./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.0-5485861 [2020-10-25 19:36:52,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:36:52,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:36:52,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:36:52,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:36:52,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:36:52,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:36:52,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:36:52,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:36:52,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:36:52,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:36:52,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:36:52,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:36:52,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:36:52,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:36:52,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:36:52,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:36:52,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:36:53,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:36:53,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:36:53,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:36:53,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:36:53,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:36:53,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:36:53,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:36:53,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:36:53,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:36:53,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:36:53,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:36:53,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:36:53,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:36:53,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:36:53,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:36:53,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:36:53,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:36:53,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:36:53,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:36:53,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:36:53,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:36:53,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:36:53,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:36:53,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:36:53,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:36:53,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:36:53,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:36:53,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:36:53,121 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:36:53,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:36:53,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:36:53,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:36:53,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:36:53,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:36:53,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:36:53,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:36:53,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:36:53,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:36:53,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:36:53,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:36:53,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:36:53,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:36:53,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:36:53,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:36:53,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:36:53,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:36:53,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:36:53,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:36:53,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:36:53,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:36:53,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:36:53,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:36:53,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:36:53,139 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-10-25 19:36:53,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:36:53,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:36:53,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:36:53,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:36:53,610 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:36:53,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-25 19:36:53,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ccab3ee4/a3f05eb96c1a41acaf780ab1e767c8b6/FLAG4f9c6eada [2020-10-25 19:36:54,433 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:36:54,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-25 19:36:54,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ccab3ee4/a3f05eb96c1a41acaf780ab1e767c8b6/FLAG4f9c6eada [2020-10-25 19:36:54,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ccab3ee4/a3f05eb96c1a41acaf780ab1e767c8b6 [2020-10-25 19:36:54,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:36:54,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:36:54,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:36:54,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:36:54,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:36:54,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:36:54" (1/1) ... [2020-10-25 19:36:54,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6388ad69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:54, skipping insertion in model container [2020-10-25 19:36:54,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:36:54" (1/1) ... [2020-10-25 19:36:54,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:36:54,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:36:55,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:36:55,108 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:36:55,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:36:55,144 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:36:55,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55 WrapperNode [2020-10-25 19:36:55,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:36:55,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:36:55,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:36:55,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:36:55,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:36:55,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:36:55,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:36:55,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:36:55,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... [2020-10-25 19:36:55,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:36:55,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:36:55,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:36:55,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:36:55,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 19:36:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:36:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:36:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:36:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:36:55,480 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:36:55,480 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:36:55,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:36:55 BoogieIcfgContainer [2020-10-25 19:36:55,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:36:55,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:36:55,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:36:55,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:36:55,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:36:54" (1/3) ... [2020-10-25 19:36:55,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf0a911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:36:55, skipping insertion in model container [2020-10-25 19:36:55,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:36:55" (2/3) ... [2020-10-25 19:36:55,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf0a911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:36:55, skipping insertion in model container [2020-10-25 19:36:55,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:36:55" (3/3) ... [2020-10-25 19:36:55,492 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-10-25 19:36:55,506 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:36:55,512 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:36:55,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:36:55,603 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:36:55,605 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:36:55,606 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:36:55,606 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:36:55,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:36:55,608 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:36:55,609 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:36:55,609 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:36:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:36:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:36:55,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:36:55,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:36:55,661 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:36:55,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:36:55,669 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:36:55,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:36:55,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814498057] [2020-10-25 19:36:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:36:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:36:55,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:36:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:36:55,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:36:55,937 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 19:36:55,938 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 19:36:55,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:36:55,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:36:55 BoogieIcfgContainer [2020-10-25 19:36:55,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:36:55,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:36:55,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:36:55,970 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:36:55,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:36:55" (3/4) ... [2020-10-25 19:36:55,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 19:36:55,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:36:55,979 INFO L168 Benchmark]: Toolchain (without parser) took 1169.93 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 38.4 MB in the end (delta: -11.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:36:55,980 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory is still 20.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:36:55,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.82 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 28.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:36:55,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.50 ms. Allocated memory is still 48.2 MB. Free memory was 28.2 MB in the beginning and 26.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:36:55,983 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.9 MB in the end (delta: 905.2 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:36:55,984 INFO L168 Benchmark]: RCFGBuilder took 273.09 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 27.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:36:55,985 INFO L168 Benchmark]: TraceAbstraction took 481.28 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 38.9 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:36:55,986 INFO L168 Benchmark]: Witness Printer took 6.96 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 38.4 MB in the end (delta: 259.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:36:55,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory is still 20.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.82 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 28.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.50 ms. Allocated memory is still 48.2 MB. Free memory was 28.2 MB in the beginning and 26.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.9 MB in the end (delta: 905.2 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 273.09 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 27.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 481.28 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 38.9 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.96 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 38.4 MB in the end (delta: 259.6 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 0.2.0-5485861 [2020-10-25 19:36:58,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:36:58,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:36:58,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:36:58,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:36:58,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:36:58,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:36:58,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:36:58,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:36:58,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:36:58,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:36:58,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:36:58,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:36:58,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:36:58,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:36:58,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:36:58,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:36:58,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:36:58,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:36:58,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:36:58,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:36:58,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:36:58,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:36:58,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:36:58,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:36:58,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:36:58,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:36:58,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:36:58,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:36:58,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:36:58,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:36:58,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:36:58,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:36:58,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:36:58,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:36:58,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:36:58,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:36:58,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:36:58,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:36:58,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:36:58,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:36:58,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 19:36:58,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:36:58,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:36:58,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:36:58,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:36:58,840 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:36:58,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:36:58,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:36:58,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:36:58,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:36:58,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:36:58,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:36:58,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:36:58,843 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 19:36:58,843 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 19:36:58,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:36:58,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:36:58,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:36:58,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:36:58,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:36:58,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:36:58,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:36:58,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:36:58,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:36:58,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:36:58,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:36:58,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:36:58,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 19:36:58,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 19:36:58,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:36:58,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:36:58,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 19:36:58,848 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-10-25 19:36:59,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:36:59,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:36:59,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:36:59,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:36:59,238 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:36:59,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-25 19:36:59,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38eaf0af0/1fe48ce4024748c580c3719dddf762e8/FLAGfac4579f7 [2020-10-25 19:36:59,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:36:59,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-25 19:36:59,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38eaf0af0/1fe48ce4024748c580c3719dddf762e8/FLAGfac4579f7 [2020-10-25 19:37:00,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38eaf0af0/1fe48ce4024748c580c3719dddf762e8 [2020-10-25 19:37:00,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:37:00,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:37:00,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:00,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:37:00,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:37:00,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a96c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00, skipping insertion in model container [2020-10-25 19:37:00,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:37:00,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:37:00,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:00,525 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:37:00,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:00,558 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:37:00,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00 WrapperNode [2020-10-25 19:37:00,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:00,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:00,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:37:00,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:37:00,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:00,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:37:00,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:37:00,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:37:00,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... [2020-10-25 19:37:00,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:37:00,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:37:00,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:37:00,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:37:00,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 19:37:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:37:00,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:37:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 19:37:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:37:00,931 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:37:00,931 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:37:00,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:00 BoogieIcfgContainer [2020-10-25 19:37:00,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:37:00,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:37:00,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:37:00,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:37:00,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:37:00" (1/3) ... [2020-10-25 19:37:00,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecc5d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:00, skipping insertion in model container [2020-10-25 19:37:00,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:00" (2/3) ... [2020-10-25 19:37:00,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecc5d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:00, skipping insertion in model container [2020-10-25 19:37:00,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:00" (3/3) ... [2020-10-25 19:37:00,943 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-10-25 19:37:00,957 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:37:00,963 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:37:00,979 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:37:01,030 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:37:01,030 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:37:01,030 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:37:01,031 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:37:01,031 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:37:01,031 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:37:01,031 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:37:01,032 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:37:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:37:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:37:01,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:37:01,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:37:01,055 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:37:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:37:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:37:01,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 19:37:01,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896934853] [2020-10-25 19:37:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 19:37:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:01,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:01,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:01,292 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 19:37:01,293 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 19:37:01,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 19:37:01,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:37:01 BoogieIcfgContainer [2020-10-25 19:37:01,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:37:01,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:37:01,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:37:01,550 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:37:01,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:00" (3/4) ... [2020-10-25 19:37:01,553 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 19:37:01,625 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:37:01,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:37:01,629 INFO L168 Benchmark]: Toolchain (without parser) took 1347.83 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.3 MB in the beginning and 29.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:01,631 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:01,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.84 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 29.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:01,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.37 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 28.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:01,637 INFO L168 Benchmark]: Boogie Preprocessor took 26.10 ms. Allocated memory is still 54.5 MB. Free memory was 28.4 MB in the beginning and 27.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:01,639 INFO L168 Benchmark]: RCFGBuilder took 307.44 ms. Allocated memory is still 54.5 MB. Free memory was 27.2 MB in the beginning and 30.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:01,642 INFO L168 Benchmark]: TraceAbstraction took 611.37 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 31.1 MB in the end (delta: -722.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:01,642 INFO L168 Benchmark]: Witness Printer took 76.21 ms. Allocated memory is still 54.5 MB. Free memory was 31.1 MB in the beginning and 29.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:01,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.84 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 29.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.37 ms. Allocated memory is still 54.5 MB. Free memory was 29.8 MB in the beginning and 28.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.10 ms. Allocated memory is still 54.5 MB. Free memory was 28.4 MB in the beginning and 27.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 307.44 ms. Allocated memory is still 54.5 MB. Free memory was 27.2 MB in the beginning and 30.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 611.37 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 31.1 MB in the end (delta: -722.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 76.21 ms. Allocated memory is still 54.5 MB. Free memory was 31.1 MB in the beginning and 29.4 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: 0.4s, 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...