/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:23:16,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:23:16,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:23:16,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:23:16,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:23:16,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:23:16,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:23:16,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:23:16,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:23:16,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:23:16,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:23:16,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:23:16,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:23:16,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:23:16,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:23:16,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:23:16,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:23:16,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:23:16,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:23:16,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:23:16,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:23:16,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:23:16,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:23:16,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:23:16,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:23:16,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:23:16,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:23:16,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:23:16,609 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 [2019-11-07 07:23:16,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:23:16,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:23:16,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:23:16,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:23:16,637 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:23:16,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:23:16,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:23:16,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:23:16,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:23:16,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:23:16,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:23:16,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:23:16,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:23:16,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:23:16,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:23:16,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:23:16,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:23:16,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:23:16,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:23:16,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:23:16,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:23:16,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:23:16,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:23:16,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:23:16,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:23:16,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:23:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:23:16,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:23:16,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 07:23:16,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:23:16,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:23:16,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:23:16,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:23:16,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:23:16,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label13.c [2019-11-07 07:23:17,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a230040/404d1fb0f44f4838bb421e9ec274ff67/FLAGcbf240169 [2019-11-07 07:23:17,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:23:17,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label13.c [2019-11-07 07:23:17,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a230040/404d1fb0f44f4838bb421e9ec274ff67/FLAGcbf240169 [2019-11-07 07:23:17,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86a230040/404d1fb0f44f4838bb421e9ec274ff67 [2019-11-07 07:23:17,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:23:17,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:23:17,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:23:17,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:23:17,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:23:17,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6550a9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:17, skipping insertion in model container [2019-11-07 07:23:17,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:23:17" (1/1) ... [2019-11-07 07:23:17,937 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:23:18,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:23:18,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:23:18,792 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:23:19,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:23:19,140 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:23:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19 WrapperNode [2019-11-07 07:23:19,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:23:19,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:23:19,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:23:19,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:23:19,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (1/1) ... [2019-11-07 07:23:19,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:23:19,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:23:19,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:23:19,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:23:19,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:23:19" (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 [2019-11-07 07:23:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:23:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:23:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:23:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:23:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:23:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:23:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:23:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:23:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:23:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:23:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:23:22,585 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:23:22,586 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:23:22,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:22 BoogieIcfgContainer [2019-11-07 07:23:22,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:23:22,589 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:23:22,590 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:23:22,591 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:23:22,592 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:23:22" (1/1) ... [2019-11-07 07:23:22,593 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 07:23:22,638 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:23:22,639 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:23:22,655 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:23:22,664 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:23:22,665 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:23:22,782 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 156 for LOIs [2019-11-07 07:23:24,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-07 07:23:24,782 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-07 07:23:24,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-07 07:23:24,966 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2019-11-07 07:23:24,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-07 07:23:24,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-07 07:23:28,367 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-11-07 07:23:29,624 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 58 [2019-11-07 07:23:34,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-07 07:23:34,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-07 07:23:34,984 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:23:34,997 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:23:34,998 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:23:35,000 INFO L168 Benchmark]: Toolchain (without parser) took 17078.84 ms. Allocated memory was 146.3 MB in the beginning and 652.7 MB in the end (delta: 506.5 MB). Free memory was 97.7 MB in the beginning and 82.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 521.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,001 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1219.95 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 97.3 MB in the beginning and 125.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,006 INFO L168 Benchmark]: Boogie Preprocessor took 216.36 ms. Allocated memory is still 206.6 MB. Free memory was 125.4 MB in the beginning and 113.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,007 INFO L168 Benchmark]: RCFGBuilder took 3230.00 ms. Allocated memory was 206.6 MB in the beginning and 304.1 MB in the end (delta: 97.5 MB). Free memory was 113.8 MB in the beginning and 230.9 MB in the end (delta: -117.1 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,008 INFO L168 Benchmark]: Sifa took 12408.50 ms. Allocated memory was 304.1 MB in the beginning and 652.7 MB in the end (delta: 348.7 MB). Free memory was 230.9 MB in the beginning and 82.8 MB in the end (delta: 148.1 MB). Peak memory consumption was 496.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:23:35,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1219.95 ms. Allocated memory was 146.3 MB in the beginning and 206.6 MB in the end (delta: 60.3 MB). Free memory was 97.3 MB in the beginning and 125.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.36 ms. Allocated memory is still 206.6 MB. Free memory was 125.4 MB in the beginning and 113.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3230.00 ms. Allocated memory was 206.6 MB in the beginning and 304.1 MB in the end (delta: 97.5 MB). Free memory was 113.8 MB in the beginning and 230.9 MB in the end (delta: -117.1 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * Sifa took 12408.50 ms. Allocated memory was 304.1 MB in the beginning and 652.7 MB in the end (delta: 348.7 MB). Free memory was 230.9 MB in the beginning and 82.8 MB in the end (delta: 148.1 MB). Peak memory consumption was 496.8 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]: 12347, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 321, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 103, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 298, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 450, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 140, DOMAIN_JOIN_TIME[ms]: 2443, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 8700, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 186, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 256, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 228, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 227, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5040, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5039, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 19, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 130, DAG_COMPRESSION_PROCESSED_NODES: 2360, DAG_COMPRESSION_RETAINED_NODES: 315 - UnprovableResult [Line: 1500]: 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 21811#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= 0 ~a3~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a18~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (= ~a26~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (= ~a18~0 1) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (not (= 1 ~a6~0)) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...