java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:37:22,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:37:22,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:37:22,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:37:22,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:37:22,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:37:22,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:37:22,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:37:22,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:37:22,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:37:22,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:37:22,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:37:22,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:37:22,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:37:22,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:37:22,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:37:22,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:37:22,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:37:22,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:37:22,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:37:22,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:37:22,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:37:22,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:37:22,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:37:22,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:37:22,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:37:22,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:37:22,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:37:22,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 00:37:22,192 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:37:22,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:37:22,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:37:22,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:37:22,194 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:37:22,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:37:22,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:37:22,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:37:22,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:37:22,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:37:22,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:37:22,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:37:22,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:37:22,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:37:22,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:37:22,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:37:22,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:37:22,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:37:22,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:37:22,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:37:22,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:37:22,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:37:22,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:37:22,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:37:22,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:37:22,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:37:22,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:37:22,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:37:22,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:37:22,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:37:22,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:37:22,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:37:22,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:37:22,263 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:37:22,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-08-31 00:37:22,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62ba743/2d1cfba54ec84a688d014dc5bb907861/FLAGce758c799 [2019-08-31 00:37:22,715 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:37:22,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-08-31 00:37:22,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62ba743/2d1cfba54ec84a688d014dc5bb907861/FLAGce758c799 [2019-08-31 00:37:23,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a62ba743/2d1cfba54ec84a688d014dc5bb907861 [2019-08-31 00:37:23,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:37:23,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:37:23,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:37:23,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:37:23,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:37:23,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b76c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23, skipping insertion in model container [2019-08-31 00:37:23,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,164 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:37:23,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:37:23,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:37:23,357 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:37:23,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:37:23,387 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:37:23,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23 WrapperNode [2019-08-31 00:37:23,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:37:23,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:37:23,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:37:23,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:37:23,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:37:23,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:37:23,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:37:23,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:37:23,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:37:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:37:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:37:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:37:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2019-08-31 00:37:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:37:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:37:23,698 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:37:23,698 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:37:23,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:37:23 BoogieIcfgContainer [2019-08-31 00:37:23,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:37:23,700 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:37:23,700 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:37:23,701 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:37:23,702 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:37:23" (1/1) ... [2019-08-31 00:37:23,733 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:37:23,733 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:37:23,741 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:37:23,747 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:37:23,749 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:37:23,810 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-08-31 00:37:23,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 00:37:23,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 00:37:23,861 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:37:23,861 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:37:23,864 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(and (or (and (= 0.0 |old(~d~0)|) (= main_~x~0 2) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0)))) (and (= 0.0 |old(~d~0)|) (= main_~x~0 4) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0))))) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0)))) [2019-08-31 00:37:23,880 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:37:23,880 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:37:23,882 INFO L168 Benchmark]: Toolchain (without parser) took 732.86 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 155.7 MB in the end (delta: -67.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:37:23,883 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:37:23,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.65 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 79.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:23,885 INFO L168 Benchmark]: Boogie Preprocessor took 112.23 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.6 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:23,886 INFO L168 Benchmark]: RCFGBuilder took 198.73 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 164.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:23,887 INFO L168 Benchmark]: Sifa took 180.28 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 155.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-31 00:37:23,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.65 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 79.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.23 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.6 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 198.73 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 164.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Sifa took 180.28 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 155.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.1s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 10 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 13 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 42 DAG_COMPRESSION_PROCESSED_NODES, 29 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 24]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 33#(and (or (and (= 0.0 |old(~d~0)|) (= main_~x~0 2) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0)))) (and (= 0.0 |old(~d~0)|) (= main_~x~0 4) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0))))) (or (and (<= 0.0 |old(~d~0)|) (<= 2 main_~x~0) (<= main_~x~0 2) (<= |old(~d~0)| 0.0)) (and (<= 4 main_~x~0) (<= 0.0 |old(~d~0)|) (<= main_~x~0 4) (<= |old(~d~0)| 0.0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...