./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/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_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/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 0.1.25-f470102 [2019-12-07 17:28:49,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:28:49,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:28:49,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:28:49,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:28:49,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:28:49,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:28:49,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:28:49,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:28:49,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:28:49,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:28:49,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:28:49,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:28:49,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:28:49,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:28:49,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:28:49,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:28:49,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:28:49,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:28:49,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:28:49,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:28:49,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:28:49,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:28:49,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:28:49,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:28:49,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:28:49,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:28:49,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:28:49,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:28:49,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:28:49,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:28:49,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:28:49,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:28:49,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:28:49,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:28:49,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:28:49,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:28:49,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:28:49,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:28:49,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:28:49,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:28:49,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:28:49,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:28:49,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:28:49,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:28:49,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:28:49,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:28:49,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:28:49,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:28:49,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:28:49,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:28:49,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:28:49,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:28:49,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:28:49,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:28:49,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:28:49,684 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_52127735-b81e-4d50-8395-76634d064343/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 [2019-12-07 17:28:49,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:28:49,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:28:49,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:28:49,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:28:49,810 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:28:49,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-12-07 17:28:49,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/7739bdf5a/40e4e1a49fc947d0a6c2fbdb9890b1af/FLAG91dc21c65 [2019-12-07 17:28:50,253 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:28:50,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-12-07 17:28:50,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/7739bdf5a/40e4e1a49fc947d0a6c2fbdb9890b1af/FLAG91dc21c65 [2019-12-07 17:28:50,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/7739bdf5a/40e4e1a49fc947d0a6c2fbdb9890b1af [2019-12-07 17:28:50,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:28:50,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:28:50,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:50,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:28:50,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:28:50,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7a4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50, skipping insertion in model container [2019-12-07 17:28:50,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:28:50,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:28:50,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:50,386 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:28:50,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:50,439 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:28:50,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50 WrapperNode [2019-12-07 17:28:50,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:50,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:50,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:28:50,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:28:50,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:50,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:28:50,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:28:50,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:28:50,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... [2019-12-07 17:28:50,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:28:50,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:28:50,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:28:50,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:28:50,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/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 [2019-12-07 17:28:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:28:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:28:50,580 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:28:50,580 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 17:28:50,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:50 BoogieIcfgContainer [2019-12-07 17:28:50,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:28:50,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:28:50,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:28:50,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:28:50,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:28:50" (1/3) ... [2019-12-07 17:28:50,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3595ae5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:50, skipping insertion in model container [2019-12-07 17:28:50,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:50" (2/3) ... [2019-12-07 17:28:50,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3595ae5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:50, skipping insertion in model container [2019-12-07 17:28:50,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:50" (3/3) ... [2019-12-07 17:28:50,586 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-12-07 17:28:50,592 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:28:50,596 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:28:50,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:28:50,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:28:50,618 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:28:50,618 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:28:50,618 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:28:50,618 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:28:50,618 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:28:50,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:28:50,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:28:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-12-07 17:28:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 17:28:50,630 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:50,631 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 17:28:50,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:50,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:50,635 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-12-07 17:28:50,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:50,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906581744] [2019-12-07 17:28:50,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:28:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:28:50,702 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:28:50,703 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:28:50,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:28:50 BoogieIcfgContainer [2019-12-07 17:28:50,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:28:50,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:28:50,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:28:50,712 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:28:50,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:50" (3/4) ... [2019-12-07 17:28:50,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:28:50,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:28:50,717 INFO L168 Benchmark]: Toolchain (without parser) took 447.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:28:50,717 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:28:50,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:50,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.38 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. [2019-12-07 17:28:50,718 INFO L168 Benchmark]: Boogie Preprocessor took 10.35 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. [2019-12-07 17:28:50,719 INFO L168 Benchmark]: RCFGBuilder took 110.80 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:50,719 INFO L168 Benchmark]: TraceAbstraction took 130.13 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:50,719 INFO L168 Benchmark]: Witness Printer took 2.83 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. [2019-12-07 17:28:50,722 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.38 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 10.35 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 110.80 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130.13 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 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: 0.0s, 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 0.1.25-f470102 [2019-12-07 17:28:52,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:28:52,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:28:52,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:28:52,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:28:52,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:28:52,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:28:52,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:28:52,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:28:52,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:28:52,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:28:52,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:28:52,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:28:52,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:28:52,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:28:52,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:28:52,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:28:52,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:28:52,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:28:52,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:28:52,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:28:52,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:28:52,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:28:52,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:28:52,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:28:52,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:28:52,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:28:52,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:28:52,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:28:52,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:28:52,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:28:52,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:28:52,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:28:52,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:28:52,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:28:52,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:28:52,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:28:52,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:28:52,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:28:52,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:28:52,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:28:52,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:28:52,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:28:52,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:28:52,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:28:52,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:28:52,102 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:28:52,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:28:52,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:28:52,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:28:52,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:28:52,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:28:52,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:28:52,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:28:52,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:28:52,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:28:52,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:28:52,106 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_52127735-b81e-4d50-8395-76634d064343/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 [2019-12-07 17:28:52,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:28:52,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:28:52,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:28:52,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:28:52,294 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:28:52,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-12-07 17:28:52,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/d72b4d88b/a1f05fe9eed6454db8b0aa5068c87316/FLAG4f41dd418 [2019-12-07 17:28:52,814 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:28:52,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-12-07 17:28:52,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/d72b4d88b/a1f05fe9eed6454db8b0aa5068c87316/FLAG4f41dd418 [2019-12-07 17:28:53,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/data/d72b4d88b/a1f05fe9eed6454db8b0aa5068c87316 [2019-12-07 17:28:53,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:28:53,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:28:53,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:53,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:28:53,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:28:53,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f5e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53, skipping insertion in model container [2019-12-07 17:28:53,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:28:53,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:28:53,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:53,450 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:28:53,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:53,471 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:28:53,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53 WrapperNode [2019-12-07 17:28:53,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:53,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:53,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:28:53,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:28:53,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:53,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:28:53,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:28:53,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:28:53,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:28:53,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:28:53,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:28:53,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:28:53,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/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 [2019-12-07 17:28:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:28:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:28:53,661 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:28:53,661 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 17:28:53,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:53 BoogieIcfgContainer [2019-12-07 17:28:53,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:28:53,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:28:53,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:28:53,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:28:53,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:28:53" (1/3) ... [2019-12-07 17:28:53,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:53, skipping insertion in model container [2019-12-07 17:28:53,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53" (2/3) ... [2019-12-07 17:28:53,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:53, skipping insertion in model container [2019-12-07 17:28:53,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:53" (3/3) ... [2019-12-07 17:28:53,667 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-12-07 17:28:53,673 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:28:53,677 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:28:53,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:28:53,698 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:28:53,698 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:28:53,698 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:28:53,698 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:28:53,698 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:28:53,698 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:28:53,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:28:53,699 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:28:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-07 17:28:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 17:28:53,711 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:53,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 17:28:53,712 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:53,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:53,715 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2019-12-07 17:28:53,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:28:53,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970480118] [2019-12-07 17:28:53,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/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 [2019-12-07 17:28:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:28:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:28:53,773 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:28:53,773 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:28:53,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:28:54,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:28:54 BoogieIcfgContainer [2019-12-07 17:28:54,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:28:54,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:28:54,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:28:54,002 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:28:54,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:53" (3/4) ... [2019-12-07 17:28:54,008 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:28:54,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_52127735-b81e-4d50-8395-76634d064343/bin/uautomizer/witness.graphml [2019-12-07 17:28:54,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:28:54,039 INFO L168 Benchmark]: Toolchain (without parser) took 715.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:28:54,039 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-12-07 17:28:54,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:54,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:54,041 INFO L168 Benchmark]: Boogie Preprocessor took 13.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:54,041 INFO L168 Benchmark]: RCFGBuilder took 127.14 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:54,041 INFO L168 Benchmark]: TraceAbstraction took 338.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:54,042 INFO L168 Benchmark]: Witness Printer took 36.11 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. [2019-12-07 17:28:54,044 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.86 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 127.14 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.11 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: - 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, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, 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=8occurred 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, 4 NumberOfCodeBlocks, 4 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...