./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:22:18,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:22:18,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:22:19,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:22:19,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:22:19,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:22:19,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:22:19,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:22:19,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:22:19,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:22:19,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:22:19,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:22:19,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:22:19,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:22:19,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:22:19,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:22:19,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:22:19,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:22:19,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:22:19,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:22:19,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:22:19,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:22:19,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:22:19,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:22:19,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:22:19,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:22:19,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:22:19,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:22:19,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:22:19,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:22:19,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:22:19,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:22:19,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:22:19,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:22:19,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:22:19,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:22:19,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:22:19,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:22:19,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:22:19,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:22:19,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:22:19,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:22:19,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:22:19,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:22:19,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:22:19,198 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:22:19,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:22:19,199 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:22:19,199 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:22:19,200 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:22:19,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:22:19,200 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:22:19,200 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:22:19,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:22:19,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:22:19,201 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:22:19,202 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:22:19,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:22:19,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:22:19,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:22:19,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:22:19,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:22:19,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:22:19,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:22:19,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:22:19,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:22:19,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:22:19,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:22:19,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:22:19,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:22:19,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:22:19,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:22:19,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:22:19,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:22:19,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:22:19,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:22:19,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:22:19,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:22:19,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:22:19,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:22:19,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:22:19,210 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_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-11-03 05:22:19,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:22:19,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:22:19,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:22:19,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:22:19,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:22:19,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-11-03 05:22:19,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/edc54303b/1a33e0bd9e8b417fae5c751ce202b21e/FLAG955888e64 [2021-11-03 05:22:20,271 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:22:20,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-11-03 05:22:20,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/edc54303b/1a33e0bd9e8b417fae5c751ce202b21e/FLAG955888e64 [2021-11-03 05:22:20,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/edc54303b/1a33e0bd9e8b417fae5c751ce202b21e [2021-11-03 05:22:20,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:22:20,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:22:20,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:22:20,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:22:20,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:22:20,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2739afaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20, skipping insertion in model container [2021-11-03 05:22:20,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:22:20,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:22:20,832 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_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-11-03 05:22:20,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:22:20,848 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:22:20,892 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_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-11-03 05:22:20,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:22:20,907 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:22:20,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20 WrapperNode [2021-11-03 05:22:20,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:22:20,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:22:20,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:22:20,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:22:20,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:22:20,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:22:20,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:22:20,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:22:20,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:22:20,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:22:20,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:22:20,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:22:20,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (1/1) ... [2021-11-03 05:22:20,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:22:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:22:21,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:22:21,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:22:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:22:21,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:22:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:22:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:22:21,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:22:21,248 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 05:22:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:21 BoogieIcfgContainer [2021-11-03 05:22:21,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:22:21,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:22:21,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:22:21,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:22:21,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:22:20" (1/3) ... [2021-11-03 05:22:21,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2152a24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:21, skipping insertion in model container [2021-11-03 05:22:21,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:20" (2/3) ... [2021-11-03 05:22:21,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2152a24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:21, skipping insertion in model container [2021-11-03 05:22:21,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:21" (3/3) ... [2021-11-03 05:22:21,261 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-11-03 05:22:21,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:22:21,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:22:21,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:22:21,329 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=FINITE_AUTOMATA, 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 [2021-11-03 05:22:21,329 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:22:21,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-11-03 05:22:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-03 05:22:21,350 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:22:21,350 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-03 05:22:21,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:22:21,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:22:21,358 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-11-03 05:22:21,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:22:21,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37628095] [2021-11-03 05:22:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:22:21,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:22:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:22:21,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:22:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:22:21,546 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 05:22:21,549 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:22:21,550 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:22:21,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:22:21,566 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 05:22:21,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:22:21,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:22:21 BoogieIcfgContainer [2021-11-03 05:22:21,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:22:21,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:22:21,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:22:21,602 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:22:21,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:21" (3/4) ... [2021-11-03 05:22:21,606 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:22:21,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:22:21,613 INFO L168 Benchmark]: Toolchain (without parser) took 974.17 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 51.0 MB in the beginning and 68.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:21,614 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:21,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.20 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 93.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:21,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.93 ms. Allocated memory is still 117.4 MB. Free memory was 93.8 MB in the beginning and 92.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:21,619 INFO L168 Benchmark]: Boogie Preprocessor took 18.64 ms. Allocated memory is still 117.4 MB. Free memory was 92.3 MB in the beginning and 91.7 MB in the end (delta: 617.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:21,621 INFO L168 Benchmark]: RCFGBuilder took 289.81 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 82.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:21,628 INFO L168 Benchmark]: TraceAbstraction took 342.20 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:21,629 INFO L168 Benchmark]: Witness Printer took 6.04 ms. Allocated memory is still 117.4 MB. Free memory was 69.2 MB in the beginning and 68.6 MB in the end (delta: 585.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:21,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.20 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 93.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.93 ms. Allocated memory is still 117.4 MB. Free memory was 93.8 MB in the beginning and 92.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.64 ms. Allocated memory is still 117.4 MB. Free memory was 92.3 MB in the beginning and 91.7 MB in the end (delta: 617.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 289.81 ms. Allocated memory is still 117.4 MB. Free memory was 91.1 MB in the beginning and 82.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 342.20 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.04 ms. Allocated memory is still 117.4 MB. Free memory was 69.2 MB in the beginning and 68.6 MB in the end (delta: 585.9 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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 [2021-11-03 05:22:21,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:22:24,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:22:24,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:22:24,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:22:24,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:22:24,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:22:24,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:22:24,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:22:24,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:22:24,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:22:24,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:22:24,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:22:24,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:22:24,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:22:24,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:22:24,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:22:24,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:22:24,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:22:24,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:22:24,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:22:24,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:22:24,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:22:24,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:22:24,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:22:24,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:22:24,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:22:24,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:22:24,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:22:24,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:22:24,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:22:24,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:22:24,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:22:24,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:22:24,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:22:24,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:22:24,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:22:24,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:22:24,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:22:24,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:22:24,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:22:24,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:22:24,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:22:24,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:22:24,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:22:24,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:22:24,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:22:24,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:22:24,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:22:24,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:22:24,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:22:24,286 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:22:24,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:22:24,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:22:24,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:22:24,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:22:24,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:22:24,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:22:24,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:22:24,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:22:24,291 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:22:24,291 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:22:24,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:22:24,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:22:24,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:22:24,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:22:24,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:22:24,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:22:24,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:22:24,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:22:24,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:22:24,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:22:24,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:22:24,294 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:22:24,294 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:22:24,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:22:24,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:22:24,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:22:24,295 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_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-11-03 05:22:24,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:22:24,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:22:24,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:22:24,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:22:24,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:22:24,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-11-03 05:22:24,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/a23d3cb08/bd635ee7942f44448615ff482fe13f0d/FLAGe646347d0 [2021-11-03 05:22:25,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:22:25,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-11-03 05:22:25,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/a23d3cb08/bd635ee7942f44448615ff482fe13f0d/FLAGe646347d0 [2021-11-03 05:22:25,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/data/a23d3cb08/bd635ee7942f44448615ff482fe13f0d [2021-11-03 05:22:25,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:22:25,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:22:25,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:22:25,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:22:25,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:22:25,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:22:25" (1/1) ... [2021-11-03 05:22:25,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a40cd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:25, skipping insertion in model container [2021-11-03 05:22:25,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:22:25" (1/1) ... [2021-11-03 05:22:25,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:22:25,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:22:25,937 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_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-11-03 05:22:25,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:22:25,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:22:26,009 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_41203f88-8d80-4e64-8f6f-2431a116eeea/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-11-03 05:22:26,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:22:26,025 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:22:26,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26 WrapperNode [2021-11-03 05:22:26,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:22:26,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:22:26,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:22:26,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:22:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:22:26,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:22:26,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:22:26,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:22:26,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:22:26,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:22:26,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:22:26,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:22:26,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (1/1) ... [2021-11-03 05:22:26,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:22:26,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:22:26,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:22:26,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:22:26,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:22:26,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:22:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:22:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:22:26,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:22:26,502 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 05:22:26,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:26 BoogieIcfgContainer [2021-11-03 05:22:26,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:22:26,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:22:26,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:22:26,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:22:26,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:22:25" (1/3) ... [2021-11-03 05:22:26,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1686f254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:26, skipping insertion in model container [2021-11-03 05:22:26,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:22:26" (2/3) ... [2021-11-03 05:22:26,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1686f254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:22:26, skipping insertion in model container [2021-11-03 05:22:26,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:26" (3/3) ... [2021-11-03 05:22:26,513 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-11-03 05:22:26,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:22:26,520 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:22:26,569 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:22:26,576 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=FINITE_AUTOMATA, 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 [2021-11-03 05:22:26,577 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:22:26,590 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) [2021-11-03 05:22:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 05:22:26,595 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:22:26,595 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 05:22:26,596 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:22:26,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:22:26,603 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-11-03 05:22:26,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:22:26,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421286618] [2021-11-03 05:22:26,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:22:26,618 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:22:26,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:22:26,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:22:26,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:22:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:22:26,696 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:22:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:22:26,746 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-03 05:22:26,749 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:22:26,750 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:22:26,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:22:26,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:22:26,971 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 05:22:26,974 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:22:27,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:22:27 BoogieIcfgContainer [2021-11-03 05:22:27,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:22:27,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:22:27,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:22:27,010 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:22:27,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:22:26" (3/4) ... [2021-11-03 05:22:27,013 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-03 05:22:27,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 05:22:27,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:22:27,067 INFO L168 Benchmark]: Toolchain (without parser) took 1377.32 ms. Allocated memory is still 79.7 MB. Free memory was 45.7 MB in the beginning and 39.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:27,068 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 79.7 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:27,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.59 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 63.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:27,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.76 ms. Allocated memory is still 79.7 MB. Free memory was 63.7 MB in the beginning and 62.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:27,071 INFO L168 Benchmark]: Boogie Preprocessor took 37.67 ms. Allocated memory is still 79.7 MB. Free memory was 62.3 MB in the beginning and 61.3 MB in the end (delta: 994.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:22:27,072 INFO L168 Benchmark]: RCFGBuilder took 370.10 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 52.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:27,075 INFO L168 Benchmark]: TraceAbstraction took 496.29 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 40.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:27,076 INFO L168 Benchmark]: Witness Printer took 52.36 ms. Allocated memory is still 79.7 MB. Free memory was 40.6 MB in the beginning and 39.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:22:27,084 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 79.7 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.59 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 63.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.76 ms. Allocated memory is still 79.7 MB. Free memory was 63.7 MB in the beginning and 62.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.67 ms. Allocated memory is still 79.7 MB. Free memory was 62.3 MB in the beginning and 61.3 MB in the end (delta: 994.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 370.10 ms. Allocated memory is still 79.7 MB. Free memory was 61.3 MB in the beginning and 52.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 496.29 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 40.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 52.36 ms. Allocated memory is still 79.7 MB. Free memory was 40.6 MB in the beginning and 39.0 MB in the end (delta: 1.6 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s 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! [2021-11-03 05:22:27,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41203f88-8d80-4e64-8f6f-2431a116eeea/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE