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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-20 00:25:22,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 00:25:22,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 00:25:22,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 00:25:22,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 00:25:22,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 00:25:22,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 00:25:22,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 00:25:22,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 00:25:22,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 00:25:22,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 00:25:22,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 00:25:22,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 00:25:22,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 00:25:22,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 00:25:22,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 00:25:22,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 00:25:22,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 00:25:22,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 00:25:22,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 00:25:22,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 00:25:22,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 00:25:22,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 00:25:22,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 00:25:22,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 00:25:22,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 00:25:22,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 00:25:22,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 00:25:22,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 00:25:22,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 00:25:22,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 00:25:22,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 00:25:22,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 00:25:22,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 00:25:22,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 00:25:22,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 00:25:22,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 00:25:22,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 00:25:22,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 00:25:22,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 00:25:22,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 00:25:22,876 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 00:25:22,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 00:25:22,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 00:25:22,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 00:25:22,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 00:25:22,892 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 00:25:22,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 00:25:22,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 00:25:22,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 00:25:22,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 00:25:22,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 00:25:22,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 00:25:22,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 00:25:22,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 00:25:22,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 00:25:22,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 00:25:22,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 00:25:22,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:25:22,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 00:25:22,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 00:25:22,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 00:25:22,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 00:25:22,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 00:25:22,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 00:25:22,897 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 -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 00:25:22,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 00:25:22,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 00:25:22,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 00:25:22,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 00:25:22,946 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 00:25:22,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 00:25:23,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88da9233/9c61d4f75ed94a02aae5b5f068270387/FLAG224dece7f [2019-09-20 00:25:23,466 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 00:25:23,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 00:25:23,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88da9233/9c61d4f75ed94a02aae5b5f068270387/FLAG224dece7f [2019-09-20 00:25:23,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88da9233/9c61d4f75ed94a02aae5b5f068270387 [2019-09-20 00:25:23,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 00:25:23,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 00:25:23,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 00:25:23,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 00:25:23,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 00:25:23,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:25:23" (1/1) ... [2019-09-20 00:25:23,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:23, skipping insertion in model container [2019-09-20 00:25:23,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:25:23" (1/1) ... [2019-09-20 00:25:23,857 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 00:25:23,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 00:25:24,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:25:24,198 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 00:25:24,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:25:24,363 INFO L192 MainTranslator]: Completed translation [2019-09-20 00:25:24,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24 WrapperNode [2019-09-20 00:25:24,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 00:25:24,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 00:25:24,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 00:25:24,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 00:25:24,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... [2019-09-20 00:25:24,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 00:25:24,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 00:25:24,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 00:25:24,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 00:25:24,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:25:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:25:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 00:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 00:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 00:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 00:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 00:25:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 00:25:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 00:25:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 00:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 00:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 00:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 00:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 00:25:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 00:25:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 00:25:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 00:25:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 00:25:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 00:25:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 00:25:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 00:25:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 00:25:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 00:25:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 00:25:25,178 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 00:25:25,178 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 00:25:25,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:25:25 BoogieIcfgContainer [2019-09-20 00:25:25,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 00:25:25,181 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 00:25:25,181 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 00:25:25,181 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 00:25:25,182 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:25:25" (1/1) ... [2019-09-20 00:25:25,183 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 00:25:25,204 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 00:25:25,204 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 00:25:25,219 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 00:25:25,228 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 00:25:25,230 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 00:25:25,392 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 00:25:25,421 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 00:25:26,427 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 00:25:26,582 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 00:25:26,740 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 00:25:27,566 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-09-20 00:25:28,267 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:28,561 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:28,779 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:29,081 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:29,402 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:29,760 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:30,064 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:30,641 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:30,976 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:31,175 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:31,617 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:31,870 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:32,084 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:32,367 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:32,680 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:33,050 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:33,339 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:33,600 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:33,873 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:34,167 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:34,370 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:34,759 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:35,029 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:35,234 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:35,544 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:35,847 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:36,231 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:36,514 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:36,776 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:37,042 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:37,346 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:37,878 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2019-09-20 00:25:38,074 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 00:25:38,302 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:38,567 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:38,772 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:39,082 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:39,383 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:39,727 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:40,029 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:40,285 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:40,554 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:40,848 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:41,283 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2019-09-20 00:25:41,411 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 00:25:43,020 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:43,287 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:43,496 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:43,820 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:44,211 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:44,316 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 00:25:44,560 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:44,824 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:45,093 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:45,356 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:45,650 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:45,834 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:46,241 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:46,509 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:46,717 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:46,990 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:47,285 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:47,624 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:47,927 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:48,211 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:48,518 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:48,801 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:48,978 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:49,372 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:49,636 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:49,839 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:50,118 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:50,412 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:50,752 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:51,018 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:51,298 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:51,563 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:51,858 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:52,064 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 00:25:52,384 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2019-09-20 00:25:52,584 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 00:25:52,816 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:53,084 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 00:25:53,290 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:53,563 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 00:25:53,862 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 00:25:54,205 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 00:25:54,468 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:54,732 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 00:25:54,994 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 00:25:55,288 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 00:25:55,603 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-20 00:25:55,719 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 00:25:55,984 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-20 00:25:56,106 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 00:25:56,740 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-09-20 00:25:56,911 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 00:25:57,190 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2019-09-20 00:25:57,313 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 00:25:57,675 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 00:25:58,194 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-20 00:25:58,332 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 00:25:58,633 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2019-09-20 00:25:58,914 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-20 00:25:59,026 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 00:25:59,029 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 67 for LOIs [2019-09-20 00:25:59,383 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 54 [2019-09-20 00:25:59,933 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 00:26:00,095 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 00:26:00,445 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 00:26:00,603 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 00:26:01,113 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-20 00:26:01,569 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-20 00:26:01,762 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 00:26:02,022 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 00:26:02,230 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 00:26:02,495 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 00:26:02,644 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 00:26:02,887 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2019-09-20 00:26:03,096 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 00:26:03,324 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 00:26:03,578 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 00:26:03,845 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 00:26:03,862 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 00:26:04,299 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 17 for LOIs [2019-09-20 00:26:04,363 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 26 for LOIs [2019-09-20 00:26:04,364 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 27 for LOIs [2019-09-20 00:26:04,450 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 00:26:04,451 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 00:26:04,451 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 00:26:04,453 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2371#true [2019-09-20 00:26:04,463 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 00:26:04,463 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 00:26:04,464 INFO L168 Benchmark]: Toolchain (without parser) took 40623.45 ms. Allocated memory was 140.5 MB in the beginning and 482.3 MB in the end (delta: 341.8 MB). Free memory was 87.5 MB in the beginning and 231.3 MB in the end (delta: -143.9 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:04,465 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 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. [2019-09-20 00:26:04,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.67 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 175.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:04,467 INFO L168 Benchmark]: Boogie Preprocessor took 46.36 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:04,467 INFO L168 Benchmark]: RCFGBuilder took 763.22 ms. Allocated memory is still 200.3 MB. Free memory was 173.5 MB in the beginning and 127.1 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:04,468 INFO L168 Benchmark]: Sifa took 39282.42 ms. Allocated memory was 200.3 MB in the beginning and 482.3 MB in the end (delta: 282.1 MB). Free memory was 127.1 MB in the beginning and 231.3 MB in the end (delta: -104.3 MB). Peak memory consumption was 177.8 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:04,472 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 140.5 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 521.67 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.2 MB in the beginning and 175.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.36 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 173.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 763.22 ms. Allocated memory is still 200.3 MB. Free memory was 173.5 MB in the beginning and 127.1 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Sifa took 39282.42 ms. Allocated memory was 200.3 MB in the beginning and 482.3 MB in the end (delta: 282.1 MB). Free memory was 127.1 MB in the beginning and 231.3 MB in the end (delta: -104.3 MB). Peak memory consumption was 177.8 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]: 39249, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1521, DAG_INTERPRETER_EARLY_EXITS: 68, TOOLS_POST_APPLICATIONS: 1085, TOOLS_POST_TIME[ms]: 342, TOOLS_POST_CALL_APPLICATIONS: 284, TOOLS_POST_CALL_TIME[ms]: 357, TOOLS_POST_RETURN_APPLICATIONS: 274, TOOLS_POST_RETURN_TIME[ms]: 210, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1642, TOOLS_QUANTIFIERELIM_TIME[ms]: 638, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1661, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 311, DOMAIN_JOIN_TIME[ms]: 36390, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1161, DOMAIN_ISSUBSETEQ_APPLICATIONS: 140, DOMAIN_ISSUBSETEQ_TIME[ms]: 51, DOMAIN_ISBOTTOM_APPLICATIONS: 272, DOMAIN_ISBOTTOM_TIME[ms]: 520, LOOP_SUMMARIZER_APPLICATIONS: 130, LOOP_SUMMARIZER_CACHE_MISSES: 130, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 32887, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32886, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 140, CALL_SUMMARIZER_APPLICATIONS: 274, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29509, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29508, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327 - 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 2371#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...