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/arctan_Pade.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:38:50,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:38:50,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:38:50,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:38:50,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:38:50,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:38:50,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:38:50,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:38:50,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:38:50,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:38:50,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:38:50,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:38:50,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:38:50,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:38:50,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:38:50,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:38:50,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:38:50,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:38:50,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:38:50,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:38:50,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:38:50,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:38:50,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:38:50,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:38:50,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:38:50,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:38:50,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:38:50,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:38:50,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:38:50,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:38:50,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:38:50,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:38:50,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:38:50,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:38:50,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:38:50,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:38:50,659 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 00:38:50,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:38:50,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:38:50,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:38:50,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:38:50,676 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:38:50,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:38:50,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:38:50,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:38:50,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:38:50,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:38:50,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:38:50,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:38:50,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:38:50,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:38:50,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:38:50,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:38:50,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:38:50,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:38:50,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:38:50,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:38:50,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:38:50,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:38:50,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:38:50,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:38:50,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:38:50,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:38:50,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:38:50,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:38:50,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:38:50,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:38:50,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:38:50,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:38:50,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:38:50,726 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:38:50,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/arctan_Pade.c [2019-08-31 00:38:50,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08292deec/225ed94b783a4ba299d0e79cd06592c2/FLAG0997fdf70 [2019-08-31 00:38:51,235 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:38:51,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/arctan_Pade.c [2019-08-31 00:38:51,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08292deec/225ed94b783a4ba299d0e79cd06592c2/FLAG0997fdf70 [2019-08-31 00:38:51,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08292deec/225ed94b783a4ba299d0e79cd06592c2 [2019-08-31 00:38:51,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:38:51,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:38:51,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:38:51,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:38:51,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:38:51,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660f32e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51, skipping insertion in model container [2019-08-31 00:38:51,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,662 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:38:51,678 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:38:51,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:38:51,839 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:38:51,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:38:51,872 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:38:51,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51 WrapperNode [2019-08-31 00:38:51,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:38:51,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:38:51,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:38:51,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:38:51,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (1/1) ... [2019-08-31 00:38:51,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:38:51,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:38:51,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:38:51,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:38:51,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:38:51" (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 00:38:52,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:38:52,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:38:52,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:38:52,046 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2019-08-31 00:38:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2019-08-31 00:38:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2019-08-31 00:38:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2019-08-31 00:38:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:38:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:38:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-31 00:38:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:38:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:38:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2019-08-31 00:38:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2019-08-31 00:38:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2019-08-31 00:38:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2019-08-31 00:38:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:38:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:38:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:38:52,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:38:52,287 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:38:52,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:38:52 BoogieIcfgContainer [2019-08-31 00:38:52,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:38:52,303 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:38:52,303 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:38:52,303 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:38:52,308 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:38:52" (1/1) ... [2019-08-31 00:38:52,358 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:38:52,359 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:38:52,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:38:52,379 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:38:52,380 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:38:52,449 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-08-31 00:38:52,494 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 12 for LOIs [2019-08-31 00:38:52,502 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:38:52,502 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:38:52,504 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (<= __VERIFIER_assert_~cond 0) (= (/ 1570796326794896619.0 500000000000000000.0) ~Pi~0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= (/ 1570796326794896619.0 500000000000000000.0) ~Pi~0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (<= ~Pi~0 (/ 1570796326794896619.0 500000000000000000.0)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 00:38:52,518 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:38:52,518 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:38:52,520 INFO L168 Benchmark]: Toolchain (without parser) took 872.67 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 87.9 MB in the beginning and 154.8 MB in the end (delta: -66.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:38:52,521 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 00:38:52,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 141.0 MB. Free memory was 87.7 MB in the beginning and 77.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-31 00:38:52,523 INFO L168 Benchmark]: Boogie Preprocessor took 113.59 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 77.8 MB in the beginning and 177.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-31 00:38:52,524 INFO L168 Benchmark]: RCFGBuilder took 314.86 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 163.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-31 00:38:52,525 INFO L168 Benchmark]: Sifa took 215.52 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 154.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:38:52,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 141.0 MB. Free memory was 87.7 MB in the beginning and 77.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.59 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 77.8 MB in the beginning and 177.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.86 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 163.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Sifa took 215.52 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 154.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 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, 33 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 24 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 9 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 7 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 33 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 8 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, 2 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, 7 CALL_SUMMARIZER_APPLICATIONS, 5 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s 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, 81 DAG_COMPRESSION_PROCESSED_NODES, 55 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 12]: 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 74#(and (<= __VERIFIER_assert_~cond 0) (= (/ 1570796326794896619.0 500000000000000000.0) ~Pi~0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= (/ 1570796326794896619.0 500000000000000000.0) ~Pi~0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (<= ~Pi~0 (/ 1570796326794896619.0 500000000000000000.0)) (= |__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...