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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:14:54,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:14:54,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:14:54,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:14:54,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:14:54,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:14:54,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:14:54,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:14:54,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:14:54,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:14:54,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:14:54,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:14:54,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:14:54,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:14:54,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:14:54,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:14:54,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:14:54,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:14:54,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:14:54,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:14:54,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:14:54,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:14:54,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:14:54,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:14:54,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 11:14:54,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 11:14:54,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 11:14:54,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 11:14:54,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 11:14:54,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 11:14:54,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:14:54,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:14:54,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:14:54,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:14:54,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:14:54,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:14:54,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:14:54,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:14:54,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:14:54,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:14:54,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:14:54,877 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 [2019-09-05 11:14:54,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:14:54,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:14:54,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:14:54,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:14:54,894 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:14:54,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:14:54,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:14:54,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:14:54,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:14:54,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:14:54,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:14:54,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:14:54,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:14:54,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:14:54,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:14:54,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:14:54,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:14:54,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:14:54,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:14:54,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:14:54,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:14:54,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:14:54,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:14:54,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:14:54,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:14:54,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:14:54,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:14:54,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:14:54,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:14:54,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:14:54,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:14:54,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:14:54,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:14:54,944 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:14:54,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-05 11:14:55,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aacfd6e3/c43988db87dc492393e567194431bc63/FLAG711ea9abd [2019-09-05 11:14:55,428 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:14:55,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-05 11:14:55,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aacfd6e3/c43988db87dc492393e567194431bc63/FLAG711ea9abd [2019-09-05 11:14:55,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aacfd6e3/c43988db87dc492393e567194431bc63 [2019-09-05 11:14:55,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:14:55,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:14:55,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:55,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:14:55,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:14:55,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:55" (1/1) ... [2019-09-05 11:14:55,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18230a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:55, skipping insertion in model container [2019-09-05 11:14:55,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:55" (1/1) ... [2019-09-05 11:14:55,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:14:55,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:14:55,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:55,985 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:14:56,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:56,023 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:14:56,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56 WrapperNode [2019-09-05 11:14:56,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:56,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:14:56,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:14:56,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:14:56,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:14:56,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:14:56,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:14:56,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:14:56,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:56" (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 [2019-09-05 11:14:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:14:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:14:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:14:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:14:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:14:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:14:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:14:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 11:14:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:14:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:14:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:14:56,628 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:14:56,628 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 11:14:56,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:56 BoogieIcfgContainer [2019-09-05 11:14:56,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:14:56,630 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:14:56,630 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:14:56,631 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:14:56,632 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:56" (1/1) ... [2019-09-05 11:14:56,632 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:14:56,667 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:14:56,667 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:14:56,675 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:14:56,684 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:14:56,686 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:14:56,753 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 11:14:56,933 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 16 [2019-09-05 11:14:57,154 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-05 11:14:57,155 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:14:57,156 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:14:57,158 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 71#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-05 11:14:57,171 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:14:57,172 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:14:57,174 INFO L168 Benchmark]: Toolchain (without parser) took 1387.31 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 95.3 MB in the beginning and 138.4 MB in the end (delta: -43.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,175 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 113.1 MB in the beginning and 112.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.56 ms. Allocated memory is still 138.9 MB. Free memory was 94.9 MB in the beginning and 85.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,177 INFO L168 Benchmark]: Boogie Preprocessor took 203.35 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 85.5 MB in the beginning and 182.0 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,178 INFO L168 Benchmark]: RCFGBuilder took 401.40 ms. Allocated memory is still 205.0 MB. Free memory was 182.0 MB in the beginning and 168.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,179 INFO L168 Benchmark]: Sifa took 541.97 ms. Allocated memory is still 205.0 MB. Free memory was 168.9 MB in the beginning and 138.4 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:57,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 113.1 MB in the beginning and 112.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.56 ms. Allocated memory is still 138.9 MB. Free memory was 94.9 MB in the beginning and 85.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.35 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 85.5 MB in the beginning and 182.0 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 401.40 ms. Allocated memory is still 205.0 MB. Free memory was 182.0 MB in the beginning and 168.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 541.97 ms. Allocated memory is still 205.0 MB. Free memory was 168.9 MB in the beginning and 138.4 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 491 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 45 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 33 TOOLS_POST_APPLICATIONS, 49 TOOLS_POST_TIME[ms], 11 TOOLS_POST_CALL_APPLICATIONS, 231 TOOLS_POST_CALL_TIME[ms], 8 TOOLS_POST_RETURN_APPLICATIONS, 24 TOOLS_POST_RETURN_TIME[ms], 270 TOOLS_QUANTIFIERELIM_TIME[ms], 8 FLUID_QUERY_TIME[ms], 48 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 10 DOMAIN_JOIN_APPLICATIONS, 36 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 2 DOMAIN_WIDEN_APPLICATIONS, 8 DOMAIN_WIDEN_TIME[ms], 12 DOMAIN_ISSUBSETEQ_APPLICATIONS, 41 DOMAIN_ISSUBSETEQ_TIME[ms], 3 DOMAIN_ISBOTTOM_APPLICATIONS, 4 DOMAIN_ISBOTTOM_TIME[ms], 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 328 LOOP_SUMMARIZER_OVERALL_TIME[ms], 328 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 3 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 8 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 78 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 5 PROCEDURE_GRAPH_BUILDER_TIME[ms], 5 PATH_EXPR_TIME[ms], 3 REGEX_TO_DAG_TIME[ms], 24 DAG_COMPRESSION_TIME[ms], 104 DAG_COMPRESSION_PROCESSED_NODES, 51 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 5]: 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 71#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...