./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/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 bcbee6ed75bef52b13066d34c45df2688a1a6e18 ....................................................................................................................................................................................................................................................... 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_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/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 bcbee6ed75bef52b13066d34c45df2688a1a6e18 ................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:55:19,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:55:19,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:55:19,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:55:19,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:55:19,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:55:19,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:55:19,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:55:19,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:55:19,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:55:19,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:55:19,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:55:19,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:55:19,364 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:55:19,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:55:19,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:55:19,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:55:19,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:55:19,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:55:19,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:55:19,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:55:19,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:55:19,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:55:19,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:55:19,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:55:19,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:55:19,375 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:55:19,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:55:19,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:55:19,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:55:19,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:55:19,378 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:55:19,378 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:55:19,378 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:55:19,379 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:55:19,379 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:55:19,379 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:55:19,390 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:55:19,390 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:55:19,391 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:55:19,391 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:55:19,391 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:55:19,391 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:55:19,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:55:19,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:55:19,393 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:55:19,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:55:19,393 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:55:19,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:55:19,393 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:55:19,393 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:55:19,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:55:19,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:55:19,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:55:19,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:55:19,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:55:19,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:55:19,394 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:55:19,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:55:19,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:55:19,395 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_a7954979-16db-4c5d-9756-c449e007762e/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 -> bcbee6ed75bef52b13066d34c45df2688a1a6e18 [2018-11-10 10:55:19,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:55:19,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:55:19,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:55:19,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:55:19,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:55:19,427 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c [2018-11-10 10:55:19,465 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/3fa590084/f65862570ac34e0c8d6c6827a1e542d3/FLAG4027dd240 [2018-11-10 10:55:19,868 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:55:19,869 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c [2018-11-10 10:55:19,875 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/3fa590084/f65862570ac34e0c8d6c6827a1e542d3/FLAG4027dd240 [2018-11-10 10:55:19,883 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/3fa590084/f65862570ac34e0c8d6c6827a1e542d3 [2018-11-10 10:55:19,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:55:19,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:55:19,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:55:19,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:55:19,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:55:19,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:19" (1/1) ... [2018-11-10 10:55:19,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df09a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:19, skipping insertion in model container [2018-11-10 10:55:19,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:19" (1/1) ... [2018-11-10 10:55:19,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:55:19,912 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:55:20,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:55:20,030 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:55:20,051 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:55:20,063 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:55:20,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20 WrapperNode [2018-11-10 10:55:20,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:55:20,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:55:20,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:55:20,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:55:20,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:55:20,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:55:20,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:55:20,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:55:20,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:55:20,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:55:20,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:55:20,158 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:55:20,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:55:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:55:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:55:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:55:20,778 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:55:20,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:20 BoogieIcfgContainer [2018-11-10 10:55:20,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:55:20,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:55:20,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:55:20,785 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:55:20,786 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:20" (1/1) ... [2018-11-10 10:55:20,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:55:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-10 10:55:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-10 10:55:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 10:55:20,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-11-10 10:55:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-11-10 10:55:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:55:20,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:55:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:55:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:55:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:55:21,024 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 10:55:21,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:55:21 ImpRootNode [2018-11-10 10:55:21,051 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:55:21,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:55:21,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:55:21,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:55:21,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:20" (3/4) ... [2018-11-10 10:55:21,055 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:55:21,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:55:21,055 INFO L168 Benchmark]: Toolchain (without parser) took 1170.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -90.1 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,057 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 10:55:21,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 946.6 MB in the beginning and 1.2 GB in the end (delta: -210.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,058 INFO L168 Benchmark]: Boogie Preprocessor took 25.05 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,059 INFO L168 Benchmark]: RCFGBuilder took 620.74 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: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,059 INFO L168 Benchmark]: CodeCheck took 271.89 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:21,060 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:21,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 101 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someUnaryFLOAToperation at line 126, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L126] float x = -0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L131] CALL, EXPR fmod_float(x, y) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] FCALL ieee_float_shape_type gf_u; [L22] FCALL gf_u.value = (x) [L23] EXPR, FCALL gf_u.word [L23] (hx) = gf_u.word [L24] COND FALSE !(0) VAL [one_fmod=1, Zero_fmod={3:0}] [L26] FCALL ieee_float_shape_type gf_u; [L27] FCALL gf_u.value = (y) [L28] EXPR, FCALL gf_u.word [L28] (hy) = gf_u.word [L29] COND FALSE !(0) VAL [one_fmod=1, Zero_fmod={3:0}] [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] RET return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L131] EXPR fmod_float(x, y) [L131] float res = fmod_float(x, y); [L134] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [one_fmod=1, Zero_fmod={3:0}] [L134] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 177.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 946.6 MB in the beginning and 1.2 GB in the end (delta: -210.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.05 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 620.74 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: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * CodeCheck took 271.89 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:55:22,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:55:22,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:55:22,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:55:22,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:55:22,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:55:22,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:55:22,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:55:22,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:55:22,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:55:22,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:55:22,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:55:22,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:55:22,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:55:22,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:55:22,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:55:22,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:55:22,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:55:22,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:55:22,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:55:22,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:55:22,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:55:22,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:55:22,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:55:22,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:55:22,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:55:22,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:55:22,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:55:22,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:55:22,490 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:55:22,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:55:22,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:55:22,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:55:22,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:55:22,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:55:22,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:55:22,493 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 10:55:22,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:55:22,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:55:22,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:55:22,504 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:55:22,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:55:22,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:55:22,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:55:22,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:55:22,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:55:22,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:55:22,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:55:22,506 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:55:22,507 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:55:22,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:55:22,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:55:22,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:55:22,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:55:22,507 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:55:22,507 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:55:22,508 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 10:55:22,508 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:55:22,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:55:22,508 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:55:22,508 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:55:22,508 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_a7954979-16db-4c5d-9756-c449e007762e/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 -> bcbee6ed75bef52b13066d34c45df2688a1a6e18 [2018-11-10 10:55:22,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:55:22,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:55:22,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:55:22,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:55:22,551 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:55:22,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c [2018-11-10 10:55:22,594 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/7a396e00c/e88edf0a0b4944f292f3ad2e1099ce40/FLAGb17348015 [2018-11-10 10:55:22,920 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:55:22,921 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/sv-benchmarks/c/float-newlib/float_req_bl_1130b_true-unreach-call.c [2018-11-10 10:55:22,927 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/7a396e00c/e88edf0a0b4944f292f3ad2e1099ce40/FLAGb17348015 [2018-11-10 10:55:22,936 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/data/7a396e00c/e88edf0a0b4944f292f3ad2e1099ce40 [2018-11-10 10:55:22,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:55:22,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:55:22,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:55:22,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:55:22,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:55:22,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:22" (1/1) ... [2018-11-10 10:55:22,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fe21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:22, skipping insertion in model container [2018-11-10 10:55:22,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:55:22" (1/1) ... [2018-11-10 10:55:22,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:55:22,969 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:55:23,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:55:23,112 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:55:23,142 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:55:23,159 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:55:23,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23 WrapperNode [2018-11-10 10:55:23,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:55:23,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:55:23,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:55:23,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:55:23,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:55:23,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:55:23,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:55:23,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:55:23,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... [2018-11-10 10:55:23,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:55:23,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:55:23,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:55:23,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:55:23,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:55:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:55:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:55:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:55:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 10:55:23,435 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:23,439 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:23,467 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:23,473 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:23,487 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:23,493 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:24,169 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:24,175 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:55:24,540 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:55:24,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:24 BoogieIcfgContainer [2018-11-10 10:55:24,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:55:24,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:55:24,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:55:24,548 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:55:24,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:24" (1/1) ... [2018-11-10 10:55:24,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:55:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-10 10:55:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-10 10:55:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 10:55:24,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:24,625 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:24,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-11-10 10:55:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-11-10 10:55:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:55:24,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:24,676 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:24,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:31,491 WARN L179 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2018-11-10 10:55:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2018-11-10 10:55:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2018-11-10 10:55:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 10:55:33,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:33,068 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:33,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-11-10 10:55:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-11-10 10:55:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:55:35,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:35,185 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:35,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-11-10 10:55:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 10:55:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 10:55:35,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:35,919 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:35,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-11-10 10:55:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-11-10 10:55:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:55:35,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:55:35,937 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:55:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:55:35,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:55:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:55:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:55:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-11-10 10:55:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-10 10:55:36,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:55:36,556 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 10:55:36,564 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:55:36,655 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 10:55:36,661 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-11-10 10:55:36,661 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 10:55:36,662 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-11-10 10:55:36,662 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:55:36,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:55:36 ImpRootNode [2018-11-10 10:55:36,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:55:36,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:55:36,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:55:36,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:55:36,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:55:24" (3/4) ... [2018-11-10 10:55:36,666 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:55:36,672 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 10:55:36,672 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 10:55:36,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 10:55:36,673 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:55:36,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result [2018-11-10 10:55:36,717 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7954979-16db-4c5d-9756-c449e007762e/bin-2019/ukojak/witness.graphml [2018-11-10 10:55:36,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:55:36,718 INFO L168 Benchmark]: Toolchain (without parser) took 13780.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 950.8 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:36,719 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:36,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:36,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:36,720 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:36,721 INFO L168 Benchmark]: RCFGBuilder took 1319.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 929.4 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:55:36,721 INFO L168 Benchmark]: CodeCheck took 12121.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:36,721 INFO L168 Benchmark]: Witness Printer took 54.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:55:36,723 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 101 locations, 1 error locations. SAFE Result, 11.9s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 940 SDtfs, 294 SDslu, 260 SDs, 0 SdLazy, 1388 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 658 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 74 ConstructedInterpolants, 4 QuantifiedInterpolants, 5201 SizeOfPredicates, 30 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 135]: 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: 20]: Loop Invariant Derived loop invariant: (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == \result - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 220.32 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 29.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1319.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 929.4 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * CodeCheck took 12121.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 54.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...