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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:43:18,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:43:18,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:43:18,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:43:18,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:43:18,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:43:18,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:43:18,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:43:18,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:43:18,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:43:18,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:43:18,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:43:18,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:43:18,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:43:18,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:43:18,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:43:18,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:43:18,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:43:18,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:43:18,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:43:18,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:43:18,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:43:18,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:43:18,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:43:18,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:43:18,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:43:18,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:43:18,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:43:18,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:43:18,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:43:18,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:43:18,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:43:18,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:43:18,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:43:18,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:43:18,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:43:18,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:43:18,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:43:18,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:43:18,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:43:18,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:43:18,596 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 [2019-09-20 19:43:18,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:43:18,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:43:18,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:43:18,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:43:18,615 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:43:18,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:43:18,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:43:18,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:43:18,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:43:18,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:43:18,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:43:18,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:43:18,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:43:18,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:43:18,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:43:18,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:43:18,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:18,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:43:18,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:43:18,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:43:18,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:43:18,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:43:18,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:43:18,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:43:18,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:43:18,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:43:18,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:43:18,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:43:18,712 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:43:18,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 19:43:18,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76684cfdc/ff1d134e5be446abb45844396578d098/FLAGc47d82380 [2019-09-20 19:43:19,282 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:43:19,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 19:43:19,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76684cfdc/ff1d134e5be446abb45844396578d098/FLAGc47d82380 [2019-09-20 19:43:19,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76684cfdc/ff1d134e5be446abb45844396578d098 [2019-09-20 19:43:19,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:43:19,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:43:19,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:19,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:43:19,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:43:19,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:19" (1/1) ... [2019-09-20 19:43:19,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468689bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:19, skipping insertion in model container [2019-09-20 19:43:19,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:19" (1/1) ... [2019-09-20 19:43:19,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:43:19,672 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:43:19,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:19,915 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:43:20,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:20,061 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:43:20,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20 WrapperNode [2019-09-20 19:43:20,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:20,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:43:20,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:43:20,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:43:20,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:43:20,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:43:20,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:43:20,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:43:20,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:20" (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 [2019-09-20 19:43:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 19:43:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 19:43:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 19:43:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 19:43:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 19:43:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 19:43:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 19:43:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 19:43:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 19:43:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 19:43:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 19:43:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 19:43:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:43:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:43:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 19:43:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 19:43:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 19:43:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 19:43:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 19:43:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 19:43:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 19:43:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 19:43:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 19:43:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 19:43:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:43:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:43:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:43:20,798 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:43:20,798 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:43:20,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:20 BoogieIcfgContainer [2019-09-20 19:43:20,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:43:20,801 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:43:20,801 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:43:20,802 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:43:20,803 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:20" (1/1) ... [2019-09-20 19:43:20,803 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:43:20,834 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:43:20,835 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:43:20,855 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:43:20,864 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:43:20,866 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:43:21,101 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 19:43:21,171 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 19:43:22,592 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-20 19:43:22,926 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-20 19:43:23,099 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-20 19:43:23,271 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-20 19:43:24,114 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:24,379 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:24,582 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:24,880 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:25,074 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:25,317 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:25,575 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:25,786 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:26,104 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:26,349 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:26,537 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:26,852 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:27,041 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:27,263 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:27,505 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:27,608 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:43:27,981 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:28,205 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:28,394 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:28,685 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:28,892 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:29,153 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:30,148 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-20 19:43:30,545 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:30,787 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:30,968 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:31,269 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:31,454 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:31,914 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:32,127 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:32,640 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:32,822 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:33,130 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:33,317 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:33,817 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:34,042 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:34,201 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-09-20 19:43:34,418 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 19:43:34,741 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:34,848 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:43:35,006 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:35,435 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 19:43:35,542 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:43:35,697 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 19:43:36,213 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 19:43:36,946 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2019-09-20 19:43:37,086 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:43:37,323 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-09-20 19:43:37,391 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-20 19:43:37,591 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-20 19:43:37,909 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-20 19:43:38,228 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2019-09-20 19:43:38,332 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:43:38,532 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-20 19:43:38,754 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 19:43:39,031 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 19:43:39,324 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 19:43:39,532 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 19:43:39,762 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:43:40,208 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:43:40,716 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:43:41,286 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:43:41,728 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:43:41,991 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 19:43:42,561 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 17 for LOIs [2019-09-20 19:43:42,685 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2019-09-20 19:43:42,715 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 18 for LOIs [2019-09-20 19:43:42,807 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 19 for LOIs [2019-09-20 19:43:42,864 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 19:43:42,865 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:43:42,866 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:43:42,868 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1643#true [2019-09-20 19:43:42,880 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:43:42,880 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:43:42,882 INFO L168 Benchmark]: Toolchain (without parser) took 23275.83 ms. Allocated memory was 132.6 MB in the beginning and 454.6 MB in the end (delta: 321.9 MB). Free memory was 88.5 MB in the beginning and 395.4 MB in the end (delta: -306.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:42,883 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:43:42,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.10 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 175.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:42,884 INFO L168 Benchmark]: Boogie Preprocessor took 60.75 ms. Allocated memory is still 200.3 MB. Free memory was 175.3 MB in the beginning and 173.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:42,885 INFO L168 Benchmark]: RCFGBuilder took 677.07 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 133.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:42,886 INFO L168 Benchmark]: Sifa took 22079.18 ms. Allocated memory was 200.3 MB in the beginning and 454.6 MB in the end (delta: 254.3 MB). Free memory was 133.7 MB in the beginning and 395.4 MB in the end (delta: -261.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:43:42,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 455.10 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 175.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.75 ms. Allocated memory is still 200.3 MB. Free memory was 175.3 MB in the beginning and 173.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 677.07 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 133.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Sifa took 22079.18 ms. Allocated memory was 200.3 MB in the beginning and 454.6 MB in the end (delta: 254.3 MB). Free memory was 133.7 MB in the beginning and 395.4 MB in the end (delta: -261.7 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]: 22034, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1019, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 837, TOOLS_POST_TIME[ms]: 285, TOOLS_POST_CALL_APPLICATIONS: 137, TOOLS_POST_CALL_TIME[ms]: 408, TOOLS_POST_RETURN_APPLICATIONS: 127, TOOLS_POST_RETURN_TIME[ms]: 116, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1099, TOOLS_QUANTIFIERELIM_TIME[ms]: 604, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 1046, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 207, DOMAIN_JOIN_TIME[ms]: 20414, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 25, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 278, DOMAIN_ISSUBSETEQ_APPLICATIONS: 27, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 148, DOMAIN_ISBOTTOM_TIME[ms]: 239, LOOP_SUMMARIZER_APPLICATIONS: 25, LOOP_SUMMARIZER_CACHE_MISSES: 25, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16888, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16887, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, CALL_SUMMARIZER_APPLICATIONS: 127, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14857, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14856, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 1036, DAG_COMPRESSION_RETAINED_NODES: 486 - 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 1643#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...