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/nest-if3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:07:33,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:07:33,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:07:33,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:07:33,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:07:33,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:07:33,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:07:33,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:07:33,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:07:33,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:07:33,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:07:33,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:07:33,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:07:33,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:07:33,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:07:33,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:07:33,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:07:33,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:07:33,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:07:33,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:07:33,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:07:33,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:07:33,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:07:33,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:07:33,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 09:07:33,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:07:33,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:07:33,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:07:33,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:07:33,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:07:33,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:07:33,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:07:33,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:07:33,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:07:33,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:07:33,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:07:33,550 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 09:07:33,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:07:33,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:07:33,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:07:33,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:07:33,567 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:07:33,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:07:33,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:07:33,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:07:33,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:07:33,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:07:33,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:07:33,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:07:33,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:07:33,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:07:33,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:07:33,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:07:33,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:07:33,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:07:33,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:07:33,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:07:33,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:07:33,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:07:33,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:07:33,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:07:33,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:07:33,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:07:33,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:07:33,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:07:33,572 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 09:07:33,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:07:33,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:07:33,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:07:33,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:07:33,621 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:07:33,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-06 09:07:33,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede6eafa7/4336a55d79034c42a7f8a4d075520727/FLAG13103fc12 [2019-09-06 09:07:34,169 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:07:34,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-09-06 09:07:34,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede6eafa7/4336a55d79034c42a7f8a4d075520727/FLAG13103fc12 [2019-09-06 09:07:34,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede6eafa7/4336a55d79034c42a7f8a4d075520727 [2019-09-06 09:07:34,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:07:34,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:07:34,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:07:34,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:07:34,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:07:34,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed48f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34, skipping insertion in model container [2019-09-06 09:07:34,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:07:34,582 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:07:34,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:07:34,802 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:07:34,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:07:34,844 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:07:34,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34 WrapperNode [2019-09-06 09:07:34,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:07:34,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:07:34,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:07:34,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:07:34,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (1/1) ... [2019-09-06 09:07:34,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:07:34,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:07:34,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:07:34,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:07:34,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:07:34" (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 09:07:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:07:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:07:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:07:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:07:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:07:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:07:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:07:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:07:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:07:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:07:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:07:35,269 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:07:35,270 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-06 09:07:35,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:07:35 BoogieIcfgContainer [2019-09-06 09:07:35,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:07:35,272 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:07:35,272 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:07:35,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:07:35,273 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:07:35" (1/1) ... [2019-09-06 09:07:35,274 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 09:07:35,296 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:07:35,297 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:07:35,304 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:07:35,313 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:07:35,315 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:07:35,378 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 09:07:35,938 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:07:35,941 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:07:35,942 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:07:35,948 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 176#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:07:35,962 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:07:35,963 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:07:35,965 INFO L168 Benchmark]: Toolchain (without parser) took 1417.20 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 126.7 MB in the end (delta: -40.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,966 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.82 ms. Allocated memory is still 137.9 MB. Free memory was 86.4 MB in the beginning and 76.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,970 INFO L168 Benchmark]: Boogie Preprocessor took 148.26 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 76.7 MB in the beginning and 175.2 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,971 INFO L168 Benchmark]: RCFGBuilder took 277.15 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 162.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,972 INFO L168 Benchmark]: Sifa took 691.13 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 126.7 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:07:35,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.82 ms. Allocated memory is still 137.9 MB. Free memory was 86.4 MB in the beginning and 76.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.26 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 76.7 MB in the beginning and 175.2 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.15 ms. Allocated memory is still 197.7 MB. Free memory was 175.2 MB in the beginning and 162.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 691.13 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 126.7 MB in the end (delta: 36.1 MB). Peak memory consumption was 36.1 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]: 652, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 110, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 84, TOOLS_POST_TIME[ms]: 71, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 164, TOOLS_POST_RETURN_APPLICATIONS: 15, TOOLS_POST_RETURN_TIME[ms]: 43, TOOLS_QUANTIFIERELIM_TIME[ms]: 232, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 123, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 39, DOMAIN_JOIN_TIME[ms]: 68, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 13, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME[ms]: 91, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 69, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 450, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 450, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 15, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 83, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 152, DAG_COMPRESSION_RETAINED_NODES: 72 - 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 176#(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...