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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 14:30:42,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 14:30:42,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 14:30:42,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 14:30:42,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 14:30:42,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 14:30:42,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 14:30:42,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 14:30:42,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 14:30:42,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 14:30:42,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 14:30:42,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 14:30:42,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 14:30:42,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 14:30:42,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 14:30:42,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 14:30:42,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 14:30:42,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 14:30:42,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 14:30:42,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 14:30:42,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 14:30:42,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 14:30:42,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 14:30:42,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 14:30:42,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 14:30:42,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 14:30:42,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 14:30:42,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 14:30:42,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 14:30:42,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 14:30:42,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 14:30:42,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 14:30:42,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 14:30:42,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 14:30:42,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 14:30:42,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 14:30:42,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 14:30:42,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 14:30:42,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 14:30:42,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 14:30:42,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 14:30:42,537 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 [2019-10-04 14:30:42,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 14:30:42,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 14:30:42,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 14:30:42,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 14:30:42,564 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 14:30:42,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 14:30:42,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 14:30:42,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 14:30:42,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 14:30:42,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 14:30:42,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 14:30:42,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 14:30:42,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 14:30:42,567 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 14:30:42,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 14:30:42,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 14:30:42,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 14:30:42,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 14:30:42,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 14:30:42,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 14:30:42,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 14:30:42,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:30:42,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 14:30:42,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 14:30:42,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 14:30:42,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 14:30:42,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 14:30:42,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 14:30:42,571 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 [2019-10-04 14:30:42,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 14:30:42,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 14:30:42,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 14:30:42,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 14:30:42,620 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 14:30:42,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-10-04 14:30:42,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95858a1ab/6f452d97799a483cb1ab57ec90098a9b/FLAG205f4ebb4 [2019-10-04 14:30:43,139 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 14:30:43,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-10-04 14:30:43,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95858a1ab/6f452d97799a483cb1ab57ec90098a9b/FLAG205f4ebb4 [2019-10-04 14:30:43,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95858a1ab/6f452d97799a483cb1ab57ec90098a9b [2019-10-04 14:30:43,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 14:30:43,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 14:30:43,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 14:30:43,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 14:30:43,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 14:30:43,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f255249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43, skipping insertion in model container [2019-10-04 14:30:43,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 14:30:43,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 14:30:43,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:30:43,842 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 14:30:43,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:30:44,018 INFO L192 MainTranslator]: Completed translation [2019-10-04 14:30:44,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44 WrapperNode [2019-10-04 14:30:44,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 14:30:44,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 14:30:44,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 14:30:44,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 14:30:44,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 14:30:44,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 14:30:44,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 14:30:44,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 14:30:44,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:44" (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 [2019-10-04 14:30:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 14:30:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 14:30:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-04 14:30:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-10-04 14:30:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-10-04 14:30:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-10-04 14:30:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-10-04 14:30:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-10-04 14:30:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-10-04 14:30:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-04 14:30:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-04 14:30:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-04 14:30:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-04 14:30:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-04 14:30:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-04 14:30:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-04 14:30:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-04 14:30:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-04 14:30:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-04 14:30:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 14:30:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 14:30:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 14:30:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-04 14:30:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-10-04 14:30:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-10-04 14:30:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-10-04 14:30:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-10-04 14:30:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-04 14:30:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-04 14:30:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-04 14:30:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-04 14:30:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-04 14:30:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-04 14:30:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-04 14:30:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 14:30:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 14:30:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 14:30:44,865 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 14:30:44,866 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-04 14:30:44,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:30:44 BoogieIcfgContainer [2019-10-04 14:30:44,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 14:30:44,868 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 14:30:44,868 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 14:30:44,868 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 14:30:44,870 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,870 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 [2019-10-04 14:30:44,896 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 14:30:44,897 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 14:30:44,906 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 14:30:44,915 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 14:30:44,917 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 14:30:45,218 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-10-04 14:30:45,324 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-10-04 14:30:46,639 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 46 for LOIs [2019-10-04 14:30:46,956 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 32 for LOIs [2019-10-04 14:30:47,109 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 34 for LOIs [2019-10-04 14:30:47,121 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 14:30:47,121 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 14:30:47,123 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1023#(and (or (and (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1))) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)) [2019-10-04 14:30:47,139 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 14:30:47,139 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 14:30:47,145 INFO L168 Benchmark]: Toolchain (without parser) took 3596.85 ms. Allocated memory was 132.6 MB in the beginning and 263.7 MB in the end (delta: 131.1 MB). Free memory was 87.4 MB in the beginning and 159.6 MB in the end (delta: -72.1 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,149 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.58 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.2 MB in the beginning and 175.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,152 INFO L168 Benchmark]: Boogie Preprocessor took 45.11 ms. Allocated memory is still 200.8 MB. Free memory was 175.9 MB in the beginning and 173.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,154 INFO L168 Benchmark]: RCFGBuilder took 802.17 ms. Allocated memory is still 200.8 MB. Free memory was 173.3 MB in the beginning and 123.8 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,161 INFO L168 Benchmark]: Sifa took 2271.61 ms. Allocated memory was 200.8 MB in the beginning and 263.7 MB in the end (delta: 62.9 MB). Free memory was 123.8 MB in the beginning and 159.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,172 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 132.6 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.58 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.2 MB in the beginning and 175.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.11 ms. Allocated memory is still 200.8 MB. Free memory was 175.9 MB in the beginning and 173.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 802.17 ms. Allocated memory is still 200.8 MB. Free memory was 173.3 MB in the beginning and 123.8 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 2271.61 ms. Allocated memory was 200.8 MB in the beginning and 263.7 MB in the end (delta: 62.9 MB). Free memory was 123.8 MB in the beginning and 159.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 27.1 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]: 2227, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 325, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 232, TOOLS_POST_TIME[ms]: 79, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 233, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 125, TOOLS_QUANTIFIERELIM_APPLICATIONS: 364, TOOLS_QUANTIFIERELIM_TIME[ms]: 314, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 337, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 120, DOMAIN_JOIN_TIME[ms]: 1426, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 56, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 81, DOMAIN_ISBOTTOM_TIME[ms]: 124, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1075, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1075, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1160, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1159, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 209 - 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 1023#(and (or (and (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~p_dw_i~0 1))) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...