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-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:08:06,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:08:06,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:08:06,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:08:06,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:08:06,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:08:06,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:08:06,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:08:06,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:08:06,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:08:06,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:08:06,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:08:06,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:08:06,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:08:06,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:08:06,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:08:06,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:08:06,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:08:06,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:08:06,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:08:06,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:08:06,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:08:06,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:08:06,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:08:06,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 09:08:06,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:08:06,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:08:06,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:08:06,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:08:06,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:08:06,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:08:06,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:08:06,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:08:06,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:08:06,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:08:06,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:08:06,823 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 [2019-09-06 09:08:06,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:08:06,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:08:06,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:08:06,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:08:06,840 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:08:06,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:08:06,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:08:06,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:08:06,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:08:06,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:08:06,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:08:06,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:08:06,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:08:06,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:08:06,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:08:06,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:08:06,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:08:06,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:08:06,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:08:06,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:08:06,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:08:06,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:08:06,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:08:06,844 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 [2019-09-06 09:08:06,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:08:06,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:08:06,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:08:06,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:08:06,891 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:08:06,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-09-06 09:08:06,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272fa4409/c322e17400094c038f76c6cf505f23c9/FLAG183c51a26 [2019-09-06 09:08:07,460 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:08:07,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-09-06 09:08:07,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272fa4409/c322e17400094c038f76c6cf505f23c9/FLAG183c51a26 [2019-09-06 09:08:07,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272fa4409/c322e17400094c038f76c6cf505f23c9 [2019-09-06 09:08:07,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:08:07,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:08:07,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:07,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:08:07,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:08:07,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:07" (1/1) ... [2019-09-06 09:08:07,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144214cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:07, skipping insertion in model container [2019-09-06 09:08:07,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:07" (1/1) ... [2019-09-06 09:08:07,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:08:07,866 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:08:08,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:08,262 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:08:08,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:08,379 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:08:08,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08 WrapperNode [2019-09-06 09:08:08,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:08,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:08:08,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:08:08,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:08:08,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (1/1) ... [2019-09-06 09:08:08,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:08:08,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:08:08,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:08:08,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:08:08,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:08" (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 [2019-09-06 09:08:08,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:08:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:08:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:08:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:08:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-06 09:08:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-06 09:08:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:08:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:08:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:08:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:08:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:08:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 09:08:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:08:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:08:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:08:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:08:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:08:09,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:08:09,398 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 09:08:09,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:09 BoogieIcfgContainer [2019-09-06 09:08:09,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:08:09,400 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:08:09,400 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:08:09,401 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:08:09,402 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:09" (1/1) ... [2019-09-06 09:08:09,403 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 [2019-09-06 09:08:09,439 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:08:09,440 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:08:09,451 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:08:09,464 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:08:09,466 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:08:09,581 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-06 09:09:26,973 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:09:26,974 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:09:26,977 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#(and (<= 0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (<= main_~__VERIFIER_assert__Id_MCDC_92~1 0) (<= main_~__tmp_3~0 0) (<= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (<= 0 main_~__VERIFIER_assert__Id_MCDC_92~1) (<= 0 main_~__tmp_3~0)) [2019-09-06 09:09:26,993 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:09:26,993 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:09:26,996 INFO L168 Benchmark]: Toolchain (without parser) took 79181.08 ms. Allocated memory was 134.2 MB in the beginning and 330.8 MB in the end (delta: 196.6 MB). Free memory was 88.4 MB in the beginning and 247.1 MB in the end (delta: -158.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:26,998 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-06 09:09:26,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.72 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 88.1 MB in the beginning and 172.2 MB in the end (delta: -84.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:27,000 INFO L168 Benchmark]: Boogie Preprocessor took 90.90 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 168.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:27,006 INFO L168 Benchmark]: RCFGBuilder took 927.75 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 97.1 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:27,008 INFO L168 Benchmark]: Sifa took 77593.38 ms. Allocated memory was 202.4 MB in the beginning and 330.8 MB in the end (delta: 128.5 MB). Free memory was 97.1 MB in the beginning and 247.1 MB in the end (delta: -150.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:09:27,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 563.72 ms. Allocated memory was 134.2 MB in the beginning and 202.4 MB in the end (delta: 68.2 MB). Free memory was 88.1 MB in the beginning and 172.2 MB in the end (delta: -84.0 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.90 ms. Allocated memory is still 202.4 MB. Free memory was 172.2 MB in the beginning and 168.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 927.75 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 97.1 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * Sifa took 77593.38 ms. Allocated memory was 202.4 MB in the beginning and 330.8 MB in the end (delta: 128.5 MB). Free memory was 97.1 MB in the beginning and 247.1 MB in the end (delta: -150.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 77538, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 77326, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 77313, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 30, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 35, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 102, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 101, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 42, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 67, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 219]: 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 36#(and (<= 0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (<= main_~__VERIFIER_assert__Id_MCDC_92~1 0) (<= main_~__tmp_3~0 0) (<= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (<= 0 main_~__VERIFIER_assert__Id_MCDC_92~1) (<= 0 main_~__tmp_3~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...