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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:40:16,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:40:16,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:40:16,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:40:16,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:40:16,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:40:16,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:40:16,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:40:16,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:40:16,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:40:16,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:40:16,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:40:16,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:40:16,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:40:16,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:40:16,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:40:16,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:40:16,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:40:16,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:40:16,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:40:16,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:40:16,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:40:16,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:40:16,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:40:16,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:40:16,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:40:16,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:40:16,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:40:16,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:40:16,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:40:16,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:40:16,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:40:16,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:40:16,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:40:16,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:40:16,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:40:16,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:40:16,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:40:16,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:40:16,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:40:16,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:40:16,400 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 [2019-09-18 05:40:16,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:40:16,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:40:16,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:40:16,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:40:16,417 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:40:16,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:40:16,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:40:16,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:40:16,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:40:16,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:40:16,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:40:16,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:40:16,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:40:16,418 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:40:16,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:40:16,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:40:16,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:40:16,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:40:16,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:40:16,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:40:16,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:40:16,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:40:16,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:40:16,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:40:16,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:40:16,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:40:16,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:40:16,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:40:16,422 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 -> SequenceOfStatements 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 [2019-09-18 05:40:16,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:40:16,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:40:16,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:40:16,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:40:16,469 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:40:16,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-18 05:40:16,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93faa3fac/a0b42d26625d418088727a8f511bf302/FLAGb9123c0ae [2019-09-18 05:40:17,004 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:40:17,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-18 05:40:17,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93faa3fac/a0b42d26625d418088727a8f511bf302/FLAGb9123c0ae [2019-09-18 05:40:17,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93faa3fac/a0b42d26625d418088727a8f511bf302 [2019-09-18 05:40:17,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:40:17,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:40:17,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:40:17,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:40:17,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:40:17,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63923cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17, skipping insertion in model container [2019-09-18 05:40:17,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:40:17,444 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:40:17,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:40:17,640 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:40:17,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:40:17,785 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:40:17,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17 WrapperNode [2019-09-18 05:40:17,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:40:17,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:40:17,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:40:17,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:40:17,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (1/1) ... [2019-09-18 05:40:17,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:40:17,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:40:17,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:40:17,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:40:17,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:40:17" (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 [2019-09-18 05:40:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-18 05:40:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-18 05:40:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-18 05:40:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:40:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:40:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:40:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-18 05:40:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-18 05:40:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-18 05:40:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:40:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:40:18,324 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:40:18,325 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 05:40:18,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:40:18 BoogieIcfgContainer [2019-09-18 05:40:18,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:40:18,327 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:40:18,327 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:40:18,327 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:40:18,328 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:40:18" (1/1) ... [2019-09-18 05:40:18,329 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 05:40:18,348 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:40:18,348 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:40:18,357 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:40:18,364 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:40:18,366 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:40:18,527 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-18 05:40:18,636 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-18 05:40:19,632 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-18 05:40:20,622 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-18 05:40:21,090 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-18 05:40:22,361 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:22,518 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:22,740 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:23,484 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:23,783 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:24,027 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:24,237 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-18 05:40:24,492 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-18 05:40:25,007 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-18 05:40:25,609 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:25,796 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:26,011 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-18 05:40:26,254 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 05:40:26,673 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-18 05:40:27,080 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:27,299 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:27,973 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:28,256 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:28,477 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:28,699 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-18 05:40:28,955 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-18 05:40:29,666 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-18 05:40:30,344 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:30,526 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:30,745 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-18 05:40:30,969 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 05:40:31,653 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:31,803 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:32,022 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:32,674 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:32,956 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:33,193 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:33,431 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-18 05:40:33,690 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-18 05:40:34,766 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:34,956 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:35,164 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-18 05:40:35,390 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 05:40:35,835 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:35,984 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:40:36,199 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:36,893 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-18 05:40:37,190 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:37,409 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-18 05:40:37,628 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-18 05:40:37,884 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-18 05:40:38,393 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-18 05:40:38,975 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:39,161 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-18 05:40:39,365 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-18 05:40:39,586 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 05:40:40,194 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-18 05:40:40,320 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 05:40:40,325 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 63 for LOIs [2019-09-18 05:40:40,652 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-18 05:40:40,764 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 05:40:40,889 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 05:40:41,160 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 49 [2019-09-18 05:40:41,468 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 49 [2019-09-18 05:40:41,727 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2019-09-18 05:40:42,036 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-18 05:40:42,140 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 05:40:42,497 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-18 05:40:43,386 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-18 05:40:43,546 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-18 05:40:43,727 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-18 05:40:43,915 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-18 05:40:43,955 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 27 for LOIs [2019-09-18 05:40:44,434 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-18 05:40:44,602 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 05:40:44,832 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-18 05:40:45,245 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-18 05:40:45,476 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-18 05:40:45,692 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 39 for LOIs [2019-09-18 05:40:45,764 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:40:45,764 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:40:45,767 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1798#(or (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (and (or (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0)) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))) (and (= ~q_read_ev~0 2) (and (or (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0)) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-18 05:40:45,783 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:40:45,784 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:40:45,785 INFO L168 Benchmark]: Toolchain (without parser) took 28397.51 ms. Allocated memory was 133.2 MB in the beginning and 437.3 MB in the end (delta: 304.1 MB). Free memory was 89.1 MB in the beginning and 241.2 MB in the end (delta: -152.1 MB). Peak memory consumption was 152.0 MB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,786 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.44 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.9 MB in the beginning and 176.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,788 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,788 INFO L168 Benchmark]: RCFGBuilder took 500.93 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 148.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,789 INFO L168 Benchmark]: Sifa took 27457.12 ms. Allocated memory was 200.3 MB in the beginning and 437.3 MB in the end (delta: 237.0 MB). Free memory was 148.1 MB in the beginning and 241.2 MB in the end (delta: -93.1 MB). Peak memory consumption was 143.9 MB. Max. memory is 7.1 GB. [2019-09-18 05:40:45,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.44 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.9 MB in the beginning and 176.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.54 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.93 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 148.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Sifa took 27457.12 ms. Allocated memory was 200.3 MB in the beginning and 437.3 MB in the end (delta: 237.0 MB). Free memory was 148.1 MB in the beginning and 241.2 MB in the end (delta: -93.1 MB). Peak memory consumption was 143.9 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]: 27420, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1121, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 846, TOOLS_POST_TIME[ms]: 262, TOOLS_POST_CALL_APPLICATIONS: 177, TOOLS_POST_CALL_TIME[ms]: 286, TOOLS_POST_RETURN_APPLICATIONS: 171, TOOLS_POST_RETURN_TIME[ms]: 136, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1170, TOOLS_QUANTIFIERELIM_TIME[ms]: 479, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 1204, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 276, DOMAIN_JOIN_TIME[ms]: 26004, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 107, DOMAIN_ISSUBSETEQ_APPLICATIONS: 83, DOMAIN_ISSUBSETEQ_TIME[ms]: 55, DOMAIN_ISBOTTOM_APPLICATIONS: 171, DOMAIN_ISBOTTOM_TIME[ms]: 359, LOOP_SUMMARIZER_APPLICATIONS: 79, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22563, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22561, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 83, CALL_SUMMARIZER_APPLICATIONS: 171, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 21371, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 21371, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 774, DAG_COMPRESSION_RETAINED_NODES: 358 - 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 1798#(or (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (and (or (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0)) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))) (and (= ~q_read_ev~0 2) (and (or (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0)) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~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...