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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 10:34:18,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 10:34:18,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 10:34:18,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 10:34:18,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 10:34:18,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 10:34:18,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 10:34:18,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 10:34:18,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 10:34:18,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 10:34:18,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 10:34:18,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 10:34:18,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 10:34:18,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 10:34:18,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 10:34:18,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 10:34:18,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 10:34:18,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 10:34:18,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 10:34:18,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 10:34:18,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 10:34:18,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 10:34:18,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 10:34:18,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 10:34:18,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 10:34:18,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 10:34:18,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 10:34:18,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 10:34:18,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 10:34:18,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 10:34:18,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 10:34:18,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 10:34:18,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 10:34:18,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 10:34:18,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 10:34:18,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 10:34:18,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 10:34:18,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 10:34:18,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 10:34:18,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 10:34:18,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 10:34:18,903 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 [2019-09-19 10:34:18,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 10:34:18,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 10:34:18,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 10:34:18,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 10:34:18,919 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 10:34:18,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 10:34:18,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 10:34:18,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 10:34:18,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 10:34:18,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 10:34:18,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 10:34:18,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 10:34:18,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 10:34:18,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 10:34:18,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 10:34:18,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 10:34:18,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 10:34:18,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 10:34:18,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 10:34:18,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 10:34:18,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 10:34:18,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 10:34:18,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 10:34:18,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 10:34:18,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 10:34:18,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 10:34:18,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 10:34:18,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 10:34:18,924 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 -> InterpretCallSummarizer 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 [2019-09-19 10:34:18,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 10:34:18,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 10:34:18,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 10:34:18,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 10:34:18,974 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 10:34:18,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-19 10:34:19,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a712dfcf/26017132355b488e9008e92fadf78d78/FLAGcbce35075 [2019-09-19 10:34:19,487 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 10:34:19,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-19 10:34:19,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a712dfcf/26017132355b488e9008e92fadf78d78/FLAGcbce35075 [2019-09-19 10:34:19,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a712dfcf/26017132355b488e9008e92fadf78d78 [2019-09-19 10:34:19,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 10:34:19,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 10:34:19,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 10:34:19,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 10:34:19,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 10:34:19,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:34:19" (1/1) ... [2019-09-19 10:34:19,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a2ab94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:19, skipping insertion in model container [2019-09-19 10:34:19,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:34:19" (1/1) ... [2019-09-19 10:34:19,888 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 10:34:19,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 10:34:20,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:34:20,192 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 10:34:20,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 10:34:20,352 INFO L192 MainTranslator]: Completed translation [2019-09-19 10:34:20,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20 WrapperNode [2019-09-19 10:34:20,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 10:34:20,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 10:34:20,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 10:34:20,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 10:34:20,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (1/1) ... [2019-09-19 10:34:20,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 10:34:20,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 10:34:20,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 10:34:20,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 10:34:20,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:34:20" (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 [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-19 10:34:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 10:34:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 10:34:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 10:34:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 10:34:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 10:34:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 10:34:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 10:34:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-19 10:34:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 10:34:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 10:34:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 10:34:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 10:34:21,168 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 10:34:21,169 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-19 10:34:21,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:34:21 BoogieIcfgContainer [2019-09-19 10:34:21,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 10:34:21,171 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 10:34:21,171 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 10:34:21,171 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 10:34:21,173 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:34:21" (1/1) ... [2019-09-19 10:34:21,173 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 10:34:21,196 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 10:34:21,196 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 10:34:21,205 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 10:34:21,213 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 10:34:21,214 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 10:34:21,383 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-19 10:34:21,610 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-19 10:34:21,761 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-19 10:34:22,040 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-19 10:34:22,210 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-19 10:34:22,662 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2019-09-19 10:34:22,841 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-19 10:34:23,221 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-19 10:34:23,582 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 10:34:23,731 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 10:34:23,867 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-19 10:34:24,279 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-19 10:34:24,431 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-19 10:34:24,565 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-19 10:34:24,940 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 10:34:25,103 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 10:34:25,238 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-19 10:34:25,512 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-19 10:34:26,238 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-19 10:34:26,447 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 10:34:27,003 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-19 10:34:27,215 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-19 10:34:27,446 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-19 10:34:27,691 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-19 10:34:28,105 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-09-19 10:34:28,318 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 10:34:28,530 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-19 10:34:28,771 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-19 10:34:29,088 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-19 10:34:29,209 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 10:34:29,337 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 10:34:29,465 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 10:34:30,398 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-19 10:34:30,819 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 10:34:31,679 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2019-09-19 10:34:32,109 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 10:34:32,558 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 10:34:32,997 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 10:34:33,866 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-19 10:34:34,519 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:34,720 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:34,922 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:35,161 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:35,522 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:36,587 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:34:37,417 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:37,614 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:37,810 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:38,029 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:38,347 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:39,460 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:34:39,931 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-19 10:34:40,586 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-19 10:34:41,070 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2019-09-19 10:34:41,364 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-09-19 10:34:41,570 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-19 10:34:41,673 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-19 10:34:41,982 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-09-19 10:34:42,088 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-19 10:34:42,460 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2019-09-19 10:34:42,589 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-19 10:34:42,721 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-19 10:34:42,857 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-19 10:34:43,571 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2019-09-19 10:34:43,699 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 10:34:44,069 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 55 [2019-09-19 10:34:44,465 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2019-09-19 10:34:44,863 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 56 [2019-09-19 10:34:45,177 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 39 [2019-09-19 10:34:45,841 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:46,060 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:46,263 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:46,487 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:46,841 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:47,918 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:34:48,605 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2019-09-19 10:34:49,237 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:49,432 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:49,631 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:49,877 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:50,197 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:51,281 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:34:51,641 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-19 10:34:51,791 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-19 10:34:51,945 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-19 10:34:52,191 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:52,453 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:52,665 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:34:52,861 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:53,192 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:34:54,280 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:34:54,628 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2019-09-19 10:34:54,896 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2019-09-19 10:34:55,552 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-19 10:34:55,795 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-19 10:34:56,079 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-09-19 10:34:56,275 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-19 10:34:56,377 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-19 10:34:56,769 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2019-09-19 10:34:57,179 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2019-09-19 10:34:57,327 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-19 10:34:57,457 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 10:34:57,590 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 10:34:57,952 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2019-09-19 10:34:58,102 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 10:34:58,545 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2019-09-19 10:34:58,662 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-19 10:34:59,058 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 50 [2019-09-19 10:34:59,537 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 56 [2019-09-19 10:35:00,092 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 81 [2019-09-19 10:35:00,200 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 10:35:00,686 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2019-09-19 10:35:00,870 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 10:35:00,875 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-19 10:35:01,050 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-19 10:35:01,387 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-19 10:35:01,507 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 10:35:01,743 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-19 10:35:01,859 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 10:35:02,090 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-19 10:35:02,206 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 10:35:02,333 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-19 10:35:02,644 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-19 10:35:02,776 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 10:35:02,902 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-19 10:35:03,193 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-19 10:35:03,310 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 10:35:03,440 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-19 10:35:03,750 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-19 10:35:03,863 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 10:35:03,990 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-19 10:35:04,226 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-19 10:35:05,166 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2019-09-19 10:35:05,365 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 10:35:06,058 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2019-09-19 10:35:06,261 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 10:35:06,786 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2019-09-19 10:35:07,343 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2019-09-19 10:35:07,491 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-09-19 10:35:08,080 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:35:08,398 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 10:35:09,006 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:09,202 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:09,398 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:09,624 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:35:09,947 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:35:11,022 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:35:11,826 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:12,023 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:12,220 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 10:35:12,442 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:35:12,762 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 10:35:12,997 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 24 for LOIs [2019-09-19 10:35:13,767 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:35:14,146 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 10:35:14,314 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 18 for LOIs [2019-09-19 10:35:14,350 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 10:35:14,351 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 10:35:14,354 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2020#(or (and (= 1 ~q_req_up~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-19 10:35:14,366 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 10:35:14,366 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 10:35:14,368 INFO L168 Benchmark]: Toolchain (without parser) took 54497.38 ms. Allocated memory was 142.1 MB in the beginning and 469.2 MB in the end (delta: 327.2 MB). Free memory was 89.5 MB in the beginning and 81.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,368 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.19 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 89.3 MB in the beginning and 177.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,370 INFO L168 Benchmark]: Boogie Preprocessor took 42.26 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,371 INFO L168 Benchmark]: RCFGBuilder took 775.17 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 126.9 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,371 INFO L168 Benchmark]: Sifa took 53195.25 ms. Allocated memory was 201.9 MB in the beginning and 469.2 MB in the end (delta: 267.4 MB). Free memory was 126.9 MB in the beginning and 81.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. [2019-09-19 10:35:14,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 481.19 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 89.3 MB in the beginning and 177.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.26 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 775.17 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 126.9 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * Sifa took 53195.25 ms. Allocated memory was 201.9 MB in the beginning and 469.2 MB in the end (delta: 267.4 MB). Free memory was 126.9 MB in the beginning and 81.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 312.8 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]: 53158, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 991, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 744, TOOLS_POST_TIME[ms]: 237, TOOLS_POST_CALL_APPLICATIONS: 118, TOOLS_POST_CALL_TIME[ms]: 219, TOOLS_POST_RETURN_APPLICATIONS: 112, TOOLS_POST_RETURN_TIME[ms]: 194, TOOLS_QUANTIFIERELIM_APPLICATIONS: 974, TOOLS_QUANTIFIERELIM_TIME[ms]: 473, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 32, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 1054, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 426, DOMAIN_JOIN_TIME[ms]: 44513, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 61, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME[ms]: 7322, DOMAIN_ISSUBSETEQ_APPLICATIONS: 63, DOMAIN_ISSUBSETEQ_TIME[ms]: 74, DOMAIN_ISBOTTOM_APPLICATIONS: 201, DOMAIN_ISBOTTOM_TIME[ms]: 316, LOOP_SUMMARIZER_APPLICATIONS: 32, LOOP_SUMMARIZER_CACHE_MISSES: 32, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 41393, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41392, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 63, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 112, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46530, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 42, 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 2020#(or (and (= 1 ~q_req_up~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...