./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 9a8b2e8d 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_1.3.100.v20150511-1540.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_1.3.100.v20150511-1540.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 0.1.25-9a8b2e8 [2020-10-19 22:22:41,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:41,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:41,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:41,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:41,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:41,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:41,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:41,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:41,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:41,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:41,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:41,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:41,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:41,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:41,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:41,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:41,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:41,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:41,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:41,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:41,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:41,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:41,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:41,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:41,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:41,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:41,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:41,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:41,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:41,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:41,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:41,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:41,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:41,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:41,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:41,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:41,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:41,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:41,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:41,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:41,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:22:41,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:41,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:41,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:41,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:41,608 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:41,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:41,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:41,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:22:41,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:41,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:41,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:41,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:41,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:41,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:41,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:41,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:41,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:41,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:41,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:41,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:41,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:41,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:41,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:41,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:41,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:41,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:22:41,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:22:41,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:41,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:41,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 [2020-10-19 22:22:41,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:41,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:41,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:41,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:41,830 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:41,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-19 22:22:41,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0105daaa7/52ba2a5eea644b9abe757f2c81e04afa/FLAG18f6e97e7 [2020-10-19 22:22:42,467 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:42,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-19 22:22:42,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0105daaa7/52ba2a5eea644b9abe757f2c81e04afa/FLAG18f6e97e7 [2020-10-19 22:22:42,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0105daaa7/52ba2a5eea644b9abe757f2c81e04afa [2020-10-19 22:22:42,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:42,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:42,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:42,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:42,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:42,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:42" (1/1) ... [2020-10-19 22:22:42,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ebfafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:42, skipping insertion in model container [2020-10-19 22:22:42,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:42" (1/1) ... [2020-10-19 22:22:42,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:42,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:43,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:43,072 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:43,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:43,102 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:43,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43 WrapperNode [2020-10-19 22:22:43,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:43,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:43,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:43,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:43,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:43,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:43,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:43,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:43,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (1/1) ... [2020-10-19 22:22:43,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:43,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:43,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:43,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:43,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (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 [2020-10-19 22:22:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:43,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:22:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:43,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:43,409 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:43,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:43 BoogieIcfgContainer [2020-10-19 22:22:43,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:43,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:43,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:43,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:43,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:42" (1/3) ... [2020-10-19 22:22:43,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703b168d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:43, skipping insertion in model container [2020-10-19 22:22:43,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:43" (2/3) ... [2020-10-19 22:22:43,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703b168d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:43, skipping insertion in model container [2020-10-19 22:22:43,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:43" (3/3) ... [2020-10-19 22:22:43,421 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-10-19 22:22:43,433 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:43,443 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:43,459 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:43,488 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:43,488 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:43,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:43,489 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:43,490 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:43,490 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:43,490 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:43,490 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:43,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:43,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:43,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:43,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:43,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:43,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134874508] [2020-10-19 22:22:43,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:43,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:43,699 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:43,721 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 22:22:43,722 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:22:43,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:22:43,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:43 BoogieIcfgContainer [2020-10-19 22:22:43,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:43,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:43,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:43,747 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:43,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:43" (3/4) ... [2020-10-19 22:22:43,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 22:22:43,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:43,755 INFO L168 Benchmark]: Toolchain (without parser) took 906.83 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 18.0 MB in the beginning and 18.6 MB in the end (delta: -585.8 kB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,756 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 40.4 kB). Peak memory consumption was 40.4 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.91 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 17.1 MB in the beginning and 17.9 MB in the end (delta: -755.7 kB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.13 ms. Allocated memory is still 40.9 MB. Free memory was 17.9 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,759 INFO L168 Benchmark]: Boogie Preprocessor took 17.46 ms. Allocated memory is still 40.9 MB. Free memory was 16.2 MB in the beginning and 15.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,761 INFO L168 Benchmark]: RCFGBuilder took 258.08 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 15.1 MB in the beginning and 19.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,761 INFO L168 Benchmark]: TraceAbstraction took 333.40 ms. Allocated memory is still 42.5 MB. Free memory was 19.0 MB in the beginning and 19.1 MB in the end (delta: -81.7 kB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:22:43,762 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 42.5 MB. Free memory was 19.1 MB in the beginning and 18.6 MB in the end (delta: 467.5 kB). Peak memory consumption was 467.5 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:43,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 40.4 kB). Peak memory consumption was 40.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 248.91 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 17.1 MB in the beginning and 17.9 MB in the end (delta: -755.7 kB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 32.13 ms. Allocated memory is still 40.9 MB. Free memory was 17.9 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 17.46 ms. Allocated memory is still 40.9 MB. Free memory was 16.2 MB in the beginning and 15.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 258.08 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 15.1 MB in the beginning and 19.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 333.40 ms. Allocated memory is still 42.5 MB. Free memory was 19.0 MB in the beginning and 19.1 MB in the end (delta: -81.7 kB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.51 ms. Allocated memory is still 42.5 MB. Free memory was 19.1 MB in the beginning and 18.6 MB in the end (delta: 467.5 kB). Peak memory consumption was 467.5 kB. Max. memory is 14.3 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: 0.2s, 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 0.1.25-9a8b2e8 [2020-10-19 22:22:45,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:45,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:45,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:45,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:45,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:45,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:45,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:45,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:45,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:45,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:45,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:45,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:45,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:45,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:45,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:45,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:45,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:45,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:45,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:45,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:45,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:45,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:45,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:45,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:45,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:45,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:45,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:45,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:45,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:45,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:45,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:45,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:45,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:45,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:45,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:45,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:45,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:45,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:45,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:45,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:45,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-19 22:22:46,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:46,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:46,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:46,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:46,034 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:46,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:46,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:46,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:46,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:46,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:46,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:46,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:46,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 22:22:46,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 22:22:46,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:46,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:46,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:46,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:46,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:46,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:46,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:46,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:46,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:46,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:46,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:46,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:46,041 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 22:22:46,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 22:22:46,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:46,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:46,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 22:22:46,042 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 [2020-10-19 22:22:46,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:46,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:46,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:46,302 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:46,302 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:46,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-19 22:22:46,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d25aaaf/99ae3ed5d44c4433bffceb928c28336d/FLAG883e791dd [2020-10-19 22:22:46,834 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:46,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-10-19 22:22:46,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d25aaaf/99ae3ed5d44c4433bffceb928c28336d/FLAG883e791dd [2020-10-19 22:22:47,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d25aaaf/99ae3ed5d44c4433bffceb928c28336d [2020-10-19 22:22:47,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:47,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:47,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:47,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:47,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:47,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40835f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47, skipping insertion in model container [2020-10-19 22:22:47,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:47,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:47,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:47,538 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:47,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:47,578 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47 WrapperNode [2020-10-19 22:22:47,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:47,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:47,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:47,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:47,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:47,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:47,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:47,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:47,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (1/1) ... [2020-10-19 22:22:47,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:47,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:47,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:47,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:47,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (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 [2020-10-19 22:22:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-19 22:22:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:47,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:47,957 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:47,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:47 BoogieIcfgContainer [2020-10-19 22:22:47,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:47,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:47,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:47,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:47,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:47" (1/3) ... [2020-10-19 22:22:47,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561a7eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:47, skipping insertion in model container [2020-10-19 22:22:47,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:47" (2/3) ... [2020-10-19 22:22:47,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561a7eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:47, skipping insertion in model container [2020-10-19 22:22:47,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:47" (3/3) ... [2020-10-19 22:22:47,967 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-10-19 22:22:47,979 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:47,986 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:48,001 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:48,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:48,027 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:48,027 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:48,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:48,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:48,028 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:48,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:48,028 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:48,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:48,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:48,053 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:48,060 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:48,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 22:22:48,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324468614] [2020-10-19 22:22:48,075 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 [2020-10-19 22:22:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:48,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:48,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:48,240 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 22:22:48,241 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:22:48,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 22:22:48,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:48 BoogieIcfgContainer [2020-10-19 22:22:48,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:48,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:48,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:48,483 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:48,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:47" (3/4) ... [2020-10-19 22:22:48,486 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 22:22:48,527 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:22:48,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:48,530 INFO L168 Benchmark]: Toolchain (without parser) took 1318.10 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 17.0 MB in the beginning and 23.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,531 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.08 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 16.2 MB in the beginning and 25.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.67 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,534 INFO L168 Benchmark]: Boogie Preprocessor took 26.10 ms. Allocated memory is still 44.6 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,536 INFO L168 Benchmark]: RCFGBuilder took 317.23 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 24.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,537 INFO L168 Benchmark]: TraceAbstraction took 521.06 ms. Allocated memory is still 46.7 MB. Free memory was 23.7 MB in the beginning and 25.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,538 INFO L168 Benchmark]: Witness Printer took 46.53 ms. Allocated memory is still 46.7 MB. Free memory was 25.5 MB in the beginning and 23.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:48,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.8 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 361.08 ms. Allocated memory was 36.7 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Free memory was 16.2 MB in the beginning and 25.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 35.67 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.10 ms. Allocated memory is still 44.6 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 317.23 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 24.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 521.06 ms. Allocated memory is still 46.7 MB. Free memory was 23.7 MB in the beginning and 25.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. * Witness Printer took 46.53 ms. Allocated memory is still 46.7 MB. Free memory was 25.5 MB in the beginning and 23.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 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...