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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:23:50,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:23:50,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:23:50,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:23:50,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:23:50,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:23:50,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:23:50,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:23:50,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:23:50,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:23:50,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:23:50,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:23:50,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:23:50,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:23:50,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:23:50,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:23:50,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:23:50,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:23:50,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:23:50,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:23:50,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:23:50,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:23:50,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:23:50,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:23:50,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 18:23:50,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:23:50,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:23:50,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:23:50,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:23:50,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:23:50,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:23:50,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:23:50,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:23:50,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:23:50,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:23:50,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:23:50,232 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 [2019-09-20 18:23:50,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:23:50,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:23:50,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:23:50,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:23:50,259 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:23:50,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:23:50,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:23:50,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:23:50,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:23:50,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:23:50,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:23:50,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:23:50,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:23:50,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:23:50,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:23:50,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:23:50,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:23:50,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:23:50,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:23:50,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:23:50,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:23:50,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:50,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:23:50,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:23:50,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:23:50,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:23:50,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:23:50,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:23:50,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:23:50,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:23:50,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:23:50,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:23:50,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:23:50,344 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:23:50,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-09-20 18:23:50,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66f9fb48/b2993ad30b024189bb53e5b4f8a84069/FLAG416076963 [2019-09-20 18:23:50,819 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:23:50,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2019-09-20 18:23:50,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66f9fb48/b2993ad30b024189bb53e5b4f8a84069/FLAG416076963 [2019-09-20 18:23:51,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66f9fb48/b2993ad30b024189bb53e5b4f8a84069 [2019-09-20 18:23:51,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:23:51,177 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:23:51,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:51,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:23:51,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:23:51,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173ac8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51, skipping insertion in model container [2019-09-20 18:23:51,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:23:51,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:23:51,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:51,401 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:23:51,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:51,438 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:23:51,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51 WrapperNode [2019-09-20 18:23:51,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:51,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:23:51,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:23:51,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:23:51,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:23:51,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:23:51,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:23:51,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:23:51,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:51" (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 [2019-09-20 18:23:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:23:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:23:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:23:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:23:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:23:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:23:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:23:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:23:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:23:51,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:23:51,768 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:23:51,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:51 BoogieIcfgContainer [2019-09-20 18:23:51,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:23:51,771 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:23:51,771 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:23:51,772 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:23:51,773 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:51" (1/1) ... [2019-09-20 18:23:51,774 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:23:51,794 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:23:51,794 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:23:51,801 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:23:51,809 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:23:51,811 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:23:51,866 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 18:23:52,373 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 18:23:52,390 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:23:52,390 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:23:52,393 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 18:23:52,407 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:23:52,407 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:23:52,410 INFO L168 Benchmark]: Toolchain (without parser) took 1231.81 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.6 MB in the beginning and 128.1 MB in the end (delta: -38.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.46 ms. Allocated memory is still 133.2 MB. Free memory was 89.4 MB in the beginning and 80.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,414 INFO L168 Benchmark]: Boogie Preprocessor took 115.64 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.2 MB in the beginning and 177.3 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,415 INFO L168 Benchmark]: RCFGBuilder took 215.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,416 INFO L168 Benchmark]: Sifa took 636.04 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 128.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:52,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.46 ms. Allocated memory is still 133.2 MB. Free memory was 89.4 MB in the beginning and 80.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.64 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 80.2 MB in the beginning and 177.3 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.23 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Sifa took 636.04 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 128.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 599, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 21, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 41, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 255, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 155, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 476, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 476, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 66, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 66, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 47#(and (= 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...