./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 4907b122df98ddbbf9083d03257189b61cf26f41 .......................................................................................................................................................................................................................................................................................................................................... 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_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 4907b122df98ddbbf9083d03257189b61cf26f41 ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:03:33,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:03:33,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:03:33,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:03:33,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:03:33,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:03:33,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:03:33,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:03:33,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:03:33,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:03:33,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:03:33,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:03:33,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:03:33,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:03:33,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:03:33,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:03:33,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:03:33,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:03:33,091 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:03:33,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:03:33,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:03:33,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:03:33,095 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:03:33,095 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:03:33,096 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:03:33,096 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:03:33,097 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:03:33,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:03:33,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:03:33,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:03:33,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:03:33,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:03:33,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:03:33,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:03:33,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:03:33,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:03:33,101 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 13:03:33,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:03:33,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:03:33,112 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:03:33,112 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:03:33,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:03:33,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:03:33,113 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:03:33,113 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:03:33,114 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:03:33,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:03:33,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:03:33,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:03:33,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:03:33,115 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:03:33,115 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 13:03:33,115 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:03:33,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:03:33,115 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_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2018-12-02 13:03:33,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:03:33,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:03:33,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:03:33,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:03:33,151 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:03:33,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-02 13:03:33,193 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/8a04312fd/44c0667f7cb44ea08c4147744daec512/FLAG5888e0dec [2018-12-02 13:03:33,516 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:03:33,517 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-02 13:03:33,521 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/8a04312fd/44c0667f7cb44ea08c4147744daec512/FLAG5888e0dec [2018-12-02 13:03:33,923 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/8a04312fd/44c0667f7cb44ea08c4147744daec512 [2018-12-02 13:03:33,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:03:33,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:03:33,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:33,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:03:33,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:03:33,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:33" (1/1) ... [2018-12-02 13:03:33,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c04efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:33, skipping insertion in model container [2018-12-02 13:03:33,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:33" (1/1) ... [2018-12-02 13:03:33,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:03:33,947 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:03:34,031 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:34,034 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:03:34,043 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:34,051 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:03:34,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34 WrapperNode [2018-12-02 13:03:34,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:34,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:34,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:03:34,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:03:34,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:34,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:03:34,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:03:34,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:03:34,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:03:34,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:03:34,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:03:34,113 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:03:34,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 [2018-12-02 13:03:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:03:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:03:34,226 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:03:34,226 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 13:03:34,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:34 BoogieIcfgContainer [2018-12-02 13:03:34,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:03:34,227 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:03:34,227 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:03:34,233 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:03:34,233 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:34" (1/1) ... [2018-12-02 13:03:34,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 13:03:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 13:03:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 13:03:34,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-02 13:03:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-02 13:03:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 13:03:34,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-02 13:03:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-02 13:03:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 13:03:34,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-02 13:03:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-02 13:03:34,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 13:03:34,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-02 13:03:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-02 13:03:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 13:03:34,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 13:03:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 13:03:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 13:03:34,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-12-02 13:03:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-02 13:03:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 13:03:34,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-02 13:03:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-02 13:03:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 13:03:34,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-02 13:03:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-02 13:03:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 13:03:34,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-02 13:03:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-02 13:03:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 13:03:34,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:34,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-12-02 13:03:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-12-02 13:03:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 13:03:34,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:34,968 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-02 13:03:34,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:03:34 ImpRootNode [2018-12-02 13:03:34,993 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:03:34,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:03:34,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:03:34,993 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:03:34,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:34" (3/4) ... [2018-12-02 13:03:34,997 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:03:34,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:03:34,998 INFO L168 Benchmark]: Toolchain (without parser) took 1072.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 956.0 MB in the beginning and 930.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:35,000 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:35,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:35,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:35,001 INFO L168 Benchmark]: Boogie Preprocessor took 41.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:35,002 INFO L168 Benchmark]: RCFGBuilder took 114.19 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:35,003 INFO L168 Benchmark]: CodeCheck took 765.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 134.0 MB). Peak memory consumption was 134.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:35,003 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 1.1 GB. Free memory is still 930.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:35,007 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, 9 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6646 SolverSat, 5626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 509 SyntacticMatches, 45 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 1635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 27]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 14. Possible FailurePath: [L1] int __return_main; [L7] float main__tick = 0.10000000149011612; [L8] float main__time = 0.0; [L9] int main__i; [L10] main__i = 0 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND TRUE main__i < 10 [L14] main__time = main__time + main__tick [L15] main__i = main__i + 1 VAL [__return_main=0] [L12] COND FALSE !(main__i < 10) [L21] int __tmp_1; [L22] __tmp_1 = main__time != 1.0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] __VERIFIER_error() VAL [__return_main=0] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.95 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 114.19 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 765.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 134.0 MB). Peak memory consumption was 134.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.36 ms. Allocated memory is still 1.1 GB. Free memory is still 930.8 MB. 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 0.1.23-635dfa2 [2018-12-02 13:03:36,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:03:36,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:03:36,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:03:36,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:03:36,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:03:36,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:03:36,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:03:36,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:03:36,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:03:36,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:03:36,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:03:36,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:03:36,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:03:36,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:03:36,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:03:36,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:03:36,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:03:36,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:03:36,305 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:03:36,306 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:03:36,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:03:36,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:03:36,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:03:36,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:03:36,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:03:36,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:03:36,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:03:36,309 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:03:36,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:03:36,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:03:36,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:03:36,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:03:36,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:03:36,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:03:36,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:03:36,311 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 13:03:36,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:03:36,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:03:36,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:03:36,319 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:03:36,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:03:36,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:03:36,320 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:03:36,321 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:03:36,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:03:36,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:03:36,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 13:03:36,322 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 13:03:36,322 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_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 -> 4907b122df98ddbbf9083d03257189b61cf26f41 [2018-12-02 13:03:36,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:03:36,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:03:36,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:03:36,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:03:36,354 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:03:36,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-02 13:03:36,399 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/bc7e76fe7/7b09b27c3d874a7e9358fba58af788ef/FLAGe8fa8971e [2018-12-02 13:03:36,782 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:03:36,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/sv-benchmarks/c/float-benchs/drift_tenth_true-unreach-call.c.p+cfa-reducer.c [2018-12-02 13:03:36,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/bc7e76fe7/7b09b27c3d874a7e9358fba58af788ef/FLAGe8fa8971e [2018-12-02 13:03:36,794 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/bin-2019/ukojak/data/bc7e76fe7/7b09b27c3d874a7e9358fba58af788ef [2018-12-02 13:03:36,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:03:36,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:03:36,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:36,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:03:36,799 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:03:36,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248a2b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36, skipping insertion in model container [2018-12-02 13:03:36,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:03:36,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:03:36,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:36,905 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:03:36,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:36,922 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:03:36,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36 WrapperNode [2018-12-02 13:03:36,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:36,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:36,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:03:36,923 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:03:36,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:36,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:03:36,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:03:36,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:03:36,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... [2018-12-02 13:03:36,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:03:36,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:03:36,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:03:36,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:03:36,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b9f5402-b07e-4f60-a8ad-c5bf47cbf6cf/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 [2018-12-02 13:03:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:03:37,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:03:37,192 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:03:37,192 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 13:03:37,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:37 BoogieIcfgContainer [2018-12-02 13:03:37,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:03:37,193 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:03:37,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:03:37,199 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:03:37,199 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:37" (1/1) ... [2018-12-02 13:03:37,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-02 13:03:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-02 13:03:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 13:03:37,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:37,259 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:37,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-02 13:03:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-02 13:03:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 13:03:37,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:37,475 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:37,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-02 13:03:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-02 13:03:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 13:03:37,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:37,721 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:37,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-02 13:03:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-02 13:03:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 13:03:38,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:38,108 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:38,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-02 13:03:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-02 13:03:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 13:03:38,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:38,432 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:38,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 13:03:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 13:03:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 13:03:38,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:38,938 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:38,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-12-02 13:03:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-12-02 13:03:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 13:03:39,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:39,390 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:39,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-02 13:03:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-02 13:03:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 13:03:39,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:39,845 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:39,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-02 13:03:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-02 13:03:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 13:03:40,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:40,283 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:40,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-02 13:03:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-02 13:03:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 13:03:40,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:40,703 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:40,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:03:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:03:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-02 13:03:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-02 13:03:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 13:03:41,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:03:41,246 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:03:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-02 13:03:51,364 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 13:03:51,367 INFO L168 Benchmark]: Toolchain (without parser) took 14570.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 879.5 MB in the end (delta: 65.2 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:51,368 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:51,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:51,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:51,369 INFO L168 Benchmark]: Boogie Preprocessor took 13.10 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:51,370 INFO L168 Benchmark]: RCFGBuilder took 235.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:51,370 INFO L168 Benchmark]: CodeCheck took 14173.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:51,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) * 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.76 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.10 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 235.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 14173.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 233.1 MB). Peak memory consumption was 233.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...