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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/gj2007b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:23:39,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:23:39,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:23:39,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:23:39,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:23:39,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:23:39,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:23:39,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:23:39,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:23:39,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:23:39,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:23:39,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:23:39,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:23:39,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:23:39,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:23:39,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:23:39,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:23:39,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:23:39,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:23:39,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:23:39,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:23:39,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:23:39,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:23:39,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:23:39,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:23:39,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:23:39,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:23:39,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:23:39,630 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 19:23:39,644 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:23:39,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:23:39,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:23:39,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:23:39,645 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:23:39,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:23:39,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:23:39,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:23:39,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:23:39,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:23:39,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:23:39,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:23:39,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:23:39,647 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:23:39,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:23:39,648 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:23:39,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:23:39,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:23:39,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:23:39,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:23:39,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:23:39,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:39,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:23:39,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:23:39,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:23:39,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:23:39,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:23:39,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:23:39,650 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 -> SingleStatement 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 19:23:39,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:23:39,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:23:39,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:23:39,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:23:39,709 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:23:39,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007b.i [2019-09-20 19:23:39,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c489f6e/58b61d182f28464d842161ba86e2d2db/FLAGcc31b27bb [2019-09-20 19:23:40,211 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:23:40,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007b.i [2019-09-20 19:23:40,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c489f6e/58b61d182f28464d842161ba86e2d2db/FLAGcc31b27bb [2019-09-20 19:23:40,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c489f6e/58b61d182f28464d842161ba86e2d2db [2019-09-20 19:23:40,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:23:40,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:23:40,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:40,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:23:40,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:23:40,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd3fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40, skipping insertion in model container [2019-09-20 19:23:40,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,625 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:23:40,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:23:40,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:40,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:23:40,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:40,876 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:23:40,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40 WrapperNode [2019-09-20 19:23:40,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:40,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:23:40,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:23:40,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:23:40,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (1/1) ... [2019-09-20 19:23:40,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:23:40,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:23:40,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:23:40,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:23:40,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:40" (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 19:23:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:23:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:23:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 19:23:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:23:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:23:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:23:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:23:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:23:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:23:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:23:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:23:41,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:23:41,244 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 19:23:41,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:41 BoogieIcfgContainer [2019-09-20 19:23:41,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:23:41,247 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:23:41,248 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:23:41,254 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:23:41,256 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:41" (1/1) ... [2019-09-20 19:23:41,257 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 19:23:41,304 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:23:41,312 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:23:41,324 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:23:41,332 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:23:41,334 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:23:41,392 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 19:23:42,380 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 19:23:42,400 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:23:42,400 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:23:42,403 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 146#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 19:23:42,415 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:23:42,415 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:23:42,418 INFO L168 Benchmark]: Toolchain (without parser) took 1807.22 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 87.2 MB in the beginning and 177.7 MB in the end (delta: -90.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:23:42,419 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.82 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,421 INFO L168 Benchmark]: Boogie Preprocessor took 118.87 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,422 INFO L168 Benchmark]: RCFGBuilder took 249.94 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 163.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,424 INFO L168 Benchmark]: Sifa took 1167.99 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 163.0 MB in the beginning and 177.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:42,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.82 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.87 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.94 ms. Allocated memory is still 198.2 MB. Free memory was 175.2 MB in the beginning and 163.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Sifa took 1167.99 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 163.0 MB in the beginning and 177.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 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]: 1099, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 81, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 69, TOOLS_POST_TIME[ms]: 65, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 76, TOOLS_QUANTIFIERELIM_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 86, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 726, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 141, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 25, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 704, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 703, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 36, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 160, DAG_COMPRESSION_RETAINED_NODES: 63 - 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 146#(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...