./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:35:05,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:35:05,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:35:05,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:35:05,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:35:05,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:35:05,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:35:05,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:35:05,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:35:05,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:35:05,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:35:05,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:35:05,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:35:05,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:35:05,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:35:05,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:35:05,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:35:05,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:35:05,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:35:05,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:35:05,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:35:05,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:35:05,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:35:05,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:35:05,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:35:05,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:35:05,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:35:05,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:35:05,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:35:05,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:35:05,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:35:05,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:35:05,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:35:05,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:35:05,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:35:05,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:35:05,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:35:05,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:35:05,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:35:05,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:35:05,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:35:05,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:35:05,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:35:05,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:35:05,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:35:05,255 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:35:05,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:35:05,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:35:05,257 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:35:05,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:35:05,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:35:05,257 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:35:05,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:35:05,258 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:35:05,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:35:05,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:35:05,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:35:05,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:35:05,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:35:05,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:35:05,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:35:05,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:35:05,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:35:05,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:35:05,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:35:05,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:35:05,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:35:05,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:05,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:35:05,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:35:05,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:35:05,262 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:35:05,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:35:05,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:35:05,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:35:05,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:35:05,263 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_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-10-16 02:35:05,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:35:05,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:35:05,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:35:05,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:35:05,577 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:35:05,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-16 02:35:05,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/9cd42b9cc/bf1df360ed1e4b7e9cb2c13fce27d8ce/FLAGf3a7e552e [2021-10-16 02:35:06,134 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:35:06,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-16 02:35:06,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/9cd42b9cc/bf1df360ed1e4b7e9cb2c13fce27d8ce/FLAGf3a7e552e [2021-10-16 02:35:06,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/9cd42b9cc/bf1df360ed1e4b7e9cb2c13fce27d8ce [2021-10-16 02:35:06,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:35:06,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:35:06,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:06,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:35:06,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:35:06,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b9f9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06, skipping insertion in model container [2021-10-16 02:35:06,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:35:06,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:35:06,733 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_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-16 02:35:06,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:06,759 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:35:06,783 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_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-16 02:35:06,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:06,797 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:35:06,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06 WrapperNode [2021-10-16 02:35:06,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:06,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:06,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:35:06,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:35:06,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:06,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:35:06,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:35:06,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:35:06,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:35:06,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:35:06,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:35:06,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:35:06,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (1/1) ... [2021-10-16 02:35:06,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:35:06,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:35:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:35:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:35:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:35:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:35:07,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:35:07,132 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:35:07,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:07 BoogieIcfgContainer [2021-10-16 02:35:07,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:35:07,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:35:07,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:35:07,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:35:07,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:35:06" (1/3) ... [2021-10-16 02:35:07,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d04e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:07, skipping insertion in model container [2021-10-16 02:35:07,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:06" (2/3) ... [2021-10-16 02:35:07,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d04e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:07, skipping insertion in model container [2021-10-16 02:35:07,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:07" (3/3) ... [2021-10-16 02:35:07,150 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-16 02:35:07,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:35:07,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:35:07,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:35:07,213 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, mConcurrency=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 [2021-10-16 02:35:07,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:35:07,227 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) [2021-10-16 02:35:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-16 02:35:07,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:07,232 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-16 02:35:07,232 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:07,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:07,238 INFO L82 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-10-16 02:35:07,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:35:07,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54507422] [2021-10-16 02:35:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:07,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:35:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:35:07,335 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:35:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:35:07,368 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:35:07,370 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:35:07,371 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:35:07,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:35:07,379 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:35:07,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:35:07 BoogieIcfgContainer [2021-10-16 02:35:07,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:35:07,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:35:07,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:35:07,395 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:35:07,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:07" (3/4) ... [2021-10-16 02:35:07,398 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:35:07,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:35:07,401 INFO L168 Benchmark]: Toolchain (without parser) took 868.56 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 61.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,401 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.08 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 86.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 111.1 MB. Free memory was 86.2 MB in the beginning and 84.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,404 INFO L168 Benchmark]: Boogie Preprocessor took 31.02 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 84.0 MB in the end (delta: 829.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,404 INFO L168 Benchmark]: RCFGBuilder took 266.57 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 75.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,405 INFO L168 Benchmark]: TraceAbstraction took 257.06 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 62.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,406 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 111.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.08 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 86.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 111.1 MB. Free memory was 86.2 MB in the beginning and 84.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.02 ms. Allocated memory is still 111.1 MB. Free memory was 84.8 MB in the beginning and 84.0 MB in the end (delta: 829.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 266.57 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 75.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 257.06 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 62.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 111.1 MB. Free memory is still 61.9 MB. 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 173.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.4ms SsaConstructionTime, 26.7ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-16 02:35:07,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:35:09,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:35:09,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:35:09,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:35:09,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:35:09,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:35:09,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:35:09,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:35:09,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:35:09,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:35:10,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:35:10,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:35:10,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:35:10,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:35:10,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:35:10,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:35:10,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:35:10,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:35:10,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:35:10,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:35:10,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:35:10,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:35:10,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:35:10,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:35:10,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:35:10,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:35:10,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:35:10,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:35:10,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:35:10,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:35:10,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:35:10,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:35:10,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:35:10,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:35:10,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:35:10,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:35:10,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:35:10,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:35:10,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:35:10,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:35:10,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:35:10,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:35:10,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:35:10,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:35:10,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:35:10,099 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:35:10,099 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:35:10,099 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:35:10,099 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:35:10,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:35:10,099 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:35:10,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:35:10,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:35:10,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:35:10,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:35:10,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:35:10,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:35:10,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:35:10,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:35:10,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:35:10,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:35:10,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:35:10,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:35:10,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:10,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:35:10,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:35:10,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:35:10,106 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:35:10,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:35:10,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:35:10,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:35:10,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:35:10,107 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_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2021-10-16 02:35:10,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:35:10,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:35:10,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:35:10,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:35:10,542 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:35:10,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-16 02:35:10,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/c01f3dc70/ec1d6ba7de9b43bf88365136691f2765/FLAG5229afb1c [2021-10-16 02:35:11,171 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:35:11,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-16 02:35:11,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/c01f3dc70/ec1d6ba7de9b43bf88365136691f2765/FLAG5229afb1c [2021-10-16 02:35:11,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/data/c01f3dc70/ec1d6ba7de9b43bf88365136691f2765 [2021-10-16 02:35:11,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:35:11,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:35:11,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:11,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:35:11,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:35:11,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13977ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11, skipping insertion in model container [2021-10-16 02:35:11,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:35:11,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:35:11,693 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_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-16 02:35:11,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:11,710 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:35:11,722 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_ee290369-d095-40e2-9147-27ae353c166c/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-16 02:35:11,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:35:11,745 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:35:11,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11 WrapperNode [2021-10-16 02:35:11,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:35:11,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:11,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:35:11,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:35:11,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:35:11,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:35:11,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:35:11,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:35:11,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:35:11,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:35:11,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:35:11,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:35:11,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (1/1) ... [2021-10-16 02:35:11,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:35:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:35:11,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:35:11,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:35:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:35:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:35:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:35:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:35:12,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:35:12,093 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:35:12,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:12 BoogieIcfgContainer [2021-10-16 02:35:12,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:35:12,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:35:12,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:35:12,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:35:12,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:35:11" (1/3) ... [2021-10-16 02:35:12,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b113647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:12, skipping insertion in model container [2021-10-16 02:35:12,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:35:11" (2/3) ... [2021-10-16 02:35:12,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b113647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:35:12, skipping insertion in model container [2021-10-16 02:35:12,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:12" (3/3) ... [2021-10-16 02:35:12,117 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-16 02:35:12,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:35:12,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:35:12,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:35:12,200 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, mConcurrency=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 [2021-10-16 02:35:12,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:35:12,213 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) [2021-10-16 02:35:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 02:35:12,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:35:12,219 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 02:35:12,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:35:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:35:12,239 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-16 02:35:12,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:35:12,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369724352] [2021-10-16 02:35:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:35:12,265 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:35:12,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:35:12,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:35:12,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:35:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:35:12,431 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:35:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:35:12,509 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:35:12,511 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:35:12,512 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:35:12,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:35:12,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:35:12,736 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:35:12,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:35:12 BoogieIcfgContainer [2021-10-16 02:35:12,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:35:12,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:35:12,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:35:12,762 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:35:12,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:35:12" (3/4) ... [2021-10-16 02:35:12,764 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:35:12,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:35:12,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:35:12,813 INFO L168 Benchmark]: Toolchain (without parser) took 1265.82 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.2 MB in the beginning and 42.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:12,814 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:12,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.71 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 40.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:12,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 56.6 MB. Free memory was 40.7 MB in the beginning and 39.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:12,817 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 38.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:12,820 INFO L168 Benchmark]: RCFGBuilder took 293.11 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:12,820 INFO L168 Benchmark]: TraceAbstraction took 659.77 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 43.8 MB in the end (delta: -14.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:12,822 INFO L168 Benchmark]: Witness Printer took 45.11 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 42.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:12,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 201.71 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 40.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 56.6 MB. Free memory was 40.7 MB in the beginning and 39.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 38.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 293.11 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 29.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 659.77 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 43.8 MB in the end (delta: -14.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 45.11 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 42.3 MB in the end (delta: 1.5 MB). 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 - 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: 543.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.7ms, 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: 21.6ms SsaConstructionTime, 35.3ms 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! [2021-10-16 02:35:12,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee290369-d095-40e2-9147-27ae353c166c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...