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/ldv-regression/test_union_cast-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:59:01,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:59:01,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:59:01,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:59:01,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:59:01,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:59:01,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:59:01,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:59:01,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:59:01,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:59:01,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:59:01,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:59:01,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:59:01,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:59:01,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:59:01,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:59:01,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:59:01,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:59:01,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:59:01,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:59:01,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:59:01,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:59:01,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:59:01,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:59:01,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:59:01,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:59:01,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:59:01,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:59:01,387 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 08:59:01,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:59:01,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:59:01,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:59:01,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:59:01,415 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:59:01,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:59:01,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:59:01,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:59:01,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:59:01,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:59:01,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:59:01,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:59:01,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:59:01,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:59:01,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:59:01,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:59:01,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:59:01,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:59:01,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:59:01,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:59:01,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:59:01,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:59:01,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:59:01,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:59:01,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:59:01,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:59:01,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:59:01,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:59:01,421 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 08:59:01,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:59:01,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:59:01,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:59:01,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:59:01,501 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:59:01,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-09-06 08:59:01,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5639e896/fd31c66f5fd0495d806fbf6a95b4df91/FLAGfb97f1251 [2019-09-06 08:59:02,034 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:59:02,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-09-06 08:59:02,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5639e896/fd31c66f5fd0495d806fbf6a95b4df91/FLAGfb97f1251 [2019-09-06 08:59:02,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5639e896/fd31c66f5fd0495d806fbf6a95b4df91 [2019-09-06 08:59:02,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:59:02,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:59:02,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:02,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:59:02,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:59:02,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77257550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02, skipping insertion in model container [2019-09-06 08:59:02,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,399 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:59:02,417 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:59:02,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:02,611 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:59:02,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:02,648 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:59:02,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02 WrapperNode [2019-09-06 08:59:02,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:02,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:59:02,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:59:02,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:59:02,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (1/1) ... [2019-09-06 08:59:02,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:59:02,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:59:02,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:59:02,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:59:02,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:02" (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 08:59:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:59:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:59:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 08:59:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:59:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:59:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:59:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:59:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:59:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:59:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:59:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:59:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:59:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:59:03,084 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:59:03,084 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:59:03,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:03 BoogieIcfgContainer [2019-09-06 08:59:03,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:59:03,086 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:59:03,086 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:59:03,087 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:59:03,088 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:03" (1/1) ... [2019-09-06 08:59:03,088 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 08:59:03,110 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:59:03,111 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:59:03,118 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:59:03,127 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:59:03,129 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:59:03,200 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 08:59:03,340 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:59:03,382 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2019-09-06 08:59:03,389 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:59:03,389 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:59:03,391 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 14#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 08:59:03,404 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:59:03,404 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:59:03,406 INFO L168 Benchmark]: Toolchain (without parser) took 1023.09 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 86.6 MB in the beginning and 145.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 592.0 kB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,407 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.59 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 76.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,409 INFO L168 Benchmark]: Boogie Preprocessor took 124.68 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 76.2 MB in the beginning and 175.1 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,410 INFO L168 Benchmark]: RCFGBuilder took 311.44 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 161.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,411 INFO L168 Benchmark]: Sifa took 317.93 ms. Allocated memory is still 197.7 MB. Free memory was 161.2 MB in the beginning and 145.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:59:03,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.59 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 76.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.68 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 76.2 MB in the beginning and 175.1 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.44 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 161.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Sifa took 317.93 ms. Allocated memory is still 197.7 MB. Free memory was 161.2 MB in the beginning and 145.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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]: 281, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 57, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 144, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 189, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 14, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 21, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 39, DAG_COMPRESSION_RETAINED_NODES: 27 - UnprovableResult [Line: 4]: 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 14#(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...