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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:23,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:23,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:23,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:23,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:23,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:23,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:23,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:23,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:23,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:23,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:23,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:23,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:23,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:23,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:23,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:23,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:23,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:23,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:23,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:23,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:23,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:23,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:23,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:23,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:23,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:23,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:23,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:23,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:23,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:23,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:23,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:23,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:23,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:23,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:23,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:23,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:23,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:23,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:23,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:23,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:23,904 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 [2019-09-20 14:25:23,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:23,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:23,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:23,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:23,927 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:23,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:23,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:23,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:23,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:23,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:23,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:23,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:23,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:23,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:23,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:23,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:23,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:23,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:23,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:23,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:23,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:23,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:23,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:23,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:23,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:23,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:23,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:23,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:23,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:25:23,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:24,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:24,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:24,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:24,012 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:24,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 14:25:24,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f993e0a/37314bd99378475f986698a9fe8a3ae4/FLAG448f8c0ea [2019-09-20 14:25:24,536 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:24,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 14:25:24,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f993e0a/37314bd99378475f986698a9fe8a3ae4/FLAG448f8c0ea [2019-09-20 14:25:24,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f993e0a/37314bd99378475f986698a9fe8a3ae4 [2019-09-20 14:25:24,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:24,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:24,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:24,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:24,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:24,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:24" (1/1) ... [2019-09-20 14:25:24,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219fad61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:24, skipping insertion in model container [2019-09-20 14:25:24,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:24" (1/1) ... [2019-09-20 14:25:24,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:24,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:25,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:25,126 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:25,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:25,282 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:25,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25 WrapperNode [2019-09-20 14:25:25,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:25,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:25,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:25,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:25,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:25,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:25,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:25,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:25,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:25" (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 [2019-09-20 14:25:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 14:25:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 14:25:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 14:25:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:25,970 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:25,971 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:25:25,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:25 BoogieIcfgContainer [2019-09-20 14:25:25,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:25,973 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:25,973 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:25,973 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:25,975 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:25" (1/1) ... [2019-09-20 14:25:25,975 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:25:26,003 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:26,004 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:26,023 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:26,035 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:26,037 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:26,268 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 14:25:26,359 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 14:25:27,195 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 14:25:29,691 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-09-20 14:25:31,910 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-09-20 14:25:32,007 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 14:25:32,552 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 14:25:32,771 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:33,426 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 14:25:33,658 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:33,914 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 14:25:34,220 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 14:25:34,430 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 14:25:34,895 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 14:25:35,114 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:35,467 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 14:25:35,639 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:36,034 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 14:25:36,226 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:36,727 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 14:25:36,966 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:37,450 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 14:25:37,686 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:38,245 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 14:25:38,408 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:39,068 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 14:25:39,221 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:39,373 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 14:25:40,162 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 14:25:40,401 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:25:40,753 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 14:25:40,947 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:41,479 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 14:25:41,715 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:42,123 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 14:25:42,297 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:42,739 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-20 14:25:42,952 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 14:25:43,371 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 14:25:43,540 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:43,927 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 14:25:44,099 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:44,385 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 14:25:44,765 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 14:25:44,993 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 14:25:45,607 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 14:25:45,781 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:25:46,117 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 14:25:46,292 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:46,676 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 14:25:46,855 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:47,369 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 14:25:47,603 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:48,076 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 14:25:48,308 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:48,843 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 14:25:49,003 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:49,393 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 14:25:49,555 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:25:49,699 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 14:25:50,241 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 14:25:50,467 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:25:50,831 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 14:25:50,998 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:51,227 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:51,449 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:25:52,192 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 14:25:52,496 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-20 14:25:52,600 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 46 for LOIs [2019-09-20 14:25:52,749 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 14:25:52,956 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 14:25:53,177 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 14:25:53,561 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-20 14:25:53,881 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 14:25:53,988 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 14:25:54,208 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 14:25:54,300 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 3 for LOIs [2019-09-20 14:25:54,304 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:25:54,304 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:25:54,307 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1386#(= 0 ~p_dw_st~0) [2019-09-20 14:25:54,319 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:25:54,319 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:25:54,321 INFO L168 Benchmark]: Toolchain (without parser) took 29430.64 ms. Allocated memory was 135.8 MB in the beginning and 583.5 MB in the end (delta: 447.7 MB). Free memory was 83.0 MB in the beginning and 159.8 MB in the end (delta: -76.8 MB). Peak memory consumption was 370.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,322 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 101.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.85 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.6 MB in the beginning and 174.2 MB in the end (delta: -91.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,323 INFO L168 Benchmark]: Boogie Preprocessor took 51.87 ms. Allocated memory is still 197.1 MB. Free memory was 174.2 MB in the beginning and 171.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,324 INFO L168 Benchmark]: RCFGBuilder took 637.13 ms. Allocated memory is still 197.1 MB. Free memory was 171.7 MB in the beginning and 134.6 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,325 INFO L168 Benchmark]: Sifa took 28346.30 ms. Allocated memory was 197.1 MB in the beginning and 583.5 MB in the end (delta: 386.4 MB). Free memory was 134.6 MB in the beginning and 169.4 MB in the end (delta: -34.8 MB). Peak memory consumption was 351.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:54,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 101.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 390.85 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.6 MB in the beginning and 174.2 MB in the end (delta: -91.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.87 ms. Allocated memory is still 197.1 MB. Free memory was 174.2 MB in the beginning and 171.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 637.13 ms. Allocated memory is still 197.1 MB. Free memory was 171.7 MB in the beginning and 134.6 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Sifa took 28346.30 ms. Allocated memory was 197.1 MB in the beginning and 583.5 MB in the end (delta: 386.4 MB). Free memory was 134.6 MB in the beginning and 169.4 MB in the end (delta: -34.8 MB). Peak memory consumption was 351.6 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]: 28303, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 925, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 643, TOOLS_POST_TIME[ms]: 231, TOOLS_POST_CALL_APPLICATIONS: 188, TOOLS_POST_CALL_TIME[ms]: 353, TOOLS_POST_RETURN_APPLICATIONS: 181, TOOLS_POST_RETURN_TIME[ms]: 162, TOOLS_QUANTIFIERELIM_APPLICATIONS: 938, TOOLS_QUANTIFIERELIM_TIME[ms]: 538, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 1006, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 181, DOMAIN_JOIN_TIME[ms]: 25778, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1146, DOMAIN_ISSUBSETEQ_APPLICATIONS: 81, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 153, DOMAIN_ISBOTTOM_TIME[ms]: 329, LOOP_SUMMARIZER_APPLICATIONS: 80, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22256, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 81, CALL_SUMMARIZER_APPLICATIONS: 181, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5506, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5503, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 77, DAG_COMPRESSION_PROCESSED_NODES: 853, DAG_COMPRESSION_RETAINED_NODES: 352 - UnprovableResult [Line: 9]: 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 1386#(= 0 ~p_dw_st~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...