/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/Problem04_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:24:18,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:24:18,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:24:18,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:24:18,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:24:18,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:24:18,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:24:18,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:24:18,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:24:18,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:24:18,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:24:18,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:24:18,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:24:18,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:24:18,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:24:18,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:24:18,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:24:18,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:24:18,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:24:18,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:24:18,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:24:18,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:24:18,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:24:18,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:24:18,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:24:18,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:24:18,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:24:18,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:24:18,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:24:18,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:24:18,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:24:18,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:24:18,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:24:18,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:24:18,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:24:18,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:24:18,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:24:18,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:24:18,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:24:18,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:24:18,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:24:18,127 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 07:24:18,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:24:18,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:24:18,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:24:18,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:24:18,165 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:24:18,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:24:18,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:24:18,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:24:18,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:24:18,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:24:18,167 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:24:18,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:24:18,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:24:18,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:24:18,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:24:18,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:24:18,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:24:18,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:24:18,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:24:18,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:24:18,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:24:18,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:24:18,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:24:18,169 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 07:24:18,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:24:18,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:24:18,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:24:18,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:24:18,464 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:24:18,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label22.c [2019-11-07 07:24:18,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c4ba62a/4fdeafd7b8c94f9e809af973c7f70dd0/FLAGf1a34d720 [2019-11-07 07:24:19,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:24:19,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label22.c [2019-11-07 07:24:19,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c4ba62a/4fdeafd7b8c94f9e809af973c7f70dd0/FLAGf1a34d720 [2019-11-07 07:24:19,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c4ba62a/4fdeafd7b8c94f9e809af973c7f70dd0 [2019-11-07 07:24:19,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:24:19,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:24:19,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:24:19,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:24:19,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:24:19,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:19" (1/1) ... [2019-11-07 07:24:19,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c3c471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:19, skipping insertion in model container [2019-11-07 07:24:19,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:19" (1/1) ... [2019-11-07 07:24:19,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:24:19,537 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:24:21,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:24:21,541 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:24:22,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:24:22,248 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:24:22,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22 WrapperNode [2019-11-07 07:24:22,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:24:22,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:24:22,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:24:22,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:24:22,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (1/1) ... [2019-11-07 07:24:22,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:24:22,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:24:22,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:24:22,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:24:22,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:22" (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 07:24:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:24:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:24:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:24:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 07:24:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 07:24:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 07:24:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:24:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:24:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 07:24:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 07:24:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 07:24:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:24:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:24:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:24:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:24:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:24:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:24:28,065 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:24:28,065 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:24:28,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:28 BoogieIcfgContainer [2019-11-07 07:24:28,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:24:28,072 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:24:28,072 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:24:28,072 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:24:28,073 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:28" (1/1) ... [2019-11-07 07:24:28,074 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 07:24:28,115 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:24:28,115 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:24:28,141 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:24:28,149 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:24:28,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:24:28,214 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 69 for LOIs [2019-11-07 07:24:32,752 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-07 07:24:32,942 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8719 conjuctions. This might take some time... [2019-11-07 07:24:33,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-07 07:24:33,209 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8719 conjuctions. This might take some time... [2019-11-07 07:24:33,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-07 07:24:33,439 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8719 conjuctions. This might take some time... [2019-11-07 07:24:40,436 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 76 for LOIs [2019-11-07 07:24:43,144 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-11-07 07:24:46,164 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-11-07 07:24:48,675 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-11-07 07:24:49,640 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-07 07:24:49,834 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8719 conjuctions. This might take some time... [2019-11-07 07:24:50,129 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-07 07:24:50,323 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8719 conjuctions. This might take some time... [2019-11-07 07:24:50,626 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:24:50,642 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:24:50,642 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:24:50,644 INFO L168 Benchmark]: Toolchain (without parser) took 31272.77 ms. Allocated memory was 137.9 MB in the beginning and 1.0 GB in the end (delta: 885.0 MB). Free memory was 88.0 MB in the beginning and 318.0 MB in the end (delta: -230.0 MB). Peak memory consumption was 655.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,645 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2875.96 ms. Allocated memory was 137.9 MB in the beginning and 258.5 MB in the end (delta: 120.6 MB). Free memory was 87.8 MB in the beginning and 140.2 MB in the end (delta: -52.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,648 INFO L168 Benchmark]: Boogie Preprocessor took 318.16 ms. Allocated memory is still 258.5 MB. Free memory was 140.2 MB in the beginning and 109.5 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,649 INFO L168 Benchmark]: RCFGBuilder took 5502.90 ms. Allocated memory was 258.5 MB in the beginning and 406.3 MB in the end (delta: 147.8 MB). Free memory was 109.5 MB in the beginning and 144.2 MB in the end (delta: -34.7 MB). Peak memory consumption was 113.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,650 INFO L168 Benchmark]: Sifa took 22570.36 ms. Allocated memory was 406.3 MB in the beginning and 1.0 GB in the end (delta: 616.6 MB). Free memory was 144.2 MB in the beginning and 318.0 MB in the end (delta: -173.8 MB). Peak memory consumption was 442.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:50,654 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2875.96 ms. Allocated memory was 137.9 MB in the beginning and 258.5 MB in the end (delta: 120.6 MB). Free memory was 87.8 MB in the beginning and 140.2 MB in the end (delta: -52.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 318.16 ms. Allocated memory is still 258.5 MB. Free memory was 140.2 MB in the beginning and 109.5 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5502.90 ms. Allocated memory was 258.5 MB in the beginning and 406.3 MB in the end (delta: 147.8 MB). Free memory was 109.5 MB in the beginning and 144.2 MB in the end (delta: -34.7 MB). Peak memory consumption was 113.2 MB. Max. memory is 7.1 GB. * Sifa took 22570.36 ms. Allocated memory was 406.3 MB in the beginning and 1.0 GB in the end (delta: 616.6 MB). Free memory was 144.2 MB in the beginning and 318.0 MB in the end (delta: -173.8 MB). Peak memory consumption was 442.8 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]: 22511, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 751, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 845, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 572, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 40, FLUID_QUERIES: 2303, FLUID_YES_ANSWERS: 1576, DOMAIN_JOIN_APPLICATIONS: 751, DOMAIN_JOIN_TIME[ms]: 4982, DOMAIN_ALPHA_APPLICATIONS: 1576, DOMAIN_ALPHA_TIME[ms]: 14035, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 82, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 1093, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12211, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12210, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11795, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11794, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 107, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 988, DAG_COMPRESSION_PROCESSED_NODES: 37637, DAG_COMPRESSION_RETAINED_NODES: 1562 - UnprovableResult [Line: 4796]: 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 63979#(and (= ~a14~0 18) (<= ~b~0 2) (<= 21 ~u~0) (= ~a28~0 16) (<= ~x~0 24) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= 1 ~a~0) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a26~0 19) (<= ~w~0 23) (= 16 ~a4~0) (<= 5 ~e~0) (<= ~a~0 1) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ~a1~0 1) (<= 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...