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_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:19:22,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:19:22,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:19:22,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:19:22,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:19:22,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:19:22,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:19:22,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:19:22,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:19:22,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:19:22,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:19:22,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:19:22,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:19:22,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:19:22,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:19:22,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:19:22,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:19:22,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:19:22,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:19:22,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:19:22,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:19:22,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:19:22,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:19:22,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:19:22,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:19:22,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:19:22,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:19:22,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:19:22,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:19:22,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:19:22,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:19:22,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:19:22,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:19:22,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:19:22,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:19:22,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:19:22,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:19:22,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:19:22,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:19:22,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:19:22,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:19:22,690 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 [2019-09-21 09:19:22,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:19:22,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:19:22,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:19:22,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:19:22,706 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:19:22,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:19:22,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:19:22,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:19:22,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:19:22,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:19:22,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:19:22,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:19:22,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:19:22,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:19:22,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:19:22,709 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:19:22,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:19:22,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:19:22,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:19:22,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:19:22,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:19:22,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:19:22,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:19:22,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:19:22,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:19:22,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:19:22,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:19:22,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:19:22,711 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_QUICK [2019-09-21 09:19:22,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:19:22,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:19:22,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:19:22,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:19:22,761 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:19:22,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-21 09:19:22,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b24270a/58064ac7ff784e27ace5fbfd66d34394/FLAGdcb877728 [2019-09-21 09:19:23,247 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:19:23,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-21 09:19:23,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b24270a/58064ac7ff784e27ace5fbfd66d34394/FLAGdcb877728 [2019-09-21 09:19:23,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b24270a/58064ac7ff784e27ace5fbfd66d34394 [2019-09-21 09:19:23,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:19:23,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:19:23,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:23,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:19:23,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:19:23,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f51fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23, skipping insertion in model container [2019-09-21 09:19:23,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:19:23,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:19:23,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:23,881 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:19:24,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:24,034 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:19:24,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24 WrapperNode [2019-09-21 09:19:24,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:24,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:19:24,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:19:24,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:19:24,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:19:24,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:19:24,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:19:24,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:19:24,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:24" (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 [2019-09-21 09:19:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:19:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:19:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 09:19:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-21 09:19:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-21 09:19:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-21 09:19:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-21 09:19:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-21 09:19:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-21 09:19:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-21 09:19:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 09:19:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 09:19:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-21 09:19:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-21 09:19:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-21 09:19:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 09:19:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 09:19:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 09:19:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 09:19:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:19:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-21 09:19:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-21 09:19:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-21 09:19:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-21 09:19:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 09:19:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 09:19:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 09:19:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 09:19:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:19:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:19:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:19:25,008 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:19:25,008 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 09:19:25,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:25 BoogieIcfgContainer [2019-09-21 09:19:25,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:19:25,011 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:19:25,011 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:19:25,011 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:19:25,013 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:25" (1/1) ... [2019-09-21 09:19:25,013 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:19:25,038 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:19:25,039 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:19:25,048 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:19:25,058 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:19:25,060 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:19:25,253 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-09-21 09:19:25,318 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 85 for LOIs [2019-09-21 09:19:26,158 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 66 for LOIs [2019-09-21 09:19:26,278 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 30 for LOIs [2019-09-21 09:19:26,336 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 8 for LOIs [2019-09-21 09:19:26,337 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:19:26,338 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:19:26,340 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 433#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0)) [2019-09-21 09:19:26,351 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:19:26,352 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:19:26,354 INFO L168 Benchmark]: Toolchain (without parser) took 2757.65 ms. Allocated memory was 139.5 MB in the beginning and 223.3 MB in the end (delta: 83.9 MB). Free memory was 86.9 MB in the beginning and 120.8 MB in the end (delta: -33.9 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,355 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.68 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.7 MB in the beginning and 175.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,357 INFO L168 Benchmark]: Boogie Preprocessor took 44.28 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 173.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,358 INFO L168 Benchmark]: RCFGBuilder took 929.98 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 124.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,359 INFO L168 Benchmark]: Sifa took 1341.16 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 124.4 MB in the beginning and 120.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 438.68 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.7 MB in the beginning and 175.8 MB in the end (delta: -89.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.28 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 173.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 929.98 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 124.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Sifa took 1341.16 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 124.4 MB in the beginning and 120.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 27.7 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]: 1302, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 295, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 206, TOOLS_POST_TIME[ms]: 81, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 284, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_APPLICATIONS: 333, TOOLS_QUANTIFIERELIM_TIME[ms]: 331, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 305, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 492, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME[ms]: 111, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 483, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 482, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 663, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 662, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 213 - UnprovableResult [Line: 10]: 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 433#(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...