./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 0.1.24-678e011 [2019-11-20 02:55:42,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:55:42,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:55:42,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:55:42,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:55:42,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:55:42,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:55:42,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:55:42,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:55:42,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:55:42,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:55:42,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:55:42,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:55:42,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:55:42,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:55:42,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:55:42,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:55:42,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:55:42,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:55:42,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:55:42,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:55:42,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:55:42,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:55:42,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:55:42,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:55:42,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:55:42,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:55:42,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:55:42,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:55:42,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:55:42,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:55:42,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:55:42,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:55:42,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:55:42,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:55:42,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:55:42,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:55:42,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:55:42,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:55:42,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:55:42,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:55:42,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:55:42,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:55:42,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:55:42,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:55:42,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:55:42,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:55:42,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:55:42,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:55:42,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:55:42,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:55:42,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:55:42,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:55:42,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:55:42,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:55:42,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:55:42,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:55:42,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:55:42,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:55:42,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:55:42,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:55:42,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:55:42,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:55:42,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:55:42,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:55:42,627 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_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 [2019-11-20 02:55:42,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:55:42,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:55:42,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:55:42,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:55:42,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:55:42,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-20 02:55:42,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/5be0166f5/4295076ab51c49b28665a7d4227beb66/FLAG77a9b543e [2019-11-20 02:55:43,240 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:55:43,240 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-20 02:55:43,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/5be0166f5/4295076ab51c49b28665a7d4227beb66/FLAG77a9b543e [2019-11-20 02:55:43,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/5be0166f5/4295076ab51c49b28665a7d4227beb66 [2019-11-20 02:55:43,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:55:43,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:55:43,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:55:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:55:43,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:55:43,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa37bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43, skipping insertion in model container [2019-11-20 02:55:43,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:55:43,644 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:55:43,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:55:43,821 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:55:43,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:55:43,902 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:55:43,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43 WrapperNode [2019-11-20 02:55:43,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:55:43,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:55:43,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:55:43,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:55:43,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:55:43,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:55:43,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:55:43,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:55:43,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... [2019-11-20 02:55:43,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:55:43,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:55:43,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:55:43,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:55:43,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 [2019-11-20 02:55:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:55:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:55:44,106 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:55:44,106 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:55:44,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:44 BoogieIcfgContainer [2019-11-20 02:55:44,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:55:44,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:55:44,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:55:44,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:55:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:55:43" (1/3) ... [2019-11-20 02:55:44,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62541f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:55:44, skipping insertion in model container [2019-11-20 02:55:44,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:43" (2/3) ... [2019-11-20 02:55:44,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62541f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:55:44, skipping insertion in model container [2019-11-20 02:55:44,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:44" (3/3) ... [2019-11-20 02:55:44,114 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-20 02:55:44,123 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:55:44,128 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:55:44,138 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:55:44,163 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:55:44,163 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:55:44,164 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:55:44,164 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:55:44,165 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:55:44,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:55:44,165 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:55:44,168 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:55:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-20 02:55:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 02:55:44,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:55:44,190 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 02:55:44,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:55:44,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:55:44,196 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-20 02:55:44,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:55:44,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704846196] [2019-11-20 02:55:44,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:55:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:55:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:55:44,298 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:55:44,298 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:55:44,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:55:44 BoogieIcfgContainer [2019-11-20 02:55:44,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:55:44,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:55:44,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:55:44,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:55:44,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:44" (3/4) ... [2019-11-20 02:55:44,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:55:44,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:55:44,321 INFO L168 Benchmark]: Toolchain (without parser) took 704.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -110.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:44,321 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:44,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:44,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:44,325 INFO L168 Benchmark]: Boogie Preprocessor took 12.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:44,326 INFO L168 Benchmark]: RCFGBuilder took 163.47 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:44,327 INFO L168 Benchmark]: TraceAbstraction took 203.92 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:44,328 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:44,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 163.47 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 203.92 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.11 ms. Allocated memory is still 1.1 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 0.1.24-678e011 [2019-11-20 02:55:46,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:55:46,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:55:46,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:55:46,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:55:46,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:55:46,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:55:46,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:55:46,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:55:46,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:55:46,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:55:46,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:55:46,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:55:46,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:55:46,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:55:46,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:55:46,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:55:46,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:55:46,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:55:46,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:55:46,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:55:46,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:55:46,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:55:46,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:55:46,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:55:46,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:55:46,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:55:46,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:55:46,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:55:46,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:55:46,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:55:46,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:55:46,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:55:46,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:55:46,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:55:46,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:55:46,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:55:46,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:55:46,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:55:46,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:55:46,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:55:46,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 02:55:46,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:55:46,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:55:46,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:55:46,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:55:46,320 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:55:46,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:55:46,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:55:46,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:55:46,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:55:46,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:55:46,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:55:46,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:55:46,322 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 02:55:46,322 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 02:55:46,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:55:46,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:55:46,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:55:46,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:55:46,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:55:46,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:55:46,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:55:46,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:55:46,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:55:46,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:55:46,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:55:46,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:55:46,326 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 02:55:46,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 02:55:46,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:55:46,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:55:46,327 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_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 [2019-11-20 02:55:46,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:55:46,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:55:46,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:55:46,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:55:46,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:55:46,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-20 02:55:46,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/e286928f4/f07a42ee5c3645eb9df970ea2c494040/FLAGa74ffdd8a [2019-11-20 02:55:46,994 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:55:46,995 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-20 02:55:46,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/e286928f4/f07a42ee5c3645eb9df970ea2c494040/FLAGa74ffdd8a [2019-11-20 02:55:47,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/data/e286928f4/f07a42ee5c3645eb9df970ea2c494040 [2019-11-20 02:55:47,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:55:47,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:55:47,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:55:47,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:55:47,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:55:47,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7806c80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47, skipping insertion in model container [2019-11-20 02:55:47,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:55:47,447 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:55:47,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:55:47,629 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:55:47,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:55:47,655 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:55:47,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47 WrapperNode [2019-11-20 02:55:47,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:55:47,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:55:47,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:55:47,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:55:47,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:55:47,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:55:47,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:55:47,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:55:47,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... [2019-11-20 02:55:47,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:55:47,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:55:47,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:55:47,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:55:47,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 [2019-11-20 02:55:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:55:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:55:47,951 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:55:47,951 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:55:47,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:47 BoogieIcfgContainer [2019-11-20 02:55:47,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:55:47,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:55:47,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:55:47,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:55:47,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:55:47" (1/3) ... [2019-11-20 02:55:47,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a24eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:55:47, skipping insertion in model container [2019-11-20 02:55:47,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:55:47" (2/3) ... [2019-11-20 02:55:47,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a24eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:55:47, skipping insertion in model container [2019-11-20 02:55:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:47" (3/3) ... [2019-11-20 02:55:47,958 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-20 02:55:47,966 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:55:47,970 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 02:55:47,979 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 02:55:47,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:55:48,000 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:55:48,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:55:48,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:55:48,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:55:48,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:55:48,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:55:48,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:55:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-20 02:55:48,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 02:55:48,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:55:48,018 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 02:55:48,019 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:55:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:55:48,024 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-20 02:55:48,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 02:55:48,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607706711] [2019-11-20 02:55:48,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/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 [2019-11-20 02:55:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:55:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:55:48,095 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 02:55:48,096 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 02:55:48,309 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 02:55:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:55:48 BoogieIcfgContainer [2019-11-20 02:55:48,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:55:48,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:55:48,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:55:48,322 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:55:48,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:55:47" (3/4) ... [2019-11-20 02:55:48,324 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:55:48,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_217e8888-d9d3-4a08-a43b-bb7e21c41e0e/bin/uautomizer/witness.graphml [2019-11-20 02:55:48,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:55:48,359 INFO L168 Benchmark]: Toolchain (without parser) took 943.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:48,360 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:48,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.67 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 944.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,362 INFO L168 Benchmark]: Boogie Preprocessor took 75.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,362 INFO L168 Benchmark]: RCFGBuilder took 188.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,363 INFO L168 Benchmark]: TraceAbstraction took 369.07 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,363 INFO L168 Benchmark]: Witness Printer took 35.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:48,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 238.67 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 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 30.45 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 944.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 369.07 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Witness Printer took 35.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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...