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/systemc/toy.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:08:18,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:08:18,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:08:19,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:08:19,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:08:19,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:08:19,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:08:19,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:08:19,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:08:19,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:08:19,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:08:19,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:08:19,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:08:19,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:08:19,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:08:19,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:08:19,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:08:19,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:08:19,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:08:19,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:08:19,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:08:19,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:08:19,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:08:19,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:08:19,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:08:19,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:08:19,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:08:19,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:08:19,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:08:19,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:08:19,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:08:19,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:08:19,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:08:19,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:08:19,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:08:19,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:08:19,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:08:19,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:08:19,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:08:19,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:08:19,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:08:19,070 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 [2019-10-15 07:08:19,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:08:19,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:08:19,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:08:19,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:08:19,107 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:08:19,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:08:19,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:08:19,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:08:19,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:08:19,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:08:19,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:08:19,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:08:19,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:08:19,109 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:08:19,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:08:19,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:08:19,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:08:19,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:08:19,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:08:19,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:08:19,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:08:19,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:08:19,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:08:19,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:08:19,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:08:19,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:08:19,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:08:19,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:08:19,113 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 [2019-10-15 07:08:19,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:08:19,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:08:19,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:08:19,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:08:19,427 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:08:19,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy.cil.c [2019-10-15 07:08:19,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0ac82e1/ecb534bee5344617925a11fa170159e5/FLAG4ac730c7a [2019-10-15 07:08:19,983 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:08:19,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy.cil.c [2019-10-15 07:08:19,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0ac82e1/ecb534bee5344617925a11fa170159e5/FLAG4ac730c7a [2019-10-15 07:08:20,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0ac82e1/ecb534bee5344617925a11fa170159e5 [2019-10-15 07:08:20,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:08:20,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:08:20,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:20,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:08:20,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:08:20,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd445f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20, skipping insertion in model container [2019-10-15 07:08:20,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:08:20,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:08:20,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:20,631 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:08:20,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:20,790 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:08:20,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20 WrapperNode [2019-10-15 07:08:20,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:20,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:08:20,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:08:20,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:08:20,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (1/1) ... [2019-10-15 07:08:20,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:08:20,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:08:20,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:08:20,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:08:20,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:20" (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 [2019-10-15 07:08:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:08:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:08:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-15 07:08:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:08:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:08:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:08:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:08:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:08:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:08:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:08:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:08:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:08:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:08:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:08:22,406 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:08:22,407 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 07:08:22,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:22 BoogieIcfgContainer [2019-10-15 07:08:22,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:08:22,410 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:08:22,410 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:08:22,411 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:08:22,412 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:22" (1/1) ... [2019-10-15 07:08:22,412 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 [2019-10-15 07:08:22,458 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:08:22,459 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:08:22,473 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:08:22,482 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:08:22,484 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:08:22,842 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 148 for LOIs [2019-10-15 07:08:22,864 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 114 for LOIs [2019-10-15 07:08:22,934 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 07:08:24,533 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 07:08:26,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 07:08:44,160 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 116 [2019-10-15 07:08:44,758 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-15 07:08:45,311 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 106 [2019-10-15 07:08:46,852 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-15 07:08:48,689 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-15 07:08:49,814 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 133 for LOIs