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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --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-fea9116 [2019-09-20 16:44:29,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:44:29,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:44:29,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:44:29,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:44:29,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:44:29,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:44:29,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:44:29,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:44:29,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:44:29,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:44:29,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:44:29,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:44:29,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:44:29,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:44:29,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:44:29,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:44:29,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:44:29,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:44:29,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:44:29,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:44:29,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:44:29,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:44:29,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:44:29,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:44:29,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:44:29,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:44:29,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:44:29,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:44:29,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:44:29,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:44:29,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:44:29,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:44:29,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:44:29,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:44:29,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:44:29,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:44:29,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:44:29,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:44:29,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:44:29,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:44:29,914 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 16:44:29,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:44:29,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:44:29,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:44:29,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:44:29,930 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:44:29,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:44:29,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:44:29,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:44:29,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:44:29,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:44:29,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:44:29,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:44:29,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:44:29,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:44:29,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:44:29,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:44:29,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:44:29,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:44:29,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:44:29,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:44:29,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:44:29,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:29,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:44:29,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:44:29,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:44:29,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:44:29,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:44:29,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:44:29,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:44:29,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:44:29,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:44:29,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:44:29,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:44:29,991 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:44:29,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 16:44:30,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be172e523/1a40c9356c0d4c1489686243806d9bf9/FLAGe13eb8789 [2019-09-20 16:44:30,502 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:44:30,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 16:44:30,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be172e523/1a40c9356c0d4c1489686243806d9bf9/FLAGe13eb8789 [2019-09-20 16:44:30,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be172e523/1a40c9356c0d4c1489686243806d9bf9 [2019-09-20 16:44:30,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:44:30,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:44:30,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:30,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:44:30,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:44:30,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:30" (1/1) ... [2019-09-20 16:44:30,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5782f2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:30, skipping insertion in model container [2019-09-20 16:44:30,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:30" (1/1) ... [2019-09-20 16:44:30,890 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:44:30,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:44:31,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:31,168 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:44:31,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:31,323 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:44:31,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31 WrapperNode [2019-09-20 16:44:31,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:31,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:44:31,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:44:31,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:44:31,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:44:31,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:44:31,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:44:31,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:44:31,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (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 16:44:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:44:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:44:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 16:44:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 16:44:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 16:44:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 16:44:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 16:44:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 16:44:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 16:44:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:44:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:44:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 16:44:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 16:44:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:44:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:44:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:44:32,168 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:44:32,168 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 16:44:32,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:32 BoogieIcfgContainer [2019-09-20 16:44:32,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:44:32,170 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:44:32,170 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:44:32,171 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:44:32,172 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:32" (1/1) ... [2019-09-20 16:44:32,173 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:44:32,208 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:44:32,208 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:44:32,222 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:44:32,232 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:44:32,234 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:44:32,439 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 16:44:32,480 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-09-20 16:44:32,607 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 85 for LOIs [2019-09-20 16:44:34,100 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:44:34,504 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 16:44:34,523 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 66 for LOIs [2019-09-20 16:44:35,013 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 30 for LOIs [2019-09-20 16:44:35,494 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 17 for LOIs [2019-09-20 16:44:35,511 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:44:35,511 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:44:35,515 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 469#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~p_dw_i~0) (<= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)) [2019-09-20 16:44:35,531 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:44:35,531 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:44:35,534 INFO L168 Benchmark]: Toolchain (without parser) took 4659.15 ms. Allocated memory was 132.6 MB in the beginning and 313.0 MB in the end (delta: 180.4 MB). Free memory was 88.1 MB in the beginning and 252.5 MB in the end (delta: -164.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:35,537 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:44:35,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.00 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 174.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:35,540 INFO L168 Benchmark]: Boogie Preprocessor took 42.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:35,541 INFO L168 Benchmark]: RCFGBuilder took 802.92 ms. Allocated memory is still 199.2 MB. Free memory was 172.5 MB in the beginning and 123.1 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:35,548 INFO L168 Benchmark]: Sifa took 3361.06 ms. Allocated memory was 199.2 MB in the beginning and 313.0 MB in the end (delta: 113.8 MB). Free memory was 123.1 MB in the beginning and 252.5 MB in the end (delta: -129.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:44:35,551 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 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.00 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 174.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 802.92 ms. Allocated memory is still 199.2 MB. Free memory was 172.5 MB in the beginning and 123.1 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * Sifa took 3361.06 ms. Allocated memory was 199.2 MB in the beginning and 313.0 MB in the end (delta: 113.8 MB). Free memory was 123.1 MB in the beginning and 252.5 MB in the end (delta: -129.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3307, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 314, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 227, TOOLS_POST_TIME[ms]: 80, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 274, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 347, TOOLS_QUANTIFIERELIM_TIME[ms]: 309, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 325, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 119, DOMAIN_JOIN_TIME[ms]: 2581, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 81, DOMAIN_ISBOTTOM_TIME[ms]: 120, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1480, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1479, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1243, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1242, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 40, 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 469#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~p_dw_i~0) (<= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...