./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 .................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 ....................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-30 00:35:08,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:08,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:08,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:08,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:08,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:08,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:08,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:08,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:08,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:08,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:08,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:08,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:08,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:08,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:08,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:08,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:08,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:08,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:08,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:08,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:08,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:08,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:08,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:08,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:08,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:08,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:08,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:08,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:08,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:08,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:08,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:08,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:08,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:08,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:08,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:08,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:08,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:08,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:08,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:08,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:08,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:35:08,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:08,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:08,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:08,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:08,290 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:08,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:08,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:08,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:08,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:08,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:08,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:08,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:08,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:08,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:08,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:08,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:08,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:08,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:08,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:08,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:08,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:08,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:08,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:08,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:08,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:08,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:08,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:08,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:08,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:08,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-11-30 00:35:08,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:08,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:08,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:08,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:08,693 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:08,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-30 00:35:08,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/d85b137be/a860dfdc779e4376b02ea2f75a071e96/FLAGb311413c6 [2020-11-30 00:35:09,347 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:09,348 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-30 00:35:09,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/d85b137be/a860dfdc779e4376b02ea2f75a071e96/FLAGb311413c6 [2020-11-30 00:35:09,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/d85b137be/a860dfdc779e4376b02ea2f75a071e96 [2020-11-30 00:35:09,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:09,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:09,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:09,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:09,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:09,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258cc43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09, skipping insertion in model container [2020-11-30 00:35:09,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:09,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:10,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,027 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:10,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,066 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:10,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10 WrapperNode [2020-11-30 00:35:10,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:10,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:10,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:10,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:10,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:10,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:10,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:10,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:10,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/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 [2020-11-30 00:35:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:10,515 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:10,515 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:35:10,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:10 BoogieIcfgContainer [2020-11-30 00:35:10,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:10,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:10,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:10,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:10,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:09" (1/3) ... [2020-11-30 00:35:10,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b2d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:10, skipping insertion in model container [2020-11-30 00:35:10,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (2/3) ... [2020-11-30 00:35:10,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b2d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:10, skipping insertion in model container [2020-11-30 00:35:10,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:10" (3/3) ... [2020-11-30 00:35:10,528 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-11-30 00:35:10,542 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:10,547 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:35:10,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:35:10,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:10,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:10,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:10,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:10,593 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:10,593 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:10,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:10,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-30 00:35:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:35:10,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:10,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:35:10,616 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:10,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:10,624 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-11-30 00:35:10,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:10,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94446173] [2020-11-30 00:35:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:10,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:10,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:10,893 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:10,894 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:35:10,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:35:10,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:10 BoogieIcfgContainer [2020-11-30 00:35:10,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:10,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:10,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:10,920 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:10,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:10" (3/4) ... [2020-11-30 00:35:10,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:35:10,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:10,929 INFO L168 Benchmark]: Toolchain (without parser) took 1195.21 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 55.3 MB in the end (delta: -5.9 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:10,930 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:10,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.30 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 79.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:10,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 100.7 MB. Free memory was 79.5 MB in the beginning and 78.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:10,934 INFO L168 Benchmark]: Boogie Preprocessor took 37.22 ms. Allocated memory is still 100.7 MB. Free memory was 78.3 MB in the beginning and 77.4 MB in the end (delta: 897.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:10,936 INFO L168 Benchmark]: RCFGBuilder took 360.54 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 67.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:10,937 INFO L168 Benchmark]: TraceAbstraction took 398.05 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 55.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:10,938 INFO L168 Benchmark]: Witness Printer took 6.50 ms. Allocated memory is still 100.7 MB. Free memory was 55.9 MB in the beginning and 55.3 MB in the end (delta: 575.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:10,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.30 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 79.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 100.7 MB. Free memory was 79.5 MB in the beginning and 78.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.22 ms. Allocated memory is still 100.7 MB. Free memory was 78.3 MB in the beginning and 77.4 MB in the end (delta: 897.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 360.54 ms. Allocated memory is still 100.7 MB. Free memory was 76.8 MB in the beginning and 67.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 398.05 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 55.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.50 ms. Allocated memory is still 100.7 MB. Free memory was 55.9 MB in the beginning and 55.3 MB in the end (delta: 575.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: 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 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L3] __assert_fail("0", "implicitfloatconversion.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-30 00:35:14,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:14,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:14,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:14,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:14,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:14,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:14,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:14,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:14,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:14,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:14,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:14,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:14,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:14,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:14,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:14,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:14,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:14,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:14,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:14,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:14,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:14,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:14,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:14,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:14,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:14,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:14,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:14,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:14,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:14,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:14,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:14,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:14,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:14,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:14,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:14,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:14,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:14,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:14,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:14,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:14,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:35:14,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:14,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:14,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:14,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:14,409 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:14,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:14,409 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:14,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:14,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:14,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:14,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:14,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:14,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:35:14,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:35:14,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:14,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:14,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:14,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:14,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:14,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:14,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:14,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:14,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:14,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:14,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:14,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:14,416 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:35:14,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:35:14,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:14,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:14,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:35:14,417 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-11-30 00:35:14,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:14,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:14,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:14,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:14,992 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:14,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-30 00:35:15,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/df07385f8/72312f32e0ee4eceaac48398c5208cd5/FLAG9aa371e70 [2020-11-30 00:35:15,839 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:15,839 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-30 00:35:15,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/df07385f8/72312f32e0ee4eceaac48398c5208cd5/FLAG9aa371e70 [2020-11-30 00:35:16,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/data/df07385f8/72312f32e0ee4eceaac48398c5208cd5 [2020-11-30 00:35:16,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:16,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:16,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:16,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:16,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:16,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623c4ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16, skipping insertion in model container [2020-11-30 00:35:16,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:16,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:16,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:16,496 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:16,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:16,560 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:16,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16 WrapperNode [2020-11-30 00:35:16,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:16,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:16,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:16,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:16,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:16,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:16,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:16,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:16,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... [2020-11-30 00:35:16,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:16,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:16,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:16,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:16,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/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 [2020-11-30 00:35:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:35:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:17,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:17,262 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:35:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17 BoogieIcfgContainer [2020-11-30 00:35:17,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:17,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:17,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:17,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:17,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:16" (1/3) ... [2020-11-30 00:35:17,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fac253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:17, skipping insertion in model container [2020-11-30 00:35:17,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:16" (2/3) ... [2020-11-30 00:35:17,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fac253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:17, skipping insertion in model container [2020-11-30 00:35:17,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17" (3/3) ... [2020-11-30 00:35:17,292 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-11-30 00:35:17,322 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:17,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:35:17,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:35:17,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:17,398 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:17,398 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:17,398 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:17,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:17,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:17,417 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:17,418 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-30 00:35:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:35:17,441 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:17,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 00:35:17,442 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:17,453 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-11-30 00:35:17,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:35:17,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120065592] [2020-11-30 00:35:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/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 [2020-11-30 00:35:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:17,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:17,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:17,756 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:35:17,757 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:35:17,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:35:18,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:18 BoogieIcfgContainer [2020-11-30 00:35:18,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:18,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:18,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:18,005 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:18,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17" (3/4) ... [2020-11-30 00:35:18,009 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:35:18,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_79ded89a-4c20-464f-b94e-5d320f87a10a/bin/uautomizer/witness.graphml [2020-11-30 00:35:18,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:18,078 INFO L168 Benchmark]: Toolchain (without parser) took 1866.95 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 31.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:18,084 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:18,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.48 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 43.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:18,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.18 ms. Allocated memory is still 58.7 MB. Free memory was 43.2 MB in the beginning and 41.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:18,088 INFO L168 Benchmark]: Boogie Preprocessor took 53.95 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 40.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:18,089 INFO L168 Benchmark]: RCFGBuilder took 544.05 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 30.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:18,090 INFO L168 Benchmark]: TraceAbstraction took 734.74 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 33.2 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:18,091 INFO L168 Benchmark]: Witness Printer took 71.20 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 31.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:18,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.48 ms. Allocated memory is still 58.7 MB. Free memory was 38.4 MB in the beginning and 43.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.18 ms. Allocated memory is still 58.7 MB. Free memory was 43.2 MB in the beginning and 41.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.95 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 40.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 544.05 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 30.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 734.74 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 33.2 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 71.20 ms. Allocated memory is still 58.7 MB. Free memory was 33.2 MB in the beginning and 31.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L3] __assert_fail("0", "implicitfloatconversion.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...