/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/Problem01_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:19:27,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:19:27,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:19:27,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:19:27,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:19:27,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:19:27,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:19:27,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:19:27,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:19:27,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:19:27,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:19:27,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:19:27,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:19:27,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:19:27,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:19:27,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:19:27,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:19:27,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:19:27,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:19:27,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:19:27,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:19:27,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:19:27,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:19:27,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:19:27,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:19:27,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:19:27,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:19:27,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:19:27,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:19:27,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:19:27,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:19:27,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:19:27,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:19:27,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:19:27,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:19:27,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:19:27,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:19:27,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:19:27,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:19:27,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:19:27,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:19:27,549 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 07:19:27,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:19:27,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:19:27,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:19:27,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:19:27,564 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:19:27,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:19:27,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:19:27,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:19:27,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:19:27,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:19:27,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:19:27,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:19:27,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:19:27,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:19:27,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:19:27,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:19:27,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:19:27,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:19:27,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:19:27,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:19:27,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:19:27,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:19:27,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:19:27,568 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 07:19:27,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:19:27,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:19:27,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:19:27,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:19:27,846 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:19:27,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-11-07 07:19:27,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072566987/810cd5d66a7541f5a3626c3a8f60e524/FLAG728834cb7 [2019-11-07 07:19:28,488 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:19:28,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-11-07 07:19:28,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072566987/810cd5d66a7541f5a3626c3a8f60e524/FLAG728834cb7 [2019-11-07 07:19:28,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072566987/810cd5d66a7541f5a3626c3a8f60e524 [2019-11-07 07:19:28,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:19:28,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:19:28,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:19:28,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:19:28,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:19:28,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:28" (1/1) ... [2019-11-07 07:19:28,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77287e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:28, skipping insertion in model container [2019-11-07 07:19:28,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:28" (1/1) ... [2019-11-07 07:19:28,769 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:19:28,824 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:19:29,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:19:29,279 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:19:29,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:19:29,571 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:19:29,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29 WrapperNode [2019-11-07 07:19:29,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:19:29,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:19:29,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:19:29,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:19:29,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (1/1) ... [2019-11-07 07:19:29,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:19:29,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:19:29,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:19:29,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:19:29,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:29" (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 07:19:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:19:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:19:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:19:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:19:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:19:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:19:31,784 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:19:31,784 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:19:31,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:31 BoogieIcfgContainer [2019-11-07 07:19:31,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:19:31,786 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:19:31,786 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:19:31,787 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:19:31,788 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:31" (1/1) ... [2019-11-07 07:19:31,788 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 07:19:31,813 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:19:31,813 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:19:31,823 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:19:31,831 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:19:31,833 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:19:31,923 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 66 for LOIs [2019-11-07 07:19:32,623 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 07:19:32,681 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8180 conjuctions. This might take some time... [2019-11-07 07:19:33,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 07:19:33,678 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8180 conjuctions. This might take some time... [2019-11-07 07:19:34,751 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 07:19:34,783 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8180 conjuctions. This might take some time... [2019-11-07 07:19:36,027 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2019-11-07 07:19:36,028 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-07 07:19:36,037 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-11-07 07:19:37,293 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 98 for LOIs [2019-11-07 07:19:41,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 07:19:41,643 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15618 conjuctions. This might take some time... [2019-11-07 07:19:47,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-07 07:19:47,587 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15618 conjuctions. This might take some time... [2019-11-07 07:19:53,800 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:19:53,815 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:19:53,816 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:19:53,818 INFO L168 Benchmark]: Toolchain (without parser) took 25068.67 ms. Allocated memory was 139.5 MB in the beginning and 866.1 MB in the end (delta: 726.7 MB). Free memory was 103.3 MB in the beginning and 311.9 MB in the end (delta: -208.6 MB). Peak memory consumption was 518.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,819 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.55 ms. Allocated memory was 139.5 MB in the beginning and 207.1 MB in the end (delta: 67.6 MB). Free memory was 103.1 MB in the beginning and 172.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,821 INFO L168 Benchmark]: Boogie Preprocessor took 149.46 ms. Allocated memory is still 207.1 MB. Free memory was 172.2 MB in the beginning and 166.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,822 INFO L168 Benchmark]: RCFGBuilder took 2063.02 ms. Allocated memory was 207.1 MB in the beginning and 250.6 MB in the end (delta: 43.5 MB). Free memory was 166.6 MB in the beginning and 204.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,824 INFO L168 Benchmark]: Sifa took 22029.71 ms. Allocated memory was 250.6 MB in the beginning and 866.1 MB in the end (delta: 615.5 MB). Free memory was 204.8 MB in the beginning and 311.9 MB in the end (delta: -107.2 MB). Peak memory consumption was 508.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:19:53,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.55 ms. Allocated memory was 139.5 MB in the beginning and 207.1 MB in the end (delta: 67.6 MB). Free memory was 103.1 MB in the beginning and 172.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.46 ms. Allocated memory is still 207.1 MB. Free memory was 172.2 MB in the beginning and 166.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2063.02 ms. Allocated memory was 207.1 MB in the beginning and 250.6 MB in the end (delta: 43.5 MB). Free memory was 166.6 MB in the beginning and 204.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. * Sifa took 22029.71 ms. Allocated memory was 250.6 MB in the beginning and 866.1 MB in the end (delta: 615.5 MB). Free memory was 204.8 MB in the beginning and 311.9 MB in the end (delta: -107.2 MB). Peak memory consumption was 508.4 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]: 21988, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 67, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME[ms]: 211, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 57, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 210, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 32, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 230, FLUID_YES_ANSWERS: 132, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 1102, DOMAIN_ALPHA_APPLICATIONS: 132, DOMAIN_ALPHA_TIME[ms]: 20242, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 79, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 104, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5356, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5355, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5232, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5231, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 1190, DAG_COMPRESSION_RETAINED_NODES: 167 - UnprovableResult [Line: 407]: 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 13329#(and (= 1 ~a7~0) (not (= ~a20~0 1)) (or (and (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 6 |calculate_output_#in~input|) (<= ~a12~0 8) (<= 6 calculate_output_~input) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) (and (<= calculate_output_~input 4) (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= ~a12~0 8) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= 4 calculate_output_~input) (<= 2 ~b~0) (<= ~f~0 6) (<= |calculate_output_#in~input| 4) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 4 |calculate_output_#in~input|) (<= 24 ~x~0) (<= ~e~0 5)) (and (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= calculate_output_~input 5) (<= 6 ~f~0) (<= 5 |calculate_output_#in~input|) (<= ~a12~0 8) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 5 calculate_output_~input) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= |calculate_output_#in~input| 5) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) (and (<= |calculate_output_#in~input| 2) (<= calculate_output_~input 2) (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= ~a12~0 8) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~w~0 23) (<= 2 |calculate_output_#in~input|) (<= 2 calculate_output_~input) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) (and (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= ~a12~0 8) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= |calculate_output_#in~input| 3) (<= ~w~0 23) (<= 3 calculate_output_~input) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= 2 ~b~0) (<= ~f~0 6) (<= calculate_output_~input 3) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 3 |calculate_output_#in~input|) (<= 24 ~x~0) (<= ~e~0 5)) (and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a12~0 8) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= |calculate_output_#in~input| 1) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 1) (<= 8 ~a12~0) (<= 2 ~b~0) (<= ~f~0 6) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5))) (= ~a12~0 8) (= ~a21~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...