./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact_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_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ................................................................................................................................................................................................................................................................................................................................................ 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_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ......................................................................................................................................................................................................................... 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 12:34:46,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:34:46,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:34:46,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:34:46,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:34:46,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:34:46,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:34:46,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:34:46,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:34:46,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:34:46,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:34:46,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:34:46,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:34:46,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:34:46,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:34:46,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:34:46,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:34:46,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:34:46,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:34:46,841 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:34:46,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:34:46,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:34:46,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:34:46,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:34:46,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:34:46,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:34:46,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:34:46,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:34:46,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:34:46,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:34:46,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:34:46,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:34:46,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:34:46,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:34:46,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:34:46,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:34:46,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:34:46,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:34:46,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:34:46,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:34:46,857 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:34:46,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:34:46,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:34:46,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:34:46,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:34:46,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:34:46,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:34:46,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:34:46,859 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:34:46,859 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:34:46,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:34:46,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:34:46,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:34:46,861 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_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-11-23 12:34:46,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:34:46,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:34:46,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:34:46,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:34:46,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:34:46,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-23 12:34:46,939 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/c5d055362/45a59cf1d6274338a45a074d26c95ee3/FLAG5a746bcb6 [2018-11-23 12:34:47,264 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:34:47,265 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-23 12:34:47,269 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/c5d055362/45a59cf1d6274338a45a074d26c95ee3/FLAG5a746bcb6 [2018-11-23 12:34:47,699 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/c5d055362/45a59cf1d6274338a45a074d26c95ee3 [2018-11-23 12:34:47,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:34:47,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:34:47,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:34:47,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:34:47,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:34:47,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47, skipping insertion in model container [2018-11-23 12:34:47,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:34:47,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:34:47,827 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:34:47,829 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:34:47,838 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:34:47,846 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:34:47,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47 WrapperNode [2018-11-23 12:34:47,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:34:47,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:34:47,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:34:47,847 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:34:47,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:34:47,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:34:47,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:34:47,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:34:47,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... [2018-11-23 12:34:47,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:34:47,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:34:47,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:34:47,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:34:47,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 12:34:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:34:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:34:48,024 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:34:48,024 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 12:34:48,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:48 BoogieIcfgContainer [2018-11-23 12:34:48,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:34:48,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:34:48,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:34:48,031 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:34:48,032 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:48" (1/1) ... [2018-11-23 12:34:48,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:34:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:34:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 12:34:48,063 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 12:34:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 12:34:48,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:34:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:34:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:34:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:34:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:34:48,148 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 := 1.0E7;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, 2.0) 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=10000000.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=10000000.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~x~0=10000000.0, |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 := 1.0E7; [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, 2.0) 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=1.0E7] [L4] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] ----- ----- 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 := 1.0E7; [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, 2.0) 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=1.0E7] [L4] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [?] 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 := 1.0E7; [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, 2.0) 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=1.0E7] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] ----- ----- 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 := 1.0E7; [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, 2.0) 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=1.0E7] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [L4] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~0=1.0E7] [L8] havoc ~x~0; [L8] havoc ~y~0; [L8] havoc ~z~0; [L8] havoc ~r~0; [L10] ~x~0 := 1.0E7; [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 := 1.0E7; [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 = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L4] COND TRUE !(cond) [L4] __VERIFIER_error() ----- [2018-11-23 12:34:48,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:34:48 ImpRootNode [2018-11-23 12:34:48,165 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:34:48,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:34:48,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:34:48,165 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:34:48,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:48" (3/4) ... [2018-11-23 12:34:48,168 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:34:48,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:34:48,168 INFO L168 Benchmark]: Toolchain (without parser) took 466.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:34:48,169 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:34:48,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.35 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:48,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.66 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:48,171 INFO L168 Benchmark]: Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:34:48,171 INFO L168 Benchmark]: RCFGBuilder took 149.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:48,172 INFO L168 Benchmark]: CodeCheck took 139.49 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:48,173 INFO L168 Benchmark]: Witness Printer took 2.93 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. [2018-11-23 12:34:48,177 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 = 1e7f [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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.35 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 17.66 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.12 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 139.49 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.93 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-aa41828 [2018-11-23 12:34:49,567 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:34:49,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:34:49,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:34:49,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:34:49,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:34:49,576 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:34:49,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:34:49,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:34:49,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:34:49,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:34:49,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:34:49,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:34:49,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:34:49,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:34:49,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:34:49,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:34:49,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:34:49,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:34:49,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:34:49,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:34:49,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:34:49,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:34:49,590 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:34:49,590 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:34:49,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:34:49,591 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:34:49,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:34:49,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:34:49,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:34:49,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:34:49,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:34:49,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:34:49,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:34:49,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:34:49,595 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:34:49,595 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 12:34:49,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:34:49,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:34:49,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:34:49,607 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:34:49,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:34:49,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:34:49,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:34:49,608 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:34:49,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:34:49,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:34:49,609 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:34:49,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:34:49,609 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:34:49,609 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:34:49,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:34:49,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:34:49,610 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:34:49,611 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:34:49,611 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_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-11-23 12:34:49,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:34:49,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:34:49,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:34:49,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:34:49,649 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:34:49,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-23 12:34:49,684 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/a04e9b8be/4b994f8d6ab44ee9979228ecceea6ae4/FLAGe5ac9b48b [2018-11-23 12:34:49,976 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:34:49,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-11-23 12:34:49,980 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/a04e9b8be/4b994f8d6ab44ee9979228ecceea6ae4/FLAGe5ac9b48b [2018-11-23 12:34:49,988 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/data/a04e9b8be/4b994f8d6ab44ee9979228ecceea6ae4 [2018-11-23 12:34:49,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:34:49,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:34:49,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:34:49,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:34:49,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:34:49,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:49" (1/1) ... [2018-11-23 12:34:49,997 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 12:34:49, skipping insertion in model container [2018-11-23 12:34:49,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:49" (1/1) ... [2018-11-23 12:34:50,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:34:50,017 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:34:50,140 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:34:50,145 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:34:50,153 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:34:50,162 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:34:50,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50 WrapperNode [2018-11-23 12:34:50,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:34:50,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:34:50,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:34:50,164 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:34:50,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:34:50,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:34:50,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:34:50,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:34:50,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:34:50,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:34:50,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:34:50,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:34:50,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/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 12:34:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:34:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:34:50,369 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:34:50,369 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 12:34:50,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:50 BoogieIcfgContainer [2018-11-23 12:34:50,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:34:50,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:34:50,370 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:34:50,376 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:34:50,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:50" (1/1) ... [2018-11-23 12:34:50,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:34:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:34:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 12:34:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 12:34:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 12:34:50,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:34:50,440 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 12:34:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:34:50,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:34:50,648 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 12:34:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:34:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-23 12:34:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-23 12:34:51,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:34:51,023 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-23 12:34:51,030 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:34:51,044 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:34:51,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:34:51 ImpRootNode [2018-11-23 12:34:51,047 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:34:51,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:34:51,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:34:51,047 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:34:51,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:50" (3/4) ... [2018-11-23 12:34:51,050 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:34:51,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:34:51,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:34:51,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:34:51,080 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4625f038-cb37-4f2a-a7fe-12153ed38b10/bin-2019/ukojak/witness.graphml [2018-11-23 12:34:51,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:34:51,081 INFO L168 Benchmark]: Toolchain (without parser) took 1091.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:34:51,083 INFO L168 Benchmark]: CDTParser took 0.12 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 12:34:51,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.97 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 12:34:51,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.57 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 12:34:51,084 INFO L168 Benchmark]: Boogie Preprocessor took 12.55 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 12:34:51,084 INFO L168 Benchmark]: RCFGBuilder took 174.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:51,085 INFO L168 Benchmark]: CodeCheck took 676.48 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:51,085 INFO L168 Benchmark]: Witness Printer took 33.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:34:51,087 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, 0.6s 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, 0.1s 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 0.12 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 171.97 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 19.57 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 12.55 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 174.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * CodeCheck took 676.48 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Witness Printer took 33.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...