./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 0.1.23-635dfa2 [2018-12-09 00:04:42,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:04:42,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:04:42,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:04:42,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:04:42,373 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:04:42,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:04:42,375 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:04:42,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:04:42,376 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:04:42,377 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:04:42,377 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:04:42,378 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:04:42,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:04:42,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:04:42,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:04:42,380 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:04:42,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:04:42,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:04:42,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:04:42,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:04:42,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:04:42,385 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:04:42,385 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:04:42,385 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:04:42,386 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:04:42,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:04:42,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:04:42,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:04:42,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:04:42,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:04:42,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:04:42,389 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:04:42,389 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:04:42,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:04:42,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:04:42,390 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:04:42,397 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:04:42,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:04:42,398 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:04:42,398 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:04:42,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:04:42,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:04:42,399 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:04:42,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:04:42,399 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:04:42,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:04:42,399 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:04:42,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:04:42,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:04:42,401 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:04:42,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:04:42,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:04:42,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:04:42,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:04:42,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:04:42,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:04:42,402 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:04:42,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:04:42,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:04:42,402 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_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 [2018-12-09 00:04:42,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:04:42,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:04:42,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:04:42,430 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:04:42,430 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:04:42,431 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:42,468 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/4014da7ba/d6f71d494a8a4a02a191848929a07fba/FLAG47e1a27f6 [2018-12-09 00:04:42,828 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:04:42,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:42,832 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/4014da7ba/d6f71d494a8a4a02a191848929a07fba/FLAG47e1a27f6 [2018-12-09 00:04:43,203 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/4014da7ba/d6f71d494a8a4a02a191848929a07fba [2018-12-09 00:04:43,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:04:43,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:04:43,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:04:43,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:04:43,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:04:43,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43, skipping insertion in model container [2018-12-09 00:04:43,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:04:43,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:04:43,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:04:43,311 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:04:43,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:04:43,326 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:04:43,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43 WrapperNode [2018-12-09 00:04:43,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:04:43,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:04:43,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:04:43,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:04:43,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:04:43,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:04:43,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:04:43,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:04:43,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... [2018-12-09 00:04:43,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:04:43,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:04:43,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:04:43,350 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:04:43,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 [2018-12-09 00:04:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:04:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:04:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:04:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:04:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:04:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:04:43,481 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:04:43,481 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:04:43,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:43 BoogieIcfgContainer [2018-12-09 00:04:43,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:04:43,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:04:43,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:04:43,484 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:04:43,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:04:43" (1/3) ... [2018-12-09 00:04:43,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4633338c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:04:43, skipping insertion in model container [2018-12-09 00:04:43,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:43" (2/3) ... [2018-12-09 00:04:43,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4633338c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:04:43, skipping insertion in model container [2018-12-09 00:04:43,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:43" (3/3) ... [2018-12-09 00:04:43,486 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:43,492 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:04:43,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:04:43,506 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:04:43,528 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:04:43,528 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:04:43,529 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:04:43,529 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:04:43,529 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:04:43,529 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:04:43,529 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:04:43,529 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:04:43,529 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:04:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 00:04:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:04:43,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:04:43,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:04:43,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:04:43,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:04:43,550 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 00:04:43,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:04:43,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:04:43,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:04:43,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:04:43,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:04:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:04:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:04:43,617 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:04:43,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:04:43 BoogieIcfgContainer [2018-12-09 00:04:43,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:04:43,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:04:43,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:04:43,630 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:04:43,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:43" (3/4) ... [2018-12-09 00:04:43,632 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 00:04:43,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:04:43,633 INFO L168 Benchmark]: Toolchain (without parser) took 428.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 958.7 MB in the beginning and 1.0 GB in the end (delta: -86.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:43,634 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:43,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.26 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:43,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.76 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:43,635 INFO L168 Benchmark]: Boogie Preprocessor took 10.49 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:43,636 INFO L168 Benchmark]: RCFGBuilder took 131.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:43,637 INFO L168 Benchmark]: TraceAbstraction took 147.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:43,637 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:43,640 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 120.26 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 950.5 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 11.76 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.49 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 131.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 147.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 0.1.23-635dfa2 [2018-12-09 00:04:44,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:04:44,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:04:44,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:04:44,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:04:44,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:04:44,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:04:44,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:04:44,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:04:44,956 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:04:44,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:04:44,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:04:44,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:04:44,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:04:44,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:04:44,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:04:44,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:04:44,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:04:44,962 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:04:44,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:04:44,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:04:44,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:04:44,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:04:44,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:04:44,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:04:44,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:04:44,968 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:04:44,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:04:44,969 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:04:44,970 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:04:44,970 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:04:44,971 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:04:44,971 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:04:44,971 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:04:44,972 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:04:44,972 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:04:44,972 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 00:04:44,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:04:44,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:04:44,983 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:04:44,983 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:04:44,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:04:44,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:04:44,984 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:04:44,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:04:44,985 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 00:04:44,986 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 00:04:44,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:04:44,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:04:44,986 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:04:44,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:04:44,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:04:44,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:04:44,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:04:44,988 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 00:04:44,988 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:04:44,988 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 00:04:44,988 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 00:04:44,988 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_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 [2018-12-09 00:04:45,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:04:45,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:04:45,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:04:45,024 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:04:45,024 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:04:45,025 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:45,063 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/538a08c24/35a1904dc27f41eabbe033b17e6fb474/FLAGd620feb78 [2018-12-09 00:04:45,444 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:04:45,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:45,448 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/538a08c24/35a1904dc27f41eabbe033b17e6fb474/FLAGd620feb78 [2018-12-09 00:04:45,456 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/data/538a08c24/35a1904dc27f41eabbe033b17e6fb474 [2018-12-09 00:04:45,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:04:45,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:04:45,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:04:45,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:04:45,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:04:45,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7695bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45, skipping insertion in model container [2018-12-09 00:04:45,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:04:45,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:04:45,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:04:45,570 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:04:45,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:04:45,586 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:04:45,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45 WrapperNode [2018-12-09 00:04:45,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:04:45,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:04:45,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:04:45,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:04:45,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:04:45,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:04:45,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:04:45,600 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:04:45,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... [2018-12-09 00:04:45,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:04:45,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:04:45,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:04:45,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:04:45,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 [2018-12-09 00:04:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:04:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:04:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:04:45,741 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:04:45,741 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 00:04:45,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:45 BoogieIcfgContainer [2018-12-09 00:04:45,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:04:45,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:04:45,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:04:45,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:04:45,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:04:45" (1/3) ... [2018-12-09 00:04:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871dbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:04:45, skipping insertion in model container [2018-12-09 00:04:45,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:04:45" (2/3) ... [2018-12-09 00:04:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871dbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:04:45, skipping insertion in model container [2018-12-09 00:04:45,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:45" (3/3) ... [2018-12-09 00:04:45,746 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 00:04:45,751 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:04:45,755 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:04:45,764 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:04:45,780 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:04:45,780 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:04:45,780 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:04:45,780 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:04:45,780 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:04:45,780 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:04:45,780 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:04:45,781 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:04:45,781 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:04:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 00:04:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:04:45,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:04:45,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:04:45,794 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:04:45,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:04:45,798 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 00:04:45,800 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 00:04:45,800 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/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 [2018-12-09 00:04:45,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:04:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:04:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:04:45,849 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:04:45,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:04:45 BoogieIcfgContainer [2018-12-09 00:04:45,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:04:45,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:04:45,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:04:45,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:04:45,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:04:45" (3/4) ... [2018-12-09 00:04:45,865 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:04:45,887 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8102723-cb03-4af5-be1f-98c9f80b71d2/bin-2019/uautomizer/witness.graphml [2018-12-09 00:04:45,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:04:45,888 INFO L168 Benchmark]: Toolchain (without parser) took 429.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:45,889 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-09 00:04:45,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.23 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:45,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.13 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:45,890 INFO L168 Benchmark]: Boogie Preprocessor took 13.30 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:04:45,891 INFO L168 Benchmark]: RCFGBuilder took 128.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:45,891 INFO L168 Benchmark]: TraceAbstraction took 120.53 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:04:45,892 INFO L168 Benchmark]: Witness Printer took 24.45 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. [2018-12-09 00:04:45,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 127.23 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.13 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.30 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 128.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 120.53 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Witness Printer took 24.45 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, 0.0s 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...