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/float-benchs/inv_square-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 01:01:36,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 01:01:36,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 01:01:36,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 01:01:36,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 01:01:36,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 01:01:36,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 01:01:36,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 01:01:36,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 01:01:36,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 01:01:36,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 01:01:36,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 01:01:36,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 01:01:36,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 01:01:36,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 01:01:36,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 01:01:36,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 01:01:36,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 01:01:36,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 01:01:36,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 01:01:36,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 01:01:36,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 01:01:36,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 01:01:36,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 01:01:36,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 01:01:36,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 01:01:36,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 01:01:36,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 01:01:36,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 01:01:36,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 01:01:36,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 01:01:36,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 01:01:36,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 01:01:36,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 01:01:36,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 01:01:36,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 01:01:36,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 01:01:36,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 01:01:36,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 01:01:36,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 01:01:36,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 01:01:36,491 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 01:01:36,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 01:01:36,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 01:01:36,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 01:01:36,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 01:01:36,533 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 01:01:36,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 01:01:36,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 01:01:36,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 01:01:36,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 01:01:36,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 01:01:36,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 01:01:36,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 01:01:36,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 01:01:36,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 01:01:36,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 01:01:36,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 01:01:36,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 01:01:36,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 01:01:36,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 01:01:36,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 01:01:36,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 01:01:36,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 01:01:36,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 01:01:36,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 01:01:36,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 01:01:36,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 01:01:36,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 01:01:36,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 01:01:36,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 01:01:36,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 01:01:36,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 01:01:36,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 01:01:36,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 01:01:36,614 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 01:01:36,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_square-2.c [2019-08-31 01:01:36,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e74070ce/00d427a8adce4814b2fee53d1c539798/FLAG8034478fd [2019-08-31 01:01:37,091 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 01:01:37,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_square-2.c [2019-08-31 01:01:37,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e74070ce/00d427a8adce4814b2fee53d1c539798/FLAG8034478fd [2019-08-31 01:01:37,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e74070ce/00d427a8adce4814b2fee53d1c539798 [2019-08-31 01:01:37,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 01:01:37,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 01:01:37,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:37,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 01:01:37,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 01:01:37,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@906691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37, skipping insertion in model container [2019-08-31 01:01:37,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 01:01:37,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 01:01:37,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:37,735 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 01:01:37,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:37,765 INFO L192 MainTranslator]: Completed translation [2019-08-31 01:01:37,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37 WrapperNode [2019-08-31 01:01:37,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:37,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 01:01:37,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 01:01:37,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 01:01:37,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (1/1) ... [2019-08-31 01:01:37,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 01:01:37,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 01:01:37,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 01:01:37,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 01:01:37,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:37" (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 01:01:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 01:01:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 01:01:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 01:01:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 01:01:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 01:01:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 01:01:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 01:01:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 01:01:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 01:01:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 01:01:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 01:01:38,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 01:01:38,079 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 01:01:38,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:38 BoogieIcfgContainer [2019-08-31 01:01:38,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 01:01:38,081 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 01:01:38,082 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 01:01:38,083 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 01:01:38,084 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:38" (1/1) ... [2019-08-31 01:01:38,121 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 01:01:38,121 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 01:01:38,128 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 01:01:38,136 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 01:01:38,138 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 01:01:38,184 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 01:01:38,198 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-08-31 01:01:38,209 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 01:01:38,210 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 01:01:38,212 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 20#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 01:01:38,227 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 01:01:38,228 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 01:01:38,230 INFO L168 Benchmark]: Toolchain (without parser) took 717.50 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 156.4 MB in the end (delta: -67.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 01:01:38,231 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 01:01:38,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.00 ms. Allocated memory is still 132.6 MB. Free memory was 88.7 MB in the beginning and 79.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:38,233 INFO L168 Benchmark]: Boogie Preprocessor took 103.82 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 79.4 MB in the beginning and 174.2 MB in the end (delta: -94.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:38,234 INFO L168 Benchmark]: RCFGBuilder took 209.46 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 163.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:38,235 INFO L168 Benchmark]: Sifa took 147.07 ms. Allocated memory is still 198.2 MB. Free memory was 163.6 MB in the beginning and 156.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:38,239 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 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.00 ms. Allocated memory is still 132.6 MB. Free memory was 88.7 MB in the beginning and 79.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.82 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 79.4 MB in the beginning and 174.2 MB in the end (delta: -94.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.46 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 163.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Sifa took 147.07 ms. Allocated memory is still 198.2 MB. Free memory was 163.6 MB in the beginning and 156.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 9 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 6 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 9 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 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, 0 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, 1 CALL_SUMMARIZER_APPLICATIONS, 1 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: 8]: 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 20#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...