./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI --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 Taipan --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 0.2.0-7b2dab5 [2021-10-11 02:20:51,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:51,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:51,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:51,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:51,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:51,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:51,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:51,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:51,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:51,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:51,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:51,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:51,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:51,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:51,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:51,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:51,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:51,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:51,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:51,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:51,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:51,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:51,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:51,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:51,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:51,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:51,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:51,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:51,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:51,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:51,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:51,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:51,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:51,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:51,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:51,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:51,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:51,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:51,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:51,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:51,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:51,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:51,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:51,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:51,230 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:51,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:51,230 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:51,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:51,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:51,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:51,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:51,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:51,232 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:51,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:51,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:51,233 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:51,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:51,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:51,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:51,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:51,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:51,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:51,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:51,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:51,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:51,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:51,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:51,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:51,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:51,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:51,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:51,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:51,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:51,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:51,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:51,246 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:51,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:51,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:51,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:51,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:51,248 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-10-11 02:20:51,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:51,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:51,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:51,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:51,627 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:51,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-11 02:20:51,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/a35bb54b5/4477cd836630435f8997a6003451ac48/FLAG20cad4d8b [2021-10-11 02:20:52,283 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:52,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-11 02:20:52,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/a35bb54b5/4477cd836630435f8997a6003451ac48/FLAG20cad4d8b [2021-10-11 02:20:52,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/a35bb54b5/4477cd836630435f8997a6003451ac48 [2021-10-11 02:20:52,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:52,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:52,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:52,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:52,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:52,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740e9485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52, skipping insertion in model container [2021-10-11 02:20:52,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:52,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:52,891 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-11 02:20:52,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:52,910 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:52,923 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-11 02:20:52,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:52,941 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:52,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52 WrapperNode [2021-10-11 02:20:52,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:52,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:52,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:52,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:52,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:52,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:52,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:52,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:52,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... [2021-10-11 02:20:52,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:53,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:53,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:53,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:53,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:20:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:20:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:53,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:53,279 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 02:20:53,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53 BoogieIcfgContainer [2021-10-11 02:20:53,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:53,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:53,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:53,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:53,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:52" (1/3) ... [2021-10-11 02:20:53,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783752b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:53, skipping insertion in model container [2021-10-11 02:20:53,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:52" (2/3) ... [2021-10-11 02:20:53,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783752b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:53, skipping insertion in model container [2021-10-11 02:20:53,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53" (3/3) ... [2021-10-11 02:20:53,294 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-11 02:20:53,308 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:53,314 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:20:53,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:20:53,348 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:53,349 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:53,349 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:53,349 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:53,349 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:53,349 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:53,349 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:53,349 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2021-10-11 02:20:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-11 02:20:53,368 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:53,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-11 02:20:53,370 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:53,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:53,377 INFO L82 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-10-11 02:20:53,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:20:53,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125537196] [2021-10-11 02:20:53,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:20:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:53,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:53,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:53,515 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:20:53,516 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:53,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:20:53,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:53 BoogieIcfgContainer [2021-10-11 02:20:53,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:53,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:53,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:53,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:53,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53" (3/4) ... [2021-10-11 02:20:53,541 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:20:53,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:53,544 INFO L168 Benchmark]: Toolchain (without parser) took 849.19 ms. Allocated memory is still 130.0 MB. Free memory was 101.5 MB in the beginning and 81.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:53,545 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 104.9 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:53,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.57 ms. Allocated memory is still 130.0 MB. Free memory was 101.5 MB in the beginning and 107.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:53,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.48 ms. Allocated memory is still 130.0 MB. Free memory was 107.4 MB in the beginning and 106.4 MB in the end (delta: 970.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:53,548 INFO L168 Benchmark]: Boogie Preprocessor took 22.59 ms. Allocated memory is still 130.0 MB. Free memory was 106.3 MB in the beginning and 105.3 MB in the end (delta: 951.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:53,549 INFO L168 Benchmark]: RCFGBuilder took 281.46 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 94.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:53,550 INFO L168 Benchmark]: TraceAbstraction took 252.48 ms. Allocated memory is still 130.0 MB. Free memory was 93.9 MB in the beginning and 82.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:53,551 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 81.8 MB in the end (delta: 474.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:53,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 104.9 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.57 ms. Allocated memory is still 130.0 MB. Free memory was 101.5 MB in the beginning and 107.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.48 ms. Allocated memory is still 130.0 MB. Free memory was 107.4 MB in the beginning and 106.4 MB in the end (delta: 970.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.59 ms. Allocated memory is still 130.0 MB. Free memory was 106.3 MB in the beginning and 105.3 MB in the end (delta: 951.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 281.46 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 94.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 252.48 ms. Allocated memory is still 130.0 MB. Free memory was 93.9 MB in the beginning and 82.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.75 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 81.8 MB in the end (delta: 474.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.2.0-7b2dab5 [2021-10-11 02:20:56,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:56,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:56,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:56,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:56,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:56,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:56,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:56,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:56,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:56,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:56,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:56,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:56,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:56,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:56,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:56,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:56,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:56,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:56,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:56,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:56,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:56,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:56,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:56,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:56,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:56,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:56,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:56,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:56,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:56,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:56,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:56,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:56,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:56,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:56,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:56,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:56,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:56,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:56,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:56,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:56,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:56,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:56,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:56,571 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:56,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:56,571 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:56,572 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:56,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:56,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:56,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:56,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:56,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:56,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:56,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:56,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:56,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:56,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:56,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:56,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:56,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:56,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:56,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:56,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:56,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:56,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:56,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:56,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:56,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:56,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:56,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:56,583 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:56,583 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:56,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:56,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:56,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:56,584 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-10-11 02:20:57,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:57,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:57,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:57,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:57,101 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:57,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-11 02:20:57,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/d468c2363/1b8ea76b2be54dee8afbc827cd0b96eb/FLAG947aa7305 [2021-10-11 02:20:57,784 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:57,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-11 02:20:57,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/d468c2363/1b8ea76b2be54dee8afbc827cd0b96eb/FLAG947aa7305 [2021-10-11 02:20:58,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/data/d468c2363/1b8ea76b2be54dee8afbc827cd0b96eb [2021-10-11 02:20:58,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:58,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:58,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:58,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:58,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:58,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7266b21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58, skipping insertion in model container [2021-10-11 02:20:58,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:58,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:58,407 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-11 02:20:58,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:58,428 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:58,444 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-11 02:20:58,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:58,463 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:58,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58 WrapperNode [2021-10-11 02:20:58,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:58,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:58,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:58,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:58,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:58,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:58,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:58,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:58,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... [2021-10-11 02:20:58,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:58,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:58,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:58,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:58,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:20:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:59,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:59,096 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 02:20:59,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:59 BoogieIcfgContainer [2021-10-11 02:20:59,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:59,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:59,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:59,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:59,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:58" (1/3) ... [2021-10-11 02:20:59,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37969a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:59, skipping insertion in model container [2021-10-11 02:20:59,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:58" (2/3) ... [2021-10-11 02:20:59,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37969a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:59, skipping insertion in model container [2021-10-11 02:20:59,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:59" (3/3) ... [2021-10-11 02:20:59,118 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-11 02:20:59,151 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:59,154 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:20:59,182 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:20:59,225 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:59,240 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:59,241 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:59,241 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:59,241 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:59,241 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:59,242 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:59,242 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2021-10-11 02:20:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:20:59,259 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:59,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:20:59,260 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:59,277 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-11 02:20:59,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:59,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728754959] [2021-10-11 02:20:59,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:20:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:59,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:20:59,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:20:59,555 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:20:59,555 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:20:59,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:59,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:59 BoogieIcfgContainer [2021-10-11 02:20:59,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:59,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:59,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:59,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:59,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:59" (3/4) ... [2021-10-11 02:20:59,782 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:20:59,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98cdf30b-3e4c-4dc0-b6ce-34a90bf92745/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:59,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:59,838 INFO L168 Benchmark]: Toolchain (without parser) took 1678.29 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 40.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,843 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:59,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.01 ms. Allocated memory is still 52.4 MB. Free memory was 29.9 MB in the beginning and 33.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.64 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 52.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,847 INFO L168 Benchmark]: Boogie Preprocessor took 79.69 ms. Allocated memory is still 67.1 MB. Free memory was 52.0 MB in the beginning and 50.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,848 INFO L168 Benchmark]: RCFGBuilder took 505.82 ms. Allocated memory is still 67.1 MB. Free memory was 50.7 MB in the beginning and 40.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,849 INFO L168 Benchmark]: TraceAbstraction took 676.88 ms. Allocated memory is still 67.1 MB. Free memory was 39.9 MB in the beginning and 42.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:59,850 INFO L168 Benchmark]: Witness Printer took 56.15 ms. Allocated memory is still 67.1 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:59,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.01 ms. Allocated memory is still 52.4 MB. Free memory was 29.9 MB in the beginning and 33.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.64 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 52.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.69 ms. Allocated memory is still 67.1 MB. Free memory was 52.0 MB in the beginning and 50.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 505.82 ms. Allocated memory is still 67.1 MB. Free memory was 50.7 MB in the beginning and 40.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 676.88 ms. Allocated memory is still 67.1 MB. Free memory was 39.9 MB in the beginning and 42.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. * Witness Printer took 56.15 ms. Allocated memory is still 67.1 MB. Free memory was 42.1 MB in the beginning and 40.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...