/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_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:19:36,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:19:36,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:19:36,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:19:36,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:19:36,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:19:36,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:19:36,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:19:36,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:19:36,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:19:36,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:19:36,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:19:36,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:19:36,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:19:36,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:19:36,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:19:36,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:19:36,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:19:36,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:19:36,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:19:36,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:19:36,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:19:36,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:19:36,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:19:36,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:19:36,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:19:36,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:19:36,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:19:36,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:19:36,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:19:36,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:19:36,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:19:36,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:19:36,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:19:36,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:19:36,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:19:36,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:19:36,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:19:36,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:19:36,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:19:36,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:19:36,778 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 07:19:36,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:19:36,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:19:36,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:19:36,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:19:36,807 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:19:36,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:19:36,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:19:36,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:19:36,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:19:36,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:19:36,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:19:36,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:19:36,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:19:36,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:19:36,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:19:36,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:19:36,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:19:36,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:19:36,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:19:36,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:19:36,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:19:36,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:19:36,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:19:36,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:19:36,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:19:36,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:19:36,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:19:36,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:19:36,814 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 07:19:37,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:19:37,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:19:37,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:19:37,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:19:37,155 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:19:37,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label35.c [2019-11-07 07:19:37,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb481f11/d07b2d6ea1844fbda4cfbb5603e110dc/FLAGab188bc98 [2019-11-07 07:19:37,837 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:19:37,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label35.c [2019-11-07 07:19:37,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb481f11/d07b2d6ea1844fbda4cfbb5603e110dc/FLAGab188bc98 [2019-11-07 07:19:38,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb481f11/d07b2d6ea1844fbda4cfbb5603e110dc [2019-11-07 07:19:38,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:19:38,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:19:38,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:19:38,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:19:38,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:19:38,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bac13a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38, skipping insertion in model container [2019-11-07 07:19:38,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:19:38,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:19:38,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:19:38,666 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:19:38,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:19:38,786 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:19:38,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38 WrapperNode [2019-11-07 07:19:38,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:19:38,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:19:38,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:19:38,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:19:38,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (1/1) ... [2019-11-07 07:19:38,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:19:38,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:19:38,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:19:38,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:19:38,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:19:38" (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 07:19:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:19:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:19:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:19:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:19:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:19:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:19:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:19:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:19:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:19:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:19:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:19:40,837 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:19:40,837 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:19:40,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:40 BoogieIcfgContainer [2019-11-07 07:19:40,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:19:40,839 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:19:40,839 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:19:40,840 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:19:40,841 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:40" (1/1) ... [2019-11-07 07:19:40,842 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 07:19:40,871 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:19:40,871 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:19:40,883 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:19:40,891 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:19:40,893 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:19:40,983 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 66 for LOIs [2019-11-07 07:19:41,698 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 07:19:41,939 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 27955 conjuctions. This might take some time... [2019-11-07 07:19:45,853 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 07:19:46,049 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 27955 conjuctions. This might take some time... [2019-11-07 07:19:49,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 07:19:49,927 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 27955 conjuctions. This might take some time... [2019-11-07 07:19:53,240 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-11-07 07:19:53,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-07 07:19:53,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-07 07:19:54,263 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 98 for LOIs [2019-11-07 07:19:58,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 07:19:59,046 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 60000 conjuctions. This might take some time... [2019-11-07 07:20:21,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 07:20:21,927 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 60000 conjuctions. This might take some time...