java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 03:02:54,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 03:02:54,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 03:02:54,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 03:02:54,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 03:02:54,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 03:02:54,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 03:02:54,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 03:02:54,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 03:02:54,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 03:02:54,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 03:02:54,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 03:02:54,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 03:02:54,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 03:02:54,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 03:02:54,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 03:02:54,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 03:02:54,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 03:02:54,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 03:02:54,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 03:02:54,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 03:02:54,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 03:02:54,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 03:02:54,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 03:02:54,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 03:02:54,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 03:02:54,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 03:02:54,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 03:02:54,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 03:02:54,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 03:02:54,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 03:02:54,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 03:02:54,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 03:02:54,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 03:02:54,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 03:02:54,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 03:02:54,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 03:02:54,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 03:02:54,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 03:02:54,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 03:02:54,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 03:02:54,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 03:02:54,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 03:02:54,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 03:02:54,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 03:02:54,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 03:02:54,144 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 03:02:54,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 03:02:54,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 03:02:54,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 03:02:54,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 03:02:54,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 03:02:54,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 03:02:54,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 03:02:54,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 03:02:54,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 03:02:54,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 03:02:54,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 03:02:54,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 03:02:54,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 03:02:54,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 03:02:54,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 03:02:54,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 03:02:54,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 03:02:54,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 03:02:54,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 03:02:54,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 03:02:54,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 03:02:54,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 03:02:54,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 03:02:54,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 03:02:54,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 03:02:54,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 03:02:54,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 03:02:54,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 03:02:54,427 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 03:02:54,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-10-14 03:02:54,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe0cb262/01810e1992bf4ab192660012ad4f8862/FLAG2de91ee42 [2019-10-14 03:02:54,994 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 03:02:54,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-10-14 03:02:55,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe0cb262/01810e1992bf4ab192660012ad4f8862/FLAG2de91ee42 [2019-10-14 03:02:55,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe0cb262/01810e1992bf4ab192660012ad4f8862 [2019-10-14 03:02:55,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 03:02:55,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 03:02:55,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 03:02:55,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 03:02:55,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 03:02:55,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dc686a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55, skipping insertion in model container [2019-10-14 03:02:55,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 03:02:55,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 03:02:55,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:02:55,594 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 03:02:55,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:02:55,746 INFO L192 MainTranslator]: Completed translation [2019-10-14 03:02:55,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55 WrapperNode [2019-10-14 03:02:55,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 03:02:55,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 03:02:55,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 03:02:55,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 03:02:55,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... [2019-10-14 03:02:55,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 03:02:55,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 03:02:55,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 03:02:55,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 03:02:55,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 03:02:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 03:02:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 03:02:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-14 03:02:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-10-14 03:02:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-10-14 03:02:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-10-14 03:02:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-10-14 03:02:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-10-14 03:02:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-10-14 03:02:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-14 03:02:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-14 03:02:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-14 03:02:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-14 03:02:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-14 03:02:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-14 03:02:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-14 03:02:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-14 03:02:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-14 03:02:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-14 03:02:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 03:02:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 03:02:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 03:02:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-14 03:02:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-10-14 03:02:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-14 03:02:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-14 03:02:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-14 03:02:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-14 03:02:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-14 03:02:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 03:02:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 03:02:56,619 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 03:02:56,619 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 03:02:56,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:02:56 BoogieIcfgContainer [2019-10-14 03:02:56,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 03:02:56,622 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 03:02:56,622 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 03:02:56,622 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 03:02:56,623 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:02:56" (1/1) ... [2019-10-14 03:02:56,624 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 03:02:56,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 03:02:56,657 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 03:02:56,672 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 03:02:56,683 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 03:02:56,685 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 03:02:57,018 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-10-14 03:02:57,113 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-10-14 03:02:58,281 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 46 for LOIs [2019-10-14 03:02:58,589 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 50 for LOIs [2019-10-14 03:02:58,745 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 10 for LOIs [2019-10-14 03:02:58,748 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 03:02:58,748 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 03:02:58,750 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 887#(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)) [2019-10-14 03:02:58,765 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 03:02:58,765 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 03:02:58,771 INFO L168 Benchmark]: Toolchain (without parser) took 3443.82 ms. Allocated memory was 137.9 MB in the beginning and 249.0 MB in the end (delta: 111.1 MB). Free memory was 101.1 MB in the beginning and 163.6 MB in the end (delta: -62.5 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,775 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.54 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 180.5 MB in the end (delta: -79.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,778 INFO L168 Benchmark]: Boogie Preprocessor took 50.91 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 177.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,779 INFO L168 Benchmark]: RCFGBuilder took 822.49 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 129.1 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,785 INFO L168 Benchmark]: Sifa took 2144.04 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 129.1 MB in the beginning and 163.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-10-14 03:02:58,798 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 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 422.54 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 180.5 MB in the end (delta: -79.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.91 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 177.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 822.49 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 129.1 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Sifa took 2144.04 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 129.1 MB in the beginning and 163.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 11.6 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]: 2094, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 306, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 211, TOOLS_POST_TIME[ms]: 80, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 244, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_APPLICATIONS: 350, TOOLS_QUANTIFIERELIM_TIME[ms]: 337, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 317, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 98, DOMAIN_JOIN_TIME[ms]: 1241, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 69, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME[ms]: 111, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 893, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 892, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 66, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1057, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1055, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 44, 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 887#(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...