./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 0.1.24-cad4683 [2019-11-15 20:00:56,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:00:56,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:00:56,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:00:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:00:56,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:00:56,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:00:56,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:00:56,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:00:56,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:00:56,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:00:56,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:00:56,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:00:56,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:00:56,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:00:56,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:00:56,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:00:56,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:00:56,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:00:56,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:00:56,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:00:56,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:00:56,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:00:56,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:00:56,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:00:56,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:00:56,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:00:56,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:00:56,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:00:56,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:00:56,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:00:56,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:00:56,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:00:56,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:00:56,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:00:56,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:00:56,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:00:56,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:00:56,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:00:56,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:00:56,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:00:56,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:00:56,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:00:56,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:00:56,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:00:56,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:00:56,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:00:56,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:00:56,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:00:56,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:00:56,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:00:56,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:00:56,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:00:56,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:00:56,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:00:56,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:00:56,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:00:56,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:00:56,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:00:56,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:00:56,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:00:56,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:00:56,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:00:56,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:00:56,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:00:56,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:00:56,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:00:56,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:00:56,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:00:56,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:00:56,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 [2019-11-15 20:00:56,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:00:56,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:00:56,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:00:56,766 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:00:56,766 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:00:56,767 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-15 20:00:56,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/99608b43d/dcbd6419a270478b991c672e315cb6f4/FLAG41811ab2a [2019-11-15 20:00:57,205 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:00:57,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-15 20:00:57,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/99608b43d/dcbd6419a270478b991c672e315cb6f4/FLAG41811ab2a [2019-11-15 20:00:57,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/99608b43d/dcbd6419a270478b991c672e315cb6f4 [2019-11-15 20:00:57,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:00:57,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:00:57,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:00:57,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:00:57,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:00:57,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c2a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57, skipping insertion in model container [2019-11-15 20:00:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:00:57,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:00:57,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:00:57,724 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:00:57,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:00:57,822 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:00:57,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57 WrapperNode [2019-11-15 20:00:57,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:00:57,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:00:57,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:00:57,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:00:57,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:00:57,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:00:57,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:00:57,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:00:57,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... [2019-11-15 20:00:57,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:00:57,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:00:57,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:00:57,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:00:57,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 [2019-11-15 20:00:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:00:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:00:58,078 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:00:58,079 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:00:58,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:00:58 BoogieIcfgContainer [2019-11-15 20:00:58,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:00:58,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:00:58,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:00:58,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:00:58,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:00:57" (1/3) ... [2019-11-15 20:00:58,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6011108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:00:58, skipping insertion in model container [2019-11-15 20:00:58,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:00:57" (2/3) ... [2019-11-15 20:00:58,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6011108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:00:58, skipping insertion in model container [2019-11-15 20:00:58,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:00:58" (3/3) ... [2019-11-15 20:00:58,097 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-15 20:00:58,109 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:00:58,119 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:00:58,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:00:58,155 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:00:58,156 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:00:58,156 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:00:58,156 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:00:58,156 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:00:58,157 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:00:58,157 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:00:58,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:00:58,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 20:00:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 20:00:58,182 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:00:58,183 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 20:00:58,185 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:00:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:00:58,191 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 20:00:58,201 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:00:58,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845871778] [2019-11-15 20:00:58,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:00:58,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:00:58,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:00:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:00:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:00:58,290 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:00:58,290 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:00:58,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:00:58 BoogieIcfgContainer [2019-11-15 20:00:58,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:00:58,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:00:58,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:00:58,307 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:00:58,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:00:58" (3/4) ... [2019-11-15 20:00:58,312 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:00:58,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:00:58,315 INFO L168 Benchmark]: Toolchain (without parser) took 751.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:00:58,315 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:00:58,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:00:58,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 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. [2019-11-15 20:00:58,318 INFO L168 Benchmark]: Boogie Preprocessor took 13.61 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. [2019-11-15 20:00:58,318 INFO L168 Benchmark]: RCFGBuilder took 207.39 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:00:58,319 INFO L168 Benchmark]: TraceAbstraction took 225.46 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:00:58,320 INFO L168 Benchmark]: Witness Printer took 5.32 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. [2019-11-15 20:00:58,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.33 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. * Boogie Preprocessor took 13.61 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. * RCFGBuilder took 207.39 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.46 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.32 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 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-11-15 20:01:00,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:01:00,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:01:00,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:01:00,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:01:00,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:01:00,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:01:00,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:01:00,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:01:00,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:01:00,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:01:00,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:01:00,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:01:00,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:01:00,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:01:00,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:01:00,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:01:00,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:01:00,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:01:00,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:01:00,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:01:00,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:01:00,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:01:00,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:01:00,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:01:00,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:01:00,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:01:00,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:01:00,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:01:00,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:01:00,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:01:00,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:01:00,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:01:00,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:01:00,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:01:00,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:01:00,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:01:00,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:01:00,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:01:00,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:01:00,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:01:00,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:01:00,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:01:00,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:01:00,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:01:00,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:01:00,676 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:01:00,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:01:00,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:01:00,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:01:00,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:01:00,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:01:00,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:01:00,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:01:00,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:01:00,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:01:00,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:01:00,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:01:00,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:01:00,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:01:00,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:01:00,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:01:00,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:01:00,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:01:00,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:01:00,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:01:00,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:01:00,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:01:00,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:01:00,682 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:01:00,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:01:00,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:01:00,682 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 [2019-11-15 20:01:00,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:01:00,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:01:00,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:01:00,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:01:00,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:01:00,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-15 20:01:00,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/57dacf4ef/9a92c85b9498461bba270dccce491ae2/FLAGa87864471 [2019-11-15 20:01:01,184 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:01:01,185 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-15 20:01:01,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/57dacf4ef/9a92c85b9498461bba270dccce491ae2/FLAGa87864471 [2019-11-15 20:01:01,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/data/57dacf4ef/9a92c85b9498461bba270dccce491ae2 [2019-11-15 20:01:01,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:01:01,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:01:01,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:01:01,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:01:01,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:01:01,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e16acd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01, skipping insertion in model container [2019-11-15 20:01:01,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:01:01,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:01:01,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:01:01,753 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:01:01,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:01:01,780 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:01:01,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01 WrapperNode [2019-11-15 20:01:01,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:01:01,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:01:01,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:01:01,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:01:01,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:01:01,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:01:01,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:01:01,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:01:01,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... [2019-11-15 20:01:01,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:01:01,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:01:01,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:01:01,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:01:01,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 [2019-11-15 20:01:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:01:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:01:02,051 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:01:02,052 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:01:02,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:01:02 BoogieIcfgContainer [2019-11-15 20:01:02,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:01:02,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:01:02,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:01:02,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:01:02,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:01:01" (1/3) ... [2019-11-15 20:01:02,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da7934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:01:02, skipping insertion in model container [2019-11-15 20:01:02,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:01:01" (2/3) ... [2019-11-15 20:01:02,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da7934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:01:02, skipping insertion in model container [2019-11-15 20:01:02,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:01:02" (3/3) ... [2019-11-15 20:01:02,061 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-15 20:01:02,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:01:02,076 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:01:02,084 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:01:02,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:01:02,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:01:02,102 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:01:02,102 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:01:02,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:01:02,102 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:01:02,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:01:02,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:01:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 20:01:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 20:01:02,119 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:01:02,120 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 20:01:02,121 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:01:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:01:02,126 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 20:01:02,133 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:01:02,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956760576] [2019-11-15 20:01:02,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/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 [2019-11-15 20:01:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:01:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:01:02,197 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-15 20:01:02,198 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:01:02,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:01:02,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:01:02 BoogieIcfgContainer [2019-11-15 20:01:02,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:01:02,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:01:02,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:01:02,425 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:01:02,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:01:02" (3/4) ... [2019-11-15 20:01:02,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 20:01:02,460 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c9f7932d-21b5-4750-a04f-7a4ee5258179/bin/uautomizer/witness.graphml [2019-11-15 20:01:02,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:01:02,463 INFO L168 Benchmark]: Toolchain (without parser) took 900.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:01:02,464 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:01:02,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.18 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,467 INFO L168 Benchmark]: Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,468 INFO L168 Benchmark]: RCFGBuilder took 172.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,469 INFO L168 Benchmark]: TraceAbstraction took 370.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,469 INFO L168 Benchmark]: Witness Printer took 35.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:01:02,473 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.18 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.2 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 80.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 172.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 370.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Witness Printer took 35.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. 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; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...