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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:31:34,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:31:34,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:31:34,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:31:34,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:31:34,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:31:34,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:31:34,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:31:34,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:31:34,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:31:34,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:31:34,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:31:34,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:31:34,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:31:34,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:31:34,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:31:34,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:31:34,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:31:34,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:31:34,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:31:34,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:31:34,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:31:34,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:31:34,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:31:34,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:31:34,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:31:34,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:31:34,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:31:34,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:31:34,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:31:34,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:31:34,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:31:34,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:31:34,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:31:34,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:31:34,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:31:34,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:31:34,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:31:34,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:31:34,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:31:34,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:31:34,117 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 [2019-09-25 16:31:34,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:31:34,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:31:34,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:31:34,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:31:34,135 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:31:34,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:31:34,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:31:34,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:31:34,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:31:34,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:31:34,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:31:34,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:31:34,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:31:34,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:31:34,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:31:34,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:31:34,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:31:34,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:31:34,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:31:34,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:31:34,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:31:34,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:31:34,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:31:34,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:31:34,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:31:34,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:31:34,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:31:34,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:31:34,140 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:31:34,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:31:34,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:31:34,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:31:34,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:31:34,199 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:31:34,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-25 16:31:34,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9114a1e7/94d5f6cd45c84836ad5949066242c3ba/FLAGa9043da3b [2019-09-25 16:31:34,771 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:31:34,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-25 16:31:34,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9114a1e7/94d5f6cd45c84836ad5949066242c3ba/FLAGa9043da3b [2019-09-25 16:31:35,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9114a1e7/94d5f6cd45c84836ad5949066242c3ba [2019-09-25 16:31:35,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:31:35,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:31:35,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:35,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:31:35,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:31:35,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8bf277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35, skipping insertion in model container [2019-09-25 16:31:35,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,157 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:31:35,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:31:35,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:35,442 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:31:35,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:35,610 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:31:35,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35 WrapperNode [2019-09-25 16:31:35,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:35,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:31:35,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:31:35,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:31:35,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (1/1) ... [2019-09-25 16:31:35,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:31:35,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:31:35,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:31:35,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:31:35,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:35" (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 [2019-09-25 16:31:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:31:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:31:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 16:31:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-25 16:31:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-25 16:31:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 16:31:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 16:31:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 16:31:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 16:31:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:31:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:31:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:31:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-25 16:31:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 16:31:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 16:31:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 16:31:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 16:31:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 16:31:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 16:31:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:31:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:31:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:31:36,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:31:36,369 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 16:31:36,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:36 BoogieIcfgContainer [2019-09-25 16:31:36,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:31:36,371 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:31:36,371 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:31:36,372 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:31:36,374 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:36" (1/1) ... [2019-09-25 16:31:36,374 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 [2019-09-25 16:31:36,412 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:31:36,413 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:31:36,426 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:31:36,439 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:31:36,441 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:31:36,767 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 72 for LOIs [2019-09-25 16:31:36,858 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 70 for LOIs [2019-09-25 16:31:40,034 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 49 for LOIs [2019-09-25 16:31:41,973 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 35 for LOIs [2019-09-25 16:31:42,101 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 10 for LOIs [2019-09-25 16:31:42,103 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:31:42,103 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:31:42,105 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3986#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)) [2019-09-25 16:31:42,119 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:31:42,120 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:31:42,123 INFO L168 Benchmark]: Toolchain (without parser) took 6982.20 ms. Allocated memory was 130.5 MB in the beginning and 435.2 MB in the end (delta: 304.6 MB). Free memory was 86.2 MB in the beginning and 376.7 MB in the end (delta: -290.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:42,125 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:31:42,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.74 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 173.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:42,127 INFO L168 Benchmark]: Boogie Preprocessor took 47.27 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 171.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:42,128 INFO L168 Benchmark]: RCFGBuilder took 708.50 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 134.5 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:42,134 INFO L168 Benchmark]: Sifa took 5748.42 ms. Allocated memory was 198.7 MB in the beginning and 435.2 MB in the end (delta: 236.5 MB). Free memory was 134.5 MB in the beginning and 376.7 MB in the end (delta: -242.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 16:31:42,145 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 473.74 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 173.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.27 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 171.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 708.50 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 134.5 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Sifa took 5748.42 ms. Allocated memory was 198.7 MB in the beginning and 435.2 MB in the end (delta: 236.5 MB). Free memory was 134.5 MB in the beginning and 376.7 MB in the end (delta: -242.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 5693, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1727, DAG_INTERPRETER_EARLY_EXITS: 10, TOOLS_POST_APPLICATIONS: 1229, TOOLS_POST_TIME[ms]: 425, TOOLS_POST_CALL_APPLICATIONS: 368, TOOLS_POST_CALL_TIME[ms]: 523, TOOLS_POST_RETURN_APPLICATIONS: 361, TOOLS_POST_RETURN_TIME[ms]: 290, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1931, TOOLS_QUANTIFIERELIM_TIME[ms]: 852, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 38, FLUID_QUERIES: 1862, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 381, DOMAIN_JOIN_TIME[ms]: 3426, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 25, DOMAIN_WIDEN_TIME[ms]: 225, DOMAIN_ISSUBSETEQ_APPLICATIONS: 135, DOMAIN_ISSUBSETEQ_TIME[ms]: 144, DOMAIN_ISBOTTOM_APPLICATIONS: 235, DOMAIN_ISBOTTOM_TIME[ms]: 369, LOOP_SUMMARIZER_APPLICATIONS: 110, LOOP_SUMMARIZER_CACHE_MISSES: 110, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4502, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4498, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 135, CALL_SUMMARIZER_APPLICATIONS: 361, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3301, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3300, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 52, 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 3986#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (= ~p_dw_i~0 1) (= ~c_dr_i~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...