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 IntervalDomain --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-efa34d5 [2019-09-17 10:38:09,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:38:09,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:38:09,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:38:09,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:38:09,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:38:09,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:38:09,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:38:09,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:38:09,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:38:09,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:38:09,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:38:09,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:38:09,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:38:09,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:38:09,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:38:09,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:38:09,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:38:09,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:38:09,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:38:09,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:38:09,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:38:09,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:38:09,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:38:09,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:38:09,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:38:09,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:38:09,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:38:09,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:38:09,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:38:09,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:38:09,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:38:09,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:38:09,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:38:09,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:38:09,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:38:09,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:38:09,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:38:09,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:38:09,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:38:09,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:38:09,857 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 [2019-09-17 10:38:09,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:38:09,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:38:09,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:38:09,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:38:09,874 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:38:09,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:38:09,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:38:09,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:38:09,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:38:09,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:38:09,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:38:09,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:38:09,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:38:09,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:38:09,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:38:09,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:38:09,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:38:09,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:38:09,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:38:09,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:38:09,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:38:09,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:38:09,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:38:09,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-17 10:38:09,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:38:09,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:38:09,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:38:09,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:38:09,938 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:38:09,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-17 10:38:10,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98c3c57f/f007c23555eb4e9aa8c2c4431f0012bc/FLAGfe938a69d [2019-09-17 10:38:10,451 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:38:10,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-17 10:38:10,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98c3c57f/f007c23555eb4e9aa8c2c4431f0012bc/FLAGfe938a69d [2019-09-17 10:38:10,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98c3c57f/f007c23555eb4e9aa8c2c4431f0012bc [2019-09-17 10:38:10,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:38:10,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:38:10,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:38:10,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:38:10,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:38:10,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:38:10" (1/1) ... [2019-09-17 10:38:10,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b89bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:10, skipping insertion in model container [2019-09-17 10:38:10,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:38:10" (1/1) ... [2019-09-17 10:38:10,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:38:10,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:38:11,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:38:11,206 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:38:11,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:38:11,360 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:38:11,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11 WrapperNode [2019-09-17 10:38:11,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:38:11,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:38:11,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:38:11,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:38:11,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (1/1) ... [2019-09-17 10:38:11,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:38:11,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:38:11,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:38:11,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:38:11,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:11" (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 [2019-09-17 10:38:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:38:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:38:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 10:38:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-17 10:38:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-17 10:38:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-17 10:38:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-17 10:38:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-17 10:38:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 10:38:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 10:38:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 10:38:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 10:38:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 10:38:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 10:38:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:38:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:38:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:38:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 10:38:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-17 10:38:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-17 10:38:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-17 10:38:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-17 10:38:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 10:38:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:38:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:38:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:38:12,050 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:38:12,051 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 10:38:12,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:38:12 BoogieIcfgContainer [2019-09-17 10:38:12,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:38:12,054 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:38:12,054 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:38:12,054 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:38:12,056 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:38:12" (1/1) ... [2019-09-17 10:38:12,057 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 10:38:12,090 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:38:12,090 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:38:12,103 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:38:12,113 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:38:12,115 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:38:12,325 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-17 10:38:12,343 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 77 for LOIs [2019-09-17 10:38:12,472 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 75 for LOIs [2019-09-17 10:38:17,552 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 10:38:17,879 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-17 10:38:17,885 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 78 for LOIs [2019-09-17 10:38:18,906 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-17 10:38:21,573 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-17 10:38:21,695 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-17 10:38:22,018 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-17 10:38:22,065 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 33 for LOIs [2019-09-17 10:38:22,547 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 8 for LOIs [2019-09-17 10:38:22,557 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:38:22,557 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:38:22,559 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1722#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0)) [2019-09-17 10:38:22,576 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:38:22,576 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:38:22,579 INFO L168 Benchmark]: Toolchain (without parser) took 11703.08 ms. Allocated memory was 136.3 MB in the beginning and 385.4 MB in the end (delta: 249.0 MB). Free memory was 88.0 MB in the beginning and 219.6 MB in the end (delta: -131.6 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,581 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.79 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 87.8 MB in the beginning and 177.1 MB in the end (delta: -89.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,583 INFO L168 Benchmark]: Boogie Preprocessor took 47.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,585 INFO L168 Benchmark]: RCFGBuilder took 644.56 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 138.2 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,591 INFO L168 Benchmark]: Sifa took 10522.11 ms. Allocated memory was 200.3 MB in the beginning and 385.4 MB in the end (delta: 185.1 MB). Free memory was 138.2 MB in the beginning and 219.6 MB in the end (delta: -81.5 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:38:22,604 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 136.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 484.79 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 87.8 MB in the beginning and 177.1 MB in the end (delta: -89.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.10 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 644.56 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 138.2 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * Sifa took 10522.11 ms. Allocated memory was 200.3 MB in the beginning and 385.4 MB in the end (delta: 185.1 MB). Free memory was 138.2 MB in the beginning and 219.6 MB in the end (delta: -81.5 MB). Peak memory consumption was 103.6 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]: 10470, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1245, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 893, TOOLS_POST_TIME[ms]: 261, TOOLS_POST_CALL_APPLICATIONS: 264, TOOLS_POST_CALL_TIME[ms]: 377, TOOLS_POST_RETURN_APPLICATIONS: 257, TOOLS_POST_RETURN_TIME[ms]: 152, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1389, TOOLS_QUANTIFIERELIM_TIME[ms]: 525, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 1342, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 284, DOMAIN_JOIN_TIME[ms]: 9045, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 22, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 97, DOMAIN_ISSUBSETEQ_TIME[ms]: 66, DOMAIN_ISBOTTOM_APPLICATIONS: 169, DOMAIN_ISBOTTOM_TIME[ms]: 269, LOOP_SUMMARIZER_APPLICATIONS: 75, LOOP_SUMMARIZER_CACHE_MISSES: 75, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8165, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8164, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 97, CALL_SUMMARIZER_APPLICATIONS: 257, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4971, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4970, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 73, 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 1722#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...