-12-08 16:13:41,918 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:13:41,919 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/sv-benchmarks/c/float-newlib/double_req_bl_1252a_true-unreach-call.c [2018-12-08 16:13:41,923 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/6058cb310/2b20055820af4f1b9dfaa314e9a1233b/FLAGb123a78eb [2018-12-08 16:13:41,930 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/data/6058cb310/2b20055820af4f1b9dfaa314e9a1233b [2018-12-08 16:13:41,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:13:41,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:13:41,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:13:41,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:13:41,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:13:41,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:13:41" (1/1) ... [2018-12-08 16:13:41,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:41, skipping insertion in model container [2018-12-08 16:13:41,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:13:41" (1/1) ... [2018-12-08 16:13:41,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:13:41,951 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:13:42,045 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:13:42,048 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:13:42,065 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:13:42,081 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:13:42,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42 WrapperNode [2018-12-08 16:13:42,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:13:42,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:13:42,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:13:42,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:13:42,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:13:42,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:13:42,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:13:42,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:13:42,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:13:42,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:13:42,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:13:42,159 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:13:42,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:13:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-08 16:13:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:13:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:13:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:13:42,307 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:13:42,376 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:13:42,478 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:13:42,478 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 16:13:42,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:42 BoogieIcfgContainer [2018-12-08 16:13:42,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:13:42,479 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:13:42,479 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:13:42,485 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:13:42,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:42" (1/1) ... [2018-12-08 16:13:42,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:13:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-08 16:13:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-08 16:13:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:13:42,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:42,548 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:42,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:13:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-08 16:13:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-08 16:13:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 16:13:42,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:42,590 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:42,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:13:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-08 16:13:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-08 16:13:42,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:13:42,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:42,715 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:42,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:13:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-08 16:13:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-08 16:13:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:13:42,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:42,733 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:42,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:13:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2018-12-08 16:13:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-08 16:13:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:13:43,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:43,125 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:43,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 16:13:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:13:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 29 transitions. [2018-12-08 16:13:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-12-08 16:13:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:13:43,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:13:43,601 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:13:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:13:43,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:13:43,711 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:13:43,712 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:13:43,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-08 16:13:43,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-08 16:13:43,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:13:43,769 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-08 16:13:43,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-08 16:13:43,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 16:13:43,776 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:13:43,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:13:43,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:13:43,786 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-08 16:13:52,831 WARN L180 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 4205 DAG size of output: 221 [2018-12-08 16:13:53,381 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:13:53,382 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:13:53,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-08 16:13:53,432 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-08 16:13:53,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:13:53,449 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-08 16:13:53,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-08 16:13:53,464 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 16:13:53,471 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:13:53,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:13:53,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 16:13:53,488 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-08 16:14:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 16:14:00,928 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-12-08 16:14:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:14:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 18 transitions. [2018-12-08 16:14:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-08 16:14:01,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:14:01,721 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-08 16:14:01,727 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 16:14:01,964 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-12-08 16:14:01,968 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:14:01,970 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:14:01,970 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 16:14:01,974 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:14:01,974 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:14:01,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:14:01 ImpRootNode [2018-12-08 16:14:01,974 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:14:01,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:14:01,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:14:01,975 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:14:01,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:13:42" (3/4) ... [2018-12-08 16:14:01,977 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:14:01,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-08 16:14:01,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-08 16:14:01,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 16:14:01,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:14:02,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-08 16:14:02,018 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0d6d619-c15d-47da-874c-ec642f2bd844/bin-2019/ukojak/witness.graphml [2018-12-08 16:14:02,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:14:02,019 INFO L168 Benchmark]: Toolchain (without parser) took 20086.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -233.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,019 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:14:02,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.49 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:14:02,020 INFO L168 Benchmark]: Boogie Preprocessor took 53.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,020 INFO L168 Benchmark]: RCFGBuilder took 319.68 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,020 INFO L168 Benchmark]: CodeCheck took 19495.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.2 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,020 INFO L168 Benchmark]: Witness Printer took 43.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:14:02,022 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 2 procedures, 29 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 40 SDslu, 32 SDs, 0 SdLazy, 804 SolverSat, 300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 638 SyntacticMatches, 9 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 12 QuantifiedInterpolants, 23390 SizeOfPredicates, 42 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 10/10 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: 85]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.49 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.68 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * CodeCheck took 19495.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.2 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...