./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0165a55c46ef5a57261b602c26894979b70d9ffe ..................................................................................................................................................................................................................................... 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_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0165a55c46ef5a57261b602c26894979b70d9ffe .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:32:15,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:32:15,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:32:15,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:32:15,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:32:15,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:32:15,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:32:15,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:32:15,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:32:15,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:32:15,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:32:15,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:32:15,366 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:32:15,367 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:32:15,368 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:32:15,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:32:15,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:32:15,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:32:15,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:32:15,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:32:15,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:32:15,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:32:15,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:32:15,378 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:32:15,378 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:32:15,379 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:32:15,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:32:15,380 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:32:15,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:32:15,382 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:32:15,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:32:15,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:32:15,383 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:32:15,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:32:15,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:32:15,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:32:15,385 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:32:15,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:32:15,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:32:15,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:32:15,399 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:32:15,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:32:15,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:32:15,400 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:32:15,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:32:15,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:32:15,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:32:15,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:32:15,402 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:32:15,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:32:15,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:32:15,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:32:15,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:32:15,403 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:32:15,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:32:15,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:32:15,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:32:15,403 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:32:15,404 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:32:15,404 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:32:15,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:32:15,404 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_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer 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 -> Automizer 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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-28 12:32:15,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:32:15,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:32:15,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:32:15,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:32:15,446 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:32:15,446 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:15,490 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/2bb102362/8afd6fc1883446c1b3984fdf6d5763b0/FLAG0eeddaad1 [2018-11-28 12:32:15,840 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:32:15,841 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:15,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/2bb102362/8afd6fc1883446c1b3984fdf6d5763b0/FLAG0eeddaad1 [2018-11-28 12:32:16,267 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/2bb102362/8afd6fc1883446c1b3984fdf6d5763b0 [2018-11-28 12:32:16,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:32:16,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:32:16,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:32:16,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:32:16,276 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:32:16,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bce3877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16, skipping insertion in model container [2018-11-28 12:32:16,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:32:16,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:32:16,394 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:32:16,398 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:32:16,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:32:16,414 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:32:16,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16 WrapperNode [2018-11-28 12:32:16,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:32:16,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:32:16,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:32:16,415 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:32:16,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:32:16,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:32:16,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:32:16,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:32:16,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... [2018-11-28 12:32:16,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:32:16,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:32:16,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:32:16,439 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:32:16,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-28 12:32:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:32:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:32:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:32:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:32:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:32:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:32:16,586 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:32:16,586 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:32:16,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:16 BoogieIcfgContainer [2018-11-28 12:32:16,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:32:16,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:32:16,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:32:16,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:32:16,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:32:16" (1/3) ... [2018-11-28 12:32:16,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:32:16, skipping insertion in model container [2018-11-28 12:32:16,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:16" (2/3) ... [2018-11-28 12:32:16,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:32:16, skipping insertion in model container [2018-11-28 12:32:16,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:16" (3/3) ... [2018-11-28 12:32:16,593 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:16,599 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:32:16,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:32:16,614 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:32:16,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:32:16,636 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:32:16,636 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:32:16,636 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:32:16,636 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:32:16,637 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:32:16,637 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:32:16,637 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:32:16,637 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:32:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 12:32:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:32:16,652 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:32:16,652 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:32:16,654 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:32:16,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:32:16,660 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 12:32:16,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:32:16,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:32:16,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:32:16,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:32:16,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:32:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:32:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:32:16,731 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:32:16,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:32:16 BoogieIcfgContainer [2018-11-28 12:32:16,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:32:16,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:32:16,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:32:16,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:32:16,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:16" (3/4) ... [2018-11-28 12:32:16,748 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:32:16,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:32:16,749 INFO L168 Benchmark]: Toolchain (without parser) took 478.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:16,750 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:16,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:16,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:16,752 INFO L168 Benchmark]: Boogie Preprocessor took 11.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:16,752 INFO L168 Benchmark]: RCFGBuilder took 147.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:16,753 INFO L168 Benchmark]: TraceAbstraction took 157.54 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:16,753 INFO L168 Benchmark]: Witness Printer took 3.07 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. [2018-11-28 12:32:16,756 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.77 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 945.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.63 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 157.54 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 VAL [i=1] [L10] __VERIFIER_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:32:18,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:32:18,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:32:18,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:32:18,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:32:18,521 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:32:18,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:32:18,524 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:32:18,525 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:32:18,526 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:32:18,526 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:32:18,527 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:32:18,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:32:18,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:32:18,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:32:18,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:32:18,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:32:18,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:32:18,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:32:18,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:32:18,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:32:18,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:32:18,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:32:18,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:32:18,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:32:18,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:32:18,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:32:18,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:32:18,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:32:18,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:32:18,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:32:18,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:32:18,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:32:18,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:32:18,547 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:32:18,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:32:18,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 12:32:18,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:32:18,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:32:18,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:32:18,562 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:32:18,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:32:18,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:32:18,563 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:32:18,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:32:18,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:32:18,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:32:18,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:32:18,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:32:18,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:32:18,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:32:18,565 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:32:18,566 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:32:18,566 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:32:18,566 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:32:18,566 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:32:18,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:32:18,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:32:18,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:32:18,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:32:18,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:32:18,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:32:18,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:32:18,568 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:32:18,568 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_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer 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 -> Automizer 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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-28 12:32:18,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:32:18,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:32:18,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:32:18,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:32:18,615 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:32:18,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:18,666 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/cb0b53d6e/05fc4b28f2644e4d8964675a368dac4e/FLAG4b67007c2 [2018-11-28 12:32:19,027 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:32:19,027 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:19,032 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/cb0b53d6e/05fc4b28f2644e4d8964675a368dac4e/FLAG4b67007c2 [2018-11-28 12:32:19,043 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/data/cb0b53d6e/05fc4b28f2644e4d8964675a368dac4e [2018-11-28 12:32:19,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:32:19,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:32:19,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:32:19,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:32:19,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:32:19,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4856e969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19, skipping insertion in model container [2018-11-28 12:32:19,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:32:19,069 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:32:19,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:32:19,193 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:32:19,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:32:19,218 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:32:19,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19 WrapperNode [2018-11-28 12:32:19,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:32:19,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:32:19,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:32:19,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:32:19,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:32:19,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:32:19,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:32:19,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:32:19,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... [2018-11-28 12:32:19,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:32:19,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:32:19,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:32:19,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:32:19,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-28 12:32:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:32:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:32:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:32:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:32:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:32:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:32:19,431 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:32:19,431 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:32:19,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:19 BoogieIcfgContainer [2018-11-28 12:32:19,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:32:19,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:32:19,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:32:19,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:32:19,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:32:19" (1/3) ... [2018-11-28 12:32:19,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445c76fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:32:19, skipping insertion in model container [2018-11-28 12:32:19,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:32:19" (2/3) ... [2018-11-28 12:32:19,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445c76fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:32:19, skipping insertion in model container [2018-11-28 12:32:19,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:19" (3/3) ... [2018-11-28 12:32:19,439 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-28 12:32:19,446 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:32:19,451 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:32:19,462 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:32:19,490 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:32:19,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:32:19,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:32:19,491 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:32:19,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:32:19,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:32:19,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:32:19,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:32:19,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:32:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 12:32:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:32:19,508 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:32:19,509 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:32:19,511 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:32:19,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:32:19,515 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 12:32:19,518 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 12:32:19,518 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-28 12:32:19,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:32:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:32:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:32:19,580 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:32:19,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:32:19 BoogieIcfgContainer [2018-11-28 12:32:19,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:32:19,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:32:19,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:32:19,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:32:19,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:32:19" (3/4) ... [2018-11-28 12:32:19,602 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:32:19,637 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8839b565-13f8-438d-80cc-909ffe0b26ac/bin-2019/uautomizer/witness.graphml [2018-11-28 12:32:19,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:32:19,638 INFO L168 Benchmark]: Toolchain (without parser) took 591.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:19,639 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-28 12:32:19,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 935.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:19,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.64 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:19,641 INFO L168 Benchmark]: Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:32:19,641 INFO L168 Benchmark]: RCFGBuilder took 177.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 930.0 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:19,642 INFO L168 Benchmark]: TraceAbstraction took 165.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:32:19,643 INFO L168 Benchmark]: Witness Printer took 37.85 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. [2018-11-28 12:32:19,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 171.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 935.3 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 16.64 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 177.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 930.0 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 165.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.85 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; VAL [f=1.0, i=1] [L6] COND TRUE i == 1 VAL [f=1.0, i=1] [L10] __VERIFIER_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...