./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/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 6f57b560c2271100a3cc213cf38aa06905e4b86e .................................................................................................................................................................................................................................................... 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_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/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 6f57b560c2271100a3cc213cf38aa06905e4b86e ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 25 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:28:19,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:28:19,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:28:19,774 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:28:19,774 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:28:19,775 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:28:19,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:28:19,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:28:19,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:28:19,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:28:19,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:28:19,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:28:19,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:28:19,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:28:19,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:28:19,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:28:19,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:28:19,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:28:19,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:28:19,788 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:28:19,789 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:28:19,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:28:19,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:28:19,792 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:28:19,792 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:28:19,793 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:28:19,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:28:19,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:28:19,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:28:19,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:28:19,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:28:19,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:28:19,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:28:19,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:28:19,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:28:19,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:28:19,798 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:28:19,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:28:19,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:28:19,811 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:28:19,811 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:28:19,811 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:28:19,811 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:28:19,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:28:19,812 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:28:19,812 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:28:19,812 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:28:19,812 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:28:19,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:28:19,813 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:28:19,813 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:28:19,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:28:19,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:28:19,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:28:19,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:28:19,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:28:19,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:28:19,815 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:28:19,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:28:19,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:28:19,815 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_adc818b9-6240-4bec-9534-01fc97a9279f/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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-11-18 18:28:19,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:28:19,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:28:19,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:28:19,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:28:19,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:28:19,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-18 18:28:19,896 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/14a8bf9d3/81d1dc35e8c7479085e55a45c3473b8a/FLAGb8a97e6b0 [2018-11-18 18:28:20,253 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:28:20,254 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-18 18:28:20,260 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/14a8bf9d3/81d1dc35e8c7479085e55a45c3473b8a/FLAGb8a97e6b0 [2018-11-18 18:28:20,672 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/14a8bf9d3/81d1dc35e8c7479085e55a45c3473b8a [2018-11-18 18:28:20,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:28:20,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:28:20,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:28:20,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:28:20,681 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:28:20,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e8c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20, skipping insertion in model container [2018-11-18 18:28:20,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:28:20,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:28:20,874 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:28:20,876 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:28:20,897 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:28:20,912 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:28:20,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20 WrapperNode [2018-11-18 18:28:20,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:28:20,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:28:20,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:28:20,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:28:20,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:28:20,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:28:20,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:28:20,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:28:20,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:20,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:21,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:21,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... [2018-11-18 18:28:21,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:28:21,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:28:21,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:28:21,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:28:21,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/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 [2018-11-18 18:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 18:28:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 18:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 18:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:28:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:28:21,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:28:21,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:21 BoogieIcfgContainer [2018-11-18 18:28:21,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:28:21,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:28:21,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:28:21,402 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:28:21,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:21" (1/1) ... [2018-11-18 18:28:21,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:28:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 18:28:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 18:28:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:28:21,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:28:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:28:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-18 18:28:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-18 18:28:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 18:28:21,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:28:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:28:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:28:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:28:21,644 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 18:28:21,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:28:21 ImpRootNode [2018-11-18 18:28:21,675 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:28:21,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:28:21,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:28:21,675 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:28:21,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:21" (3/4) ... [2018-11-18 18:28:21,680 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:28:21,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:28:21,681 INFO L168 Benchmark]: Toolchain (without parser) took 1004.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,683 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:28:21,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,685 INFO L168 Benchmark]: Boogie Preprocessor took 21.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,686 INFO L168 Benchmark]: RCFGBuilder took 385.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,686 INFO L168 Benchmark]: CodeCheck took 283.02 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:21,687 INFO L168 Benchmark]: Witness Printer took 5.24 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. [2018-11-18 18:28:21,690 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, 0.2s 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 80. Possible FailurePath: [L79] double x = 0.0; [L80] double y = -0.0; [L81] CALL, EXPR fmax_double(x, y) [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L24] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L27] FCALL ieee_double_shape_type ew_u; [L28] FCALL ew_u.value = (x) [L29] EXPR, FCALL ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR, FCALL ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L31] COND FALSE !(0) VAL [\old(x)=0, lsw=1, msw=2146435072, x=0] [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] RET return 0; [L52] EXPR __fpclassify_double(x) [L52] COND TRUE __fpclassify_double(x) == 0 [L53] RET return y; [L81] EXPR fmax_double(x, 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 385.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 283.02 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.24 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 0.1.23-5842f4b [2018-11-18 18:28:23,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:28:23,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:28:23,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:28:23,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:28:23,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:28:23,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:28:23,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:28:23,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:28:23,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:28:23,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:28:23,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:28:23,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:28:23,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:28:23,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:28:23,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:28:23,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:28:23,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:28:23,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:28:23,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:28:23,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:28:23,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:28:23,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:28:23,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:28:23,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:28:23,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:28:23,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:28:23,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:28:23,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:28:23,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:28:23,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:28:23,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:28:23,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:28:23,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:28:23,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:28:23,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:28:23,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 18:28:23,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:28:23,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:28:23,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:28:23,397 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:28:23,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:28:23,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:28:23,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:28:23,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:28:23,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:28:23,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:28:23,398 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:28:23,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:28:23,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:28:23,400 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:28:23,400 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:28:23,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:28:23,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:28:23,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:28:23,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:28:23,401 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:28:23,401 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:28:23,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:28:23,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:28:23,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:28:23,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:28:23,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:28:23,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:28:23,403 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:28:23,403 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:28:23,403 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:28:23,403 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:28:23,403 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:28:23,403 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_adc818b9-6240-4bec-9534-01fc97a9279f/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 -> 6f57b560c2271100a3cc213cf38aa06905e4b86e [2018-11-18 18:28:23,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:28:23,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:28:23,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:28:23,456 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:28:23,456 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:28:23,457 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-18 18:28:23,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/559ab88d7/d91eba72ecef4605be6b1f7919e9e7f0/FLAG0559fe6ac [2018-11-18 18:28:23,879 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:28:23,879 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/sv-benchmarks/c/float-newlib/double_req_bl_1252b_false-unreach-call.c [2018-11-18 18:28:23,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/559ab88d7/d91eba72ecef4605be6b1f7919e9e7f0/FLAG0559fe6ac [2018-11-18 18:28:23,895 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/bin-2019/ukojak/data/559ab88d7/d91eba72ecef4605be6b1f7919e9e7f0 [2018-11-18 18:28:23,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:28:23,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:28:23,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:28:23,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:28:23,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:28:23,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:28:23" (1/1) ... [2018-11-18 18:28:23,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:23, skipping insertion in model container [2018-11-18 18:28:23,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:28:23" (1/1) ... [2018-11-18 18:28:23,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:28:23,931 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:28:24,066 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:28:24,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:28:24,095 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:28:24,116 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:28:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24 WrapperNode [2018-11-18 18:28:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:28:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:28:24,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:28:24,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:28:24,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:28:24,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:28:24,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:28:24,151 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:28:24,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:28:24,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:28:24,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:28:24,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:28:24,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:28:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adc818b9-6240-4bec-9534-01fc97a9279f/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 [2018-11-18 18:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 18:28:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 18:28:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 18:28:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:28:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 18:28:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:28:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:28:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:28:24,414 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 18:28:24,543 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 18:28:24,716 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:28:24,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:24 BoogieIcfgContainer [2018-11-18 18:28:24,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:28:24,718 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:28:24,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:28:24,726 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:28:24,726 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:28:24" (1/1) ... [2018-11-18 18:28:24,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:28:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-18 18:28:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-18 18:28:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:28:24,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:24,811 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:28:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:28:24,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:28:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:28:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 18:28:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 18:28:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:28:24,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:24,883 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:28:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:28:24,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:28:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:28:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-18 18:28:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-18 18:28:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:28:25,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:25,064 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:28:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:28:25,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:28:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:28:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:28:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-18 18:28:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-18 18:28:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 18:28:25,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:28:25,092 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:28:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:28:25,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:28:25,208 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 18:28:25,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 18:28:25,210 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 18:28:25,211 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 18:28:25,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-18 18:28:25,327 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 18:28:25,329 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_1 term size 25 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:624) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:454) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 18:28:25,331 INFO L168 Benchmark]: Toolchain (without parser) took 1434.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:25,333 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 18:28:25,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:25,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:28:25,334 INFO L168 Benchmark]: Boogie Preprocessor took 79.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:25,335 INFO L168 Benchmark]: RCFGBuilder took 486.79 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:25,335 INFO L168 Benchmark]: CodeCheck took 613.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:28:25,337 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 25 de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: var is still there: v_arrayElimCell_1 term size 25: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 218.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.85 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 486.79 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * CodeCheck took 613.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...