./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_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_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc .......................................................................................................................................................................................................................................... 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_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 22:50:39,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 22:50:39,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 22:50:39,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 22:50:39,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 22:50:39,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 22:50:39,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 22:50:39,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 22:50:39,586 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 22:50:39,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 22:50:39,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 22:50:39,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 22:50:39,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 22:50:39,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 22:50:39,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 22:50:39,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 22:50:39,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 22:50:39,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 22:50:39,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 22:50:39,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 22:50:39,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 22:50:39,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 22:50:39,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 22:50:39,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 22:50:39,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 22:50:39,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 22:50:39,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 22:50:39,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 22:50:39,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 22:50:39,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 22:50:39,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 22:50:39,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 22:50:39,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 22:50:39,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 22:50:39,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 22:50:39,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 22:50:39,605 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 22:50:39,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 22:50:39,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 22:50:39,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 22:50:39,615 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 22:50:39,616 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 22:50:39,616 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 22:50:39,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 22:50:39,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 22:50:39,618 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 22:50:39,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 22:50:39,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 22:50:39,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 22:50:39,619 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 22:50:39,619 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 22:50:39,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 22:50:39,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 22:50:39,619 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_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-09 22:50:39,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 22:50:39,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 22:50:39,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 22:50:39,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 22:50:39,658 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 22:50:39,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-09 22:50:39,704 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/422d839c9/10171e0a24c84d5597024f4ccd4d9e2d/FLAGc6e11bc36 [2018-11-09 22:50:40,105 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 22:50:40,106 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-09 22:50:40,111 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/422d839c9/10171e0a24c84d5597024f4ccd4d9e2d/FLAGc6e11bc36 [2018-11-09 22:50:40,120 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/422d839c9/10171e0a24c84d5597024f4ccd4d9e2d [2018-11-09 22:50:40,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 22:50:40,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 22:50:40,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 22:50:40,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 22:50:40,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 22:50:40,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3498524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40, skipping insertion in model container [2018-11-09 22:50:40,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 22:50:40,147 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 22:50:40,254 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:50:40,256 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 22:50:40,277 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:50:40,291 INFO L193 MainTranslator]: Completed translation [2018-11-09 22:50:40,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40 WrapperNode [2018-11-09 22:50:40,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 22:50:40,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 22:50:40,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 22:50:40,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 22:50:40,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 22:50:40,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 22:50:40,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 22:50:40,323 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 22:50:40,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 22:50:40,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 22:50:40,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 22:50:40,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 22:50:40,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 [2018-11-09 22:50:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 22:50:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 22:50:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-09 22:50:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 22:50:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 22:50:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 22:50:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 22:50:40,909 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 22:50:40,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:40 BoogieIcfgContainer [2018-11-09 22:50:40,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 22:50:40,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 22:50:40,910 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 22:50:40,916 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 22:50:40,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:40" (1/1) ... [2018-11-09 22:50:40,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:50:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-09 22:50:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-09 22:50:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-09 22:50:40,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-09 22:50:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-09 22:50:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-09 22:50:41,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 22:50:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 22:50:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 22:50:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 22:50:41,097 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-09 22:50:41,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 10:50:41 ImpRootNode [2018-11-09 22:50:41,120 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 22:50:41,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 22:50:41,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 22:50:41,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 22:50:41,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:40" (3/4) ... [2018-11-09 22:50:41,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 22:50:41,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 22:50:41,123 INFO L168 Benchmark]: Toolchain (without parser) took 1001.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,125 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 22:50:41,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.99 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 947.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 22:50:41,126 INFO L168 Benchmark]: Boogie Preprocessor took 60.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,126 INFO L168 Benchmark]: RCFGBuilder took 525.44 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,126 INFO L168 Benchmark]: CodeCheck took 210.10 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,127 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:41,131 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, 62 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L101] float x = 0.0f; [L102] CALL, EXPR __ieee754_sqrtf(x) [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (x) [L22] EXPR, FCALL gf_u.word [L22] (ix) = gf_u.word [L23] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] EXPR __ieee754_sqrtf(x) [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] * 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.99 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 947.3 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 30.78 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 525.44 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * CodeCheck took 210.10 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-09 22:50:42,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 22:50:42,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 22:50:42,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 22:50:42,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 22:50:42,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 22:50:42,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 22:50:42,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 22:50:42,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 22:50:42,618 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 22:50:42,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 22:50:42,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 22:50:42,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 22:50:42,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 22:50:42,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 22:50:42,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 22:50:42,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 22:50:42,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 22:50:42,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 22:50:42,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 22:50:42,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 22:50:42,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 22:50:42,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 22:50:42,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 22:50:42,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 22:50:42,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 22:50:42,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 22:50:42,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 22:50:42,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 22:50:42,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 22:50:42,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 22:50:42,632 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 22:50:42,632 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 22:50:42,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 22:50:42,633 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 22:50:42,634 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 22:50:42,634 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-09 22:50:42,644 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 22:50:42,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 22:50:42,645 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 22:50:42,645 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 22:50:42,645 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 22:50:42,646 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 22:50:42,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 22:50:42,647 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 22:50:42,647 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 22:50:42,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 22:50:42,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 22:50:42,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 22:50:42,650 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 22:50:42,650 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 22:50:42,650 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 22:50:42,650 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-09 22:50:42,650 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-09 22:50:42,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 22:50:42,651 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-09 22:50:42,651 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-09 22:50:42,651 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_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-09 22:50:42,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 22:50:42,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 22:50:42,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 22:50:42,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 22:50:42,693 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 22:50:42,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-09 22:50:42,732 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/c8504a640/2b44933954d746ec809bbe6a8f186eac/FLAG53a226d26 [2018-11-09 22:50:43,123 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 22:50:43,123 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-09 22:50:43,127 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/c8504a640/2b44933954d746ec809bbe6a8f186eac/FLAG53a226d26 [2018-11-09 22:50:43,137 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/data/c8504a640/2b44933954d746ec809bbe6a8f186eac [2018-11-09 22:50:43,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 22:50:43,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 22:50:43,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 22:50:43,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 22:50:43,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 22:50:43,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1908b845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43, skipping insertion in model container [2018-11-09 22:50:43,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 22:50:43,170 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 22:50:43,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:50:43,309 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 22:50:43,333 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:50:43,349 INFO L193 MainTranslator]: Completed translation [2018-11-09 22:50:43,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43 WrapperNode [2018-11-09 22:50:43,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 22:50:43,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 22:50:43,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 22:50:43,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 22:50:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 22:50:43,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 22:50:43,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 22:50:43,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 22:50:43,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... [2018-11-09 22:50:43,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 22:50:43,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 22:50:43,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 22:50:43,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 22:50:43,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:50:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/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 [2018-11-09 22:50:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 22:50:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-09 22:50:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 22:50:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 22:50:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-09 22:50:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 22:50:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-09 22:50:43,599 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 22:50:43,609 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 22:50:43,611 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 22:50:43,618 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-09 22:50:44,823 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 22:50:44,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:44 BoogieIcfgContainer [2018-11-09 22:50:44,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 22:50:44,824 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 22:50:44,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 22:50:44,832 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 22:50:44,832 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:44" (1/1) ... [2018-11-09 22:50:44,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:50:44,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-09 22:50:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-09 22:50:44,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-09 22:50:44,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:44,894 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:44,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-09 22:50:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-09 22:50:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-09 22:50:44,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:44,932 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:44,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-09 22:50:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-09 22:50:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-09 22:50:45,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:45,371 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:45,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-11-09 22:50:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-11-09 22:50:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-09 22:50:46,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:46,762 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:46,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-11-09 22:50:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-11-09 22:50:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 22:50:47,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:47,597 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:47,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-09 22:50:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-09 22:50:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-09 22:50:47,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:47,611 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:47,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2018-11-09 22:50:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2018-11-09 22:50:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-09 22:50:48,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,010 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2018-11-09 22:50:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-11-09 22:50:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-09 22:50:48,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,037 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-11-09 22:50:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-11-09 22:50:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 22:50:48,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,179 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-11-09 22:50:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-11-09 22:50:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-09 22:50:48,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,371 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2018-11-09 22:50:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-09 22:50:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-09 22:50:48,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,578 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2018-11-09 22:50:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-09 22:50:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-09 22:50:48,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:48,801 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:48,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-11-09 22:50:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-11-09 22:50:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-09 22:50:49,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:49,058 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:49,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2018-11-09 22:50:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2018-11-09 22:50:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-09 22:50:49,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:49,341 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:49,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2018-11-09 22:50:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2018-11-09 22:50:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-09 22:50:49,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:49,621 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:49,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-09 22:50:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-09 22:50:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-09 22:50:49,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:49,928 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:49,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-09 22:50:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-09 22:50:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-09 22:50:50,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:50,274 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:50,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-11-09 22:50:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-11-09 22:50:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-09 22:50:50,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:50,600 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:50,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2018-11-09 22:50:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2018-11-09 22:50:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-09 22:50:51,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:51,018 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:51,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-11-09 22:50:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-11-09 22:50:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-09 22:50:51,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:51,414 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:51,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-11-09 22:50:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-11-09 22:50:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-09 22:50:51,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:51,807 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:51,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-11-09 22:50:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-11-09 22:50:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-09 22:50:52,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:52,253 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:52,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2018-11-09 22:50:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2018-11-09 22:50:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-09 22:50:52,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:52,707 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:52,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2018-11-09 22:50:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2018-11-09 22:50:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-09 22:50:53,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:53,209 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:53,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-11-09 22:50:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-11-09 22:50:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-09 22:50:53,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:53,772 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:53,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2018-11-09 22:50:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2018-11-09 22:50:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-09 22:50:54,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:54,272 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:54,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-11-09 22:50:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-11-09 22:50:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-09 22:50:54,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:54,839 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:54,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2018-11-09 22:50:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2018-11-09 22:50:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-09 22:50:55,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:55,407 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:55,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2018-11-09 22:50:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2018-11-09 22:50:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-09 22:50:56,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:56,018 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:56,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-11-09 22:50:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-09 22:50:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-09 22:50:56,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:56,712 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:56,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-11-09 22:50:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-11-09 22:50:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-09 22:50:57,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:57,473 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:57,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 83 states and 113 transitions. [2018-11-09 22:50:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2018-11-09 22:50:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-09 22:50:58,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:58,212 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:58,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:50:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 116 transitions. [2018-11-09 22:50:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2018-11-09 22:50:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-09 22:50:58,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:50:58,999 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-09 22:50:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:50:59,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:50:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-11-09 22:50:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:50:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-11-09 22:50:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-09 22:50:59,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 22:50:59,531 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-09 22:50:59,538 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 22:50:59,578 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-09 22:50:59,583 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-09 22:50:59,584 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-09 22:50:59,584 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-09 22:50:59,584 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 22:50:59,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 10:50:59 ImpRootNode [2018-11-09 22:50:59,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 22:50:59,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 22:50:59,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 22:50:59,585 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 22:50:59,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:50:44" (3/4) ... [2018-11-09 22:50:59,589 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 22:50:59,594 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-09 22:50:59,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-09 22:50:59,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-09 22:50:59,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-09 22:50:59,612 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result [2018-11-09 22:50:59,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77e15541-0fcc-4e83-ba96-7a87f73dd461/bin-2019/ukojak/witness.graphml [2018-11-09 22:50:59,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 22:50:59,636 INFO L168 Benchmark]: Toolchain (without parser) took 16496.81 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 341.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:59,637 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. [2018-11-09 22:50:59,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:59,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 22:50:59,638 INFO L168 Benchmark]: Boogie Preprocessor took 25.61 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 22:50:59,638 INFO L168 Benchmark]: RCFGBuilder took 1415.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:59,638 INFO L168 Benchmark]: CodeCheck took 14760.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -68.0 MB). Peak memory consumption was 150.6 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:59,638 INFO L168 Benchmark]: Witness Printer took 50.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-09 22:50:59,640 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, 62 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 939524096 SDtfs, 1073741820 SDslu, 939524080 SDs, 0 SdLazy, 536870788 SolverSat, -268435568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10120 GetRequests, 9985 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3901 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1224 NumberOfCodeBlocks, 1224 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1191 ConstructedInterpolants, 3 QuantifiedInterpolants, 166363 SizeOfPredicates, 54 NumberOfNonLiveVariables, 3463 ConjunctsInSsa, 390 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 650/5850 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: 106]: 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: 19]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 93]: 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 209.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 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 32.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.61 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1415.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 14760.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 218.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -68.0 MB). Peak memory consumption was 150.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...