./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/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 a9ad6ad46925d70ccfe8113c6806757723d44310 ................................................................................................................................................................................................................................................................................................................................................... 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_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/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 a9ad6ad46925d70ccfe8113c6806757723d44310 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:08:55,803 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:08:55,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:08:55,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:08:55,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:08:55,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:08:55,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:08:55,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:08:55,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:08:55,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:08:55,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:08:55,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:08:55,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:08:55,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:08:55,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:08:55,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:08:55,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:08:55,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:08:55,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:08:55,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:08:55,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:08:55,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:08:55,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:08:55,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:08:55,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:08:55,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:08:55,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:08:55,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:08:55,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:08:55,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:08:55,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:08:55,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:08:55,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:08:55,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:08:55,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:08:55,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:08:55,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:08:55,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:08:55,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:08:55,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:08:55,846 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:08:55,846 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:08:55,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:08:55,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:08:55,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:08:55,849 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:08:55,849 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:08:55,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:08:55,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:08:55,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:08:55,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:08:55,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:08:55,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:08:55,850 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:08:55,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:08:55,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:08:55,850 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_06493bea-ff0f-42c9-881d-1959fe89f676/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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2018-11-23 04:08:55,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:08:55,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:08:55,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:08:55,886 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:08:55,887 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:08:55,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-23 04:08:55,935 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/b5495a71a/c1077eccc4bd4a6fadb00894331bf62d/FLAGaae751cee [2018-11-23 04:08:56,260 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:08:56,261 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-23 04:08:56,265 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/b5495a71a/c1077eccc4bd4a6fadb00894331bf62d/FLAGaae751cee [2018-11-23 04:08:56,691 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/b5495a71a/c1077eccc4bd4a6fadb00894331bf62d [2018-11-23 04:08:56,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:08:56,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:08:56,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:08:56,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:08:56,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:08:56,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6663a739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56, skipping insertion in model container [2018-11-23 04:08:56,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:08:56,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:08:56,826 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:08:56,830 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:08:56,842 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:08:56,850 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:08:56,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56 WrapperNode [2018-11-23 04:08:56,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:08:56,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:08:56,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:08:56,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:08:56,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:08:56,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:08:56,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:08:56,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:08:56,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... [2018-11-23 04:08:56,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:08:56,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:08:56,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:08:56,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:08:56,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/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 [2018-11-23 04:08:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:08:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:08:57,065 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:08:57,065 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 04:08:57,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:57 BoogieIcfgContainer [2018-11-23 04:08:57,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:08:57,066 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:08:57,066 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:08:57,078 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:08:57,078 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:57" (1/1) ... [2018-11-23 04:08:57,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:08:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 04:08:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 04:08:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 04:08:57,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:08:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:08:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:08:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:08:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:08:57,233 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~x~0, main_~y~0, main_~z~0, main_~r~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~r~0;main_~x~0 := 1.0E8;main_~y~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0);main_~z~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0);main_~r~0 := ~someBinaryArithmeticFLOAToperation(main_~y~0, main_~z~0);__VERIFIER_assert_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~r~0, 0.0) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=100000000.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=100000000.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=100000000.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_~x~0, main_~y~0, main_~z~0, main_~r~0; [L8] havoc main_~x~0; [L8] havoc main_~y~0; [L8] havoc main_~z~0; [L8] havoc main_~r~0; [L10] main_~x~0 := 1.0E8; [L11] main_~y~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L12] main_~z~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L13] main_~r~0 := ~someBinaryArithmeticFLOAToperation(main_~y~0, main_~z~0); [L14] __VERIFIER_assert_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~r~0, 0.0) then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L4] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~x~0, main_~y~0, main_~z~0, main_~r~0; [L8] havoc main_~x~0; [L8] havoc main_~y~0; [L8] havoc main_~z~0; [L8] havoc main_~r~0; [L10] main_~x~0 := 1.0E8; [L11] main_~y~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L12] main_~z~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L13] main_~r~0 := ~someBinaryArithmeticFLOAToperation(main_~y~0, main_~z~0); [L14] __VERIFIER_assert_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~r~0, 0.0) then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L4] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [?] havoc main_#res; [?] havoc main_~x~0, main_~y~0, main_~z~0, main_~r~0; [L8] havoc main_~x~0; [L8] havoc main_~y~0; [L8] havoc main_~z~0; [L8] havoc main_~r~0; [L10] main_~x~0 := 1.0E8; [L11] main_~y~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L12] main_~z~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L13] main_~r~0 := ~someBinaryArithmeticFLOAToperation(main_~y~0, main_~z~0); [L14] __VERIFIER_assert_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~r~0, 0.0) then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L4] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~x~0, main_~y~0, main_~z~0, main_~r~0; [L8] havoc main_~x~0; [L8] havoc main_~y~0; [L8] havoc main_~z~0; [L8] havoc main_~r~0; [L10] main_~x~0 := 1.0E8; [L11] main_~y~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L12] main_~z~0 := ~someBinaryArithmeticFLOAToperation(main_~x~0, 1.0); [L13] main_~r~0 := ~someBinaryArithmeticFLOAToperation(main_~y~0, main_~z~0); [L14] __VERIFIER_assert_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~r~0, 0.0) then 1 else 0); [L14] havoc __VERIFIER_assert_~cond; [L4] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E8] [L8] havoc ~x~0; [L8] havoc ~y~0; [L8] havoc ~z~0; [L8] havoc ~r~0; [L10] ~x~0 := 1.0E8; [L11] ~y~0 := ~someBinaryArithmeticFLOAToperation(~x~0, 1.0); [L12] ~z~0 := ~someBinaryArithmeticFLOAToperation(~x~0, 1.0); [L13] ~r~0 := ~someBinaryArithmeticFLOAToperation(~y~0, ~z~0); [L4] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L4] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L8] havoc ~x~0; [L8] havoc ~y~0; [L8] havoc ~z~0; [L8] havoc ~r~0; [L10] ~x~0 := 1.0E8; [L11] ~y~0 := ~someBinaryArithmeticFLOAToperation(~x~0, 1.0); [L12] ~z~0 := ~someBinaryArithmeticFLOAToperation(~x~0, 1.0); [L13] ~r~0 := ~someBinaryArithmeticFLOAToperation(~y~0, ~z~0); [L4] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L4] assert false; [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L4] COND TRUE !(cond) [L4] __VERIFIER_error() ----- [2018-11-23 04:08:57,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:08:57 ImpRootNode [2018-11-23 04:08:57,260 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:08:57,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:08:57,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:08:57,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:08:57,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:57" (3/4) ... [2018-11-23 04:08:57,265 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 04:08:57,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:08:57,266 INFO L168 Benchmark]: Toolchain (without parser) took 572.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:08:57,268 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:08:57,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:08:57,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.18 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:08:57,270 INFO L168 Benchmark]: Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:08:57,271 INFO L168 Benchmark]: RCFGBuilder took 182.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:08:57,272 INFO L168 Benchmark]: CodeCheck took 194.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:08:57,273 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:08:57,278 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, 8 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 20.18 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 939.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.0 GB. Free memory is still 939.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 194.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. 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-aa41828 [2018-11-23 04:08:58,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:08:58,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:08:58,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:08:58,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:08:58,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:08:58,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:08:58,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:08:58,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:08:58,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:08:58,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:08:58,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:08:58,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:08:58,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:08:58,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:08:58,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:08:58,840 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:08:58,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:08:58,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:08:58,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:08:58,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:08:58,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:08:58,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:08:58,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:08:58,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:08:58,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:08:58,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:08:58,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:08:58,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:08:58,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:08:58,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:08:58,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:08:58,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:08:58,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:08:58,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:08:58,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:08:58,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 04:08:58,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:08:58,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:08:58,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:08:58,872 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:08:58,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:08:58,873 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:08:58,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:08:58,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:08:58,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:08:58,874 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:08:58,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:08:58,875 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:08:58,875 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:08:58,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:08:58,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:08:58,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:08:58,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:08:58,876 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:08:58,877 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:08:58,877 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_06493bea-ff0f-42c9-881d-1959fe89f676/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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2018-11-23 04:08:58,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:08:58,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:08:58,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:08:58,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:08:58,922 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:08:58,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-23 04:08:58,964 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/82e34a0f9/72e23fdc3f284d06a42d642f165ad4fa/FLAG0423515d7 [2018-11-23 04:08:59,280 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:08:59,280 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/sv-benchmarks/c/float-benchs/addsub_float_inexact_true-unreach-call_true-termination.c [2018-11-23 04:08:59,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/82e34a0f9/72e23fdc3f284d06a42d642f165ad4fa/FLAG0423515d7 [2018-11-23 04:08:59,294 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/data/82e34a0f9/72e23fdc3f284d06a42d642f165ad4fa [2018-11-23 04:08:59,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:08:59,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:08:59,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:08:59,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:08:59,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:08:59,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e3bff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59, skipping insertion in model container [2018-11-23 04:08:59,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:08:59,323 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:08:59,439 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:08:59,444 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:08:59,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:08:59,464 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:08:59,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59 WrapperNode [2018-11-23 04:08:59,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:08:59,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:08:59,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:08:59,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:08:59,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:08:59,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:08:59,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:08:59,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:08:59,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:08:59,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:08:59,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:08:59,504 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:08:59,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/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 [2018-11-23 04:08:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:08:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:08:59,672 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:08:59,672 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 04:08:59,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:59 BoogieIcfgContainer [2018-11-23 04:08:59,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:08:59,673 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:08:59,673 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:08:59,680 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:08:59,680 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:59" (1/1) ... [2018-11-23 04:08:59,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:08:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 04:08:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 04:08:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 04:08:59,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:08:59,751 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 04:08:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:08:59,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:09:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:09:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:09:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-23 04:09:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-23 04:09:00,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:09:00,425 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-23 04:09:00,434 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:09:00,444 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:09:00,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:09:00 ImpRootNode [2018-11-23 04:09:00,446 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:09:00,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:09:00,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:09:00,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:09:00,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:59" (3/4) ... [2018-11-23 04:09:00,450 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:09:00,457 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 04:09:00,457 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:09:00,457 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:09:00,486 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06493bea-ff0f-42c9-881d-1959fe89f676/bin-2019/ukojak/witness.graphml [2018-11-23 04:09:00,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:09:00,487 INFO L168 Benchmark]: Toolchain (without parser) took 1190.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:09:00,488 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 04:09:00,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.42 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:00,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.69 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. [2018-11-23 04:09:00,490 INFO L168 Benchmark]: Boogie Preprocessor took 14.19 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. [2018-11-23 04:09:00,490 INFO L168 Benchmark]: RCFGBuilder took 168.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:00,491 INFO L168 Benchmark]: CodeCheck took 773.76 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:00,491 INFO L168 Benchmark]: Witness Printer took 39.94 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:09:00,495 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, 8 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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 - PositiveResult [Line: 4]: 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: 4]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 167.42 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.69 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 14.19 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 168.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * CodeCheck took 773.76 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.94 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...