./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i --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_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/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 34606649fc24a0c6046cbbdfba3b9ddb6bb91120 ........................................................................................................................................................................................................................... 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_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/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 34606649fc24a0c6046cbbdfba3b9ddb6bb91120 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:00:23,924 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:00:23,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:00:23,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:00:23,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:00:23,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:00:23,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:00:23,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:00:23,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:00:23,936 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:00:23,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:00:23,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:00:23,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:00:23,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:00:23,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:00:23,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:00:23,940 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:00:23,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:00:23,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:00:23,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:00:23,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:00:23,944 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:00:23,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:00:23,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:00:23,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:00:23,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:00:23,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:00:23,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:00:23,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:00:23,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:00:23,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:00:23,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:00:23,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:00:23,950 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:00:23,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:00:23,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:00:23,951 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:00:23,961 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:00:23,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:00:23,962 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:00:23,962 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:00:23,963 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:00:23,963 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:00:23,963 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:00:23,963 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:00:23,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:00:23,963 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:00:23,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:00:23,964 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:00:23,964 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:00:23,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:00:23,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:00:23,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:23,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:00:23,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:00:23,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:00:23,965 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:00:23,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:00:23,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:00:23,966 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_6b614a18-c770-4217-9bed-7c4a729844bd/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 -> 34606649fc24a0c6046cbbdfba3b9ddb6bb91120 [2018-11-10 12:00:23,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:00:23,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:00:24,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:00:24,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:00:24,002 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:00:24,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i [2018-11-10 12:00:24,044 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/7e95d9bc4/57eb71cce37f4b109425897f4c6f9848/FLAG01c250c75 [2018-11-10 12:00:24,366 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:00:24,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i [2018-11-10 12:00:24,370 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/7e95d9bc4/57eb71cce37f4b109425897f4c6f9848/FLAG01c250c75 [2018-11-10 12:00:24,382 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/7e95d9bc4/57eb71cce37f4b109425897f4c6f9848 [2018-11-10 12:00:24,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:00:24,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:00:24,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:24,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:00:24,389 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:00:24,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769b41f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24, skipping insertion in model container [2018-11-10 12:00:24,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:00:24,414 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:00:24,518 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:24,520 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:00:24,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:24,537 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:00:24,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24 WrapperNode [2018-11-10 12:00:24,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:24,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:24,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:00:24,538 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:00:24,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:24,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:00:24,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:00:24,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:00:24,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:00:24,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:00:24,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:00:24,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:00:24,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/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 12:00:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:00:24,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:00:24,739 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:24,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:24 BoogieIcfgContainer [2018-11-10 12:00:24,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:24,740 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:00:24,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:00:24,747 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:00:24,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:24" (1/1) ... [2018-11-10 12:00:24,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:00:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:00:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:00:24,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:24,858 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 12:00:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 12:00:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 12:00:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:00:24,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:00:24,905 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 12:00:24,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:00:24 ImpRootNode [2018-11-10 12:00:24,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:00:24,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:00:24,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:00:24,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:00:24,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:24" (3/4) ... [2018-11-10 12:00:24,921 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:00:24,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:00:24,922 INFO L168 Benchmark]: Toolchain (without parser) took 537.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:24,924 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:24,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:24,925 INFO L168 Benchmark]: Boogie Preprocessor took 10.22 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,925 INFO L168 Benchmark]: RCFGBuilder took 171.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,926 INFO L168 Benchmark]: CodeCheck took 177.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,927 INFO L168 Benchmark]: Witness Printer took 3.84 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 12:00:24,929 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, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 24. Possible FailurePath: [L15] float x = __VERIFIER_nondet_float() ; [L16] float exp = 1.0 ; [L17] float term = 1.0 ; [L18] unsigned int count = 1 ; [L19] float result = 2*(1/(1-x)) ; [L20] int temp ; [L22] COND TRUE 1 [L24] term = term * (x/count) [L25] exp = exp + term [L26] count++ [L28] temp = __VERIFIER_nondet_int() [L29] COND TRUE temp ==0 [L32] CALL __VERIFIER_assert( result >= exp ) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.68 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.22 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 177.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.84 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 12:00:26,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:00:26,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:00:26,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:00:26,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:00:26,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:00:26,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:00:26,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:00:26,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:00:26,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:00:26,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:00:26,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:00:26,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:00:26,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:00:26,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:00:26,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:00:26,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:00:26,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:00:26,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:00:26,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:00:26,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:00:26,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:00:26,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:00:26,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:00:26,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:00:26,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:00:26,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:00:26,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:00:26,434 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:00:26,435 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:00:26,435 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:00:26,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:00:26,436 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:00:26,436 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:00:26,436 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:00:26,437 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:00:26,437 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:00:26,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:00:26,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:00:26,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:00:26,448 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:00:26,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:00:26,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:00:26,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:00:26,449 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:00:26,450 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:00:26,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:00:26,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:00:26,450 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:00:26,450 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:00:26,450 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:00:26,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:26,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:00:26,451 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:00:26,452 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:00:26,452 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:00:26,452 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_6b614a18-c770-4217-9bed-7c4a729844bd/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 -> 34606649fc24a0c6046cbbdfba3b9ddb6bb91120 [2018-11-10 12:00:26,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:00:26,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:00:26,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:00:26,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:00:26,494 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:00:26,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i [2018-11-10 12:00:26,534 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/02c952f81/1cf72de540ba43619479a8d1e559f70a/FLAGeae839b67 [2018-11-10 12:00:26,847 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:00:26,847 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/sv-benchmarks/c/loop-floats-scientific-comp/loop1_false-unreach-call.c.i [2018-11-10 12:00:26,851 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/02c952f81/1cf72de540ba43619479a8d1e559f70a/FLAGeae839b67 [2018-11-10 12:00:26,860 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/bin-2019/ukojak/data/02c952f81/1cf72de540ba43619479a8d1e559f70a [2018-11-10 12:00:26,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:00:26,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:00:26,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:26,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:00:26,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:00:26,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:26" (1/1) ... [2018-11-10 12:00:26,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24051e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:26, skipping insertion in model container [2018-11-10 12:00:26,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:26" (1/1) ... [2018-11-10 12:00:26,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:00:26,886 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:00:26,989 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:26,992 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:00:27,003 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:27,012 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:00:27,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27 WrapperNode [2018-11-10 12:00:27,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:27,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:27,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:00:27,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:00:27,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:27,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:00:27,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:00:27,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:00:27,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... [2018-11-10 12:00:27,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:00:27,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:00:27,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:00:27,048 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:00:27,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b614a18-c770-4217-9bed-7c4a729844bd/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 12:00:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:00:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:00:31,258 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:31,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:31 BoogieIcfgContainer [2018-11-10 12:00:31,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:31,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:00:31,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:00:31,266 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:00:31,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:31" (1/1) ... [2018-11-10 12:00:31,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:00:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:00:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:00:31,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:31,329 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:31,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:31,349 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 12:00:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-10 12:00:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-10 12:00:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:00:31,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:31,360 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 12:00:41,727 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:00:41,729 INFO L168 Benchmark]: Toolchain (without parser) took 14866.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:41,730 INFO L168 Benchmark]: CDTParser took 0.15 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 12:00:41,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:41,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.93 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:41,731 INFO L168 Benchmark]: Boogie Preprocessor took 14.32 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:41,731 INFO L168 Benchmark]: RCFGBuilder took 4210.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:41,732 INFO L168 Benchmark]: CodeCheck took 10469.29 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:41,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.93 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.32 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4210.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 10469.29 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...