./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 ....................................................................................................................................................................................................................................... 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 ............................................................................................................................................................................................................................................. 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 0.2.1-dev-e943c26 [2021-10-21 19:19:33,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:19:33,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:19:34,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:19:34,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:19:34,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:19:34,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:19:34,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:19:34,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:19:34,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:19:34,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:19:34,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:19:34,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:19:34,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:19:34,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:19:34,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:19:34,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:19:34,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:19:34,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:19:34,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:19:34,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:19:34,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:19:34,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:19:34,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:19:34,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:19:34,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:19:34,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:19:34,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:19:34,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:19:34,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:19:34,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:19:34,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:19:34,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:19:34,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:19:34,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:19:34,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:19:34,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:19:34,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:19:34,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:19:34,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:19:34,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:19:34,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:19:34,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:19:34,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:19:34,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:19:34,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:19:34,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:19:34,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:19:34,194 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:19:34,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:19:34,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:19:34,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:19:34,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:19:34,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:19:34,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:19:34,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:19:34,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:19:34,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:19:34,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:19:34,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:19:34,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:19:34,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:19:34,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:19:34,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:19:34,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:19:34,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:19:34,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:19:34,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:19:34,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:19:34,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:19:34,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:19:34,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:19:34,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:19:34,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:19:34,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-21 19:19:34,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:19:34,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:19:34,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:19:34,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:19:34,553 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:19:34,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-21 19:19:34,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/bf988fba7/edfd05f96d824c54af63d0595b230789/FLAG636d0b13c [2021-10-21 19:19:35,131 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:19:35,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-21 19:19:35,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/bf988fba7/edfd05f96d824c54af63d0595b230789/FLAG636d0b13c [2021-10-21 19:19:35,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/bf988fba7/edfd05f96d824c54af63d0595b230789 [2021-10-21 19:19:35,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:19:35,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:19:35,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:35,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:19:35,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:19:35,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c702ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35, skipping insertion in model container [2021-10-21 19:19:35,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:19:35,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:19:35,692 WARN L228 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-21 19:19:35,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:35,707 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:19:35,719 WARN L228 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-21 19:19:35,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:35,732 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:19:35,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35 WrapperNode [2021-10-21 19:19:35,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:35,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:35,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:19:35,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:19:35,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:35,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:19:35,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:19:35,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:19:35,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:19:35,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:19:35,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:19:35,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:19:35,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (1/1) ... [2021-10-21 19:19:35,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:19:35,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:35,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:35,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:19:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:19:35,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:19:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:19:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:19:36,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:19:36,061 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:19:36,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:36 BoogieIcfgContainer [2021-10-21 19:19:36,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:19:36,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:19:36,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:19:36,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:19:36,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:19:35" (1/3) ... [2021-10-21 19:19:36,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2253fee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:19:36, skipping insertion in model container [2021-10-21 19:19:36,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:35" (2/3) ... [2021-10-21 19:19:36,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2253fee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:19:36, skipping insertion in model container [2021-10-21 19:19:36,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:36" (3/3) ... [2021-10-21 19:19:36,072 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-21 19:19:36,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:19:36,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:19:36,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:19:36,141 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:19:36,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:19:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:19:36,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:19:36,162 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:19:36,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:19:36,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:36,171 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-21 19:19:36,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:19:36,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640617470] [2021-10-21 19:19:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:19:36,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:19:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:36,325 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:19:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:36,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:19:36,439 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:19:36,441 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:19:36,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:19:36,462 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:19:36,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:19:36 BoogieIcfgContainer [2021-10-21 19:19:36,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:19:36,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:19:36,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:19:36,486 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:19:36,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:36" (3/4) ... [2021-10-21 19:19:36,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:19:36,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:19:36,492 INFO L168 Benchmark]: Toolchain (without parser) took 1008.68 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 52.3 MB in the beginning and 88.4 MB in the end (delta: -36.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:36,493 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:36,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.13 ms. Allocated memory is still 92.3 MB. Free memory was 52.1 MB in the beginning and 69.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:36,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:36,495 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 66.9 MB in the end (delta: 901.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:36,496 INFO L168 Benchmark]: RCFGBuilder took 279.44 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 58.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:36,497 INFO L168 Benchmark]: TraceAbstraction took 420.40 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 89.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:36,497 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 88.4 MB in the end (delta: 625.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:36,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 249.13 ms. Allocated memory is still 92.3 MB. Free memory was 52.1 MB in the beginning and 69.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 66.9 MB in the end (delta: 901.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 279.44 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 58.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 420.40 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 89.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 88.4 MB in the end (delta: 625.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 329.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.3ms SsaConstructionTime, 49.4ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-21 19:19:36,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:19:39,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:19:39,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:19:39,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:19:39,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:19:39,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:19:39,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:19:39,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:19:39,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:19:39,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:19:39,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:19:39,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:19:39,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:19:39,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:19:39,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:19:39,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:19:39,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:19:39,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:19:39,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:19:39,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:19:39,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:19:39,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:19:39,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:19:39,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:19:39,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:19:39,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:19:39,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:19:39,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:19:39,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:19:39,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:19:39,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:19:39,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:19:39,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:19:39,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:19:39,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:19:39,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:19:39,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:19:39,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:19:39,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:19:39,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:19:39,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:19:39,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:19:39,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:19:39,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:19:39,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:19:39,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:19:39,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:19:39,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:19:39,423 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:19:39,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:19:39,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:19:39,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:19:39,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:19:39,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:19:39,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:19:39,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:19:39,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:19:39,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:19:39,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:19:39,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:19:39,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:19:39,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:19:39,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:19:39,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:19:39,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:19:39,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:19:39,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:19:39,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:19:39,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:19:39,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:19:39,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:19:39,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:19:39,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:19:39,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:19:39,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:19:39,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:19:39,431 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-21 19:19:39,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:19:39,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:19:39,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:19:39,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:19:39,917 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:19:39,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-21 19:19:39,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/9c023ed57/b9fd075e32304300a2a235f93cd54ff8/FLAG44873bcd8 [2021-10-21 19:19:40,549 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:19:40,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-21 19:19:40,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/9c023ed57/b9fd075e32304300a2a235f93cd54ff8/FLAG44873bcd8 [2021-10-21 19:19:40,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/data/9c023ed57/b9fd075e32304300a2a235f93cd54ff8 [2021-10-21 19:19:40,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:19:40,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:19:40,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:40,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:19:40,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:19:40,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:40" (1/1) ... [2021-10-21 19:19:40,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:40, skipping insertion in model container [2021-10-21 19:19:40,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:19:40" (1/1) ... [2021-10-21 19:19:40,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:19:40,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:19:41,070 WARN L228 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-21 19:19:41,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:41,093 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:19:41,110 WARN L228 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_4537ffac-b3c3-48c0-ad56-be4821838d9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-21 19:19:41,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:19:41,130 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:19:41,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41 WrapperNode [2021-10-21 19:19:41,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:19:41,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:41,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:19:41,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:19:41,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:19:41,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:19:41,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:19:41,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:19:41,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:19:41,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:19:41,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:19:41,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:19:41,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (1/1) ... [2021-10-21 19:19:41,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:19:41,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:19:41,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:19:41,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:19:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:19:41,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:19:41,626 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:19:41,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:41 BoogieIcfgContainer [2021-10-21 19:19:41,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:19:41,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:19:41,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:19:41,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:19:41,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:19:40" (1/3) ... [2021-10-21 19:19:41,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a30250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:19:41, skipping insertion in model container [2021-10-21 19:19:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:19:41" (2/3) ... [2021-10-21 19:19:41,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a30250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:19:41, skipping insertion in model container [2021-10-21 19:19:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:41" (3/3) ... [2021-10-21 19:19:41,650 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-21 19:19:41,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:19:41,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:19:41,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:19:41,729 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:19:41,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:19:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:19:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-21 19:19:41,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:19:41,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-21 19:19:41,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:19:41,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:19:41,766 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-21 19:19:41,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:19:41,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107974795] [2021-10-21 19:19:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:19:41,788 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:19:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:19:41,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:19:41,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:19:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:41,895 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:19:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:19:41,974 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:19:41,976 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:19:41,978 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:19:42,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:19:42,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:19:42,199 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:19:42,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:19:42 BoogieIcfgContainer [2021-10-21 19:19:42,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:19:42,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:19:42,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:19:42,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:19:42,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:19:41" (3/4) ... [2021-10-21 19:19:42,233 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:19:42,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:19:42,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:19:42,275 INFO L168 Benchmark]: Toolchain (without parser) took 1384.32 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 43.6 MB in the beginning and 64.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:42,276 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:42,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.80 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 33.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:42,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.14 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 47.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:42,278 INFO L168 Benchmark]: Boogie Preprocessor took 54.39 ms. Allocated memory is still 62.9 MB. Free memory was 47.6 MB in the beginning and 46.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:42,279 INFO L168 Benchmark]: RCFGBuilder took 368.83 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 37.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:42,280 INFO L168 Benchmark]: TraceAbstraction took 596.50 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 37.2 MB in the beginning and 66.5 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:19:42,280 INFO L168 Benchmark]: Witness Printer took 45.87 ms. Allocated memory is still 86.0 MB. Free memory was 66.5 MB in the beginning and 64.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:19:42,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.80 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 33.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.14 ms. Allocated memory is still 62.9 MB. Free memory was 33.6 MB in the beginning and 47.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.39 ms. Allocated memory is still 62.9 MB. Free memory was 47.6 MB in the beginning and 46.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 368.83 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 37.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 596.50 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 37.2 MB in the beginning and 66.5 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 45.87 ms. Allocated memory is still 86.0 MB. Free memory was 66.5 MB in the beginning and 64.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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. OverallTime: 481.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 15.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.2ms SsaConstructionTime, 38.1ms SatisfiabilityAnalysisTime, 0.0ms 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! [2021-10-21 19:19:42,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537ffac-b3c3-48c0-ad56-be4821838d9a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...