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_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:19:22,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:19:22,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:19:22,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:19:22,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:19:22,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:19:22,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:19:22,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:19:22,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:19:22,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:19:22,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:19:22,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:19:22,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:19:22,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:19:22,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:19:22,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:19:22,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:19:22,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:19:22,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:19:22,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:19:22,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:19:22,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:19:22,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:19:22,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:19:22,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:19:22,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:19:22,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:19:22,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:19:22,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:19:22,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:19:22,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:19:22,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:19:22,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:19:22,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:19:22,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:19:22,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:19:22,341 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 [2019-09-21 09:19:22,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:19:22,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:19:22,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:19:22,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:19:22,359 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:19:22,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:19:22,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:19:22,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:19:22,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:19:22,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:19:22,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:19:22,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:19:22,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:19:22,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:19:22,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:19:22,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:19:22,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:19:22,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:19:22,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:19:22,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:19:22,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:19:22,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:19:22,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:19:22,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:19:22,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:19:22,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:19:22,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:19:22,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:19:22,364 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_QUICK [2019-09-21 09:19:22,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:19:22,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:19:22,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:19:22,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:19:22,415 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:19:22,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-21 09:19:22,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274b5aeb7/a9bfc727b1414e2799cb404d2c468ab3/FLAGd38b2b8c4 [2019-09-21 09:19:23,031 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:19:23,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-21 09:19:23,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274b5aeb7/a9bfc727b1414e2799cb404d2c468ab3/FLAGd38b2b8c4 [2019-09-21 09:19:23,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274b5aeb7/a9bfc727b1414e2799cb404d2c468ab3 [2019-09-21 09:19:23,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:19:23,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:19:23,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:23,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:19:23,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:19:23,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230595d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23, skipping insertion in model container [2019-09-21 09:19:23,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:19:23,403 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:19:23,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:23,607 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:19:23,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:23,677 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:19:23,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23 WrapperNode [2019-09-21 09:19:23,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:23,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:19:23,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:19:23,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:19:23,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (1/1) ... [2019-09-21 09:19:23,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:19:23,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:19:23,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:19:23,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:19:23,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:23" (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 [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-21 09:19:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-21 09:19:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-21 09:19:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-21 09:19:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-21 09:19:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-21 09:19:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-21 09:19:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-21 09:19:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-21 09:19:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-21 09:19:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:19:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:19:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-21 09:19:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-21 09:19:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-21 09:19:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-21 09:19:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-21 09:19:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-21 09:19:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-21 09:19:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-21 09:19:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:19:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:19:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:19:24,534 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:19:24,534 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 09:19:24,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:24 BoogieIcfgContainer [2019-09-21 09:19:24,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:19:24,537 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:19:24,537 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:19:24,537 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:19:24,538 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:24" (1/1) ... [2019-09-21 09:19:24,539 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:19:24,564 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:19:24,565 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:19:24,574 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:19:24,585 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:19:24,586 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:19:24,779 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 77 for LOIs [2019-09-21 09:19:24,857 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 75 for LOIs [2019-09-21 09:19:26,266 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 78 for LOIs [2019-09-21 09:19:26,504 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 33 for LOIs [2019-09-21 09:19:26,560 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 15 for LOIs [2019-09-21 09:19:26,562 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:19:26,563 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:19:26,565 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1400#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= ~q_free~0 1) (<= 2 ~q_read_ev~0) (<= ~q_read_ev~0 2) (<= 1 ~q_free~0)) [2019-09-21 09:19:26,580 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:19:26,580 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:19:26,585 INFO L168 Benchmark]: Toolchain (without parser) took 3228.61 ms. Allocated memory was 130.5 MB in the beginning and 268.4 MB in the end (delta: 137.9 MB). Free memory was 86.2 MB in the beginning and 139.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,589 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.70 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 178.2 MB in the end (delta: -92.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,592 INFO L168 Benchmark]: Boogie Preprocessor took 49.76 ms. Allocated memory is still 198.7 MB. Free memory was 178.2 MB in the beginning and 173.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,593 INFO L168 Benchmark]: RCFGBuilder took 710.72 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 136.4 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,599 INFO L168 Benchmark]: Sifa took 2043.89 ms. Allocated memory was 198.7 MB in the beginning and 268.4 MB in the end (delta: 69.7 MB). Free memory was 135.8 MB in the beginning and 139.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:26,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.70 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 178.2 MB in the end (delta: -92.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.76 ms. Allocated memory is still 198.7 MB. Free memory was 178.2 MB in the beginning and 173.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 710.72 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 136.4 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Sifa took 2043.89 ms. Allocated memory was 198.7 MB in the beginning and 268.4 MB in the end (delta: 69.7 MB). Free memory was 135.8 MB in the beginning and 139.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 65.7 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]: 2001, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1028, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 796, TOOLS_POST_TIME[ms]: 236, TOOLS_POST_CALL_APPLICATIONS: 162, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 156, TOOLS_POST_RETURN_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1093, TOOLS_QUANTIFIERELIM_TIME[ms]: 432, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 1116, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 255, DOMAIN_JOIN_TIME[ms]: 811, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 29, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 88, DOMAIN_ISSUBSETEQ_TIME[ms]: 80, DOMAIN_ISBOTTOM_APPLICATIONS: 144, DOMAIN_ISBOTTOM_TIME[ms]: 219, LOOP_SUMMARIZER_APPLICATIONS: 59, LOOP_SUMMARIZER_CACHE_MISSES: 59, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1317, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1315, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 88, CALL_SUMMARIZER_APPLICATIONS: 156, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1429, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1429, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 62, DAG_COMPRESSION_PROCESSED_NODES: 709, DAG_COMPRESSION_RETAINED_NODES: 320 - 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 1400#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= ~q_free~0 1) (<= 2 ~q_read_ev~0) (<= ~q_read_ev~0 2) (<= 1 ~q_free~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...