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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 14:30:41,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 14:30:41,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 14:30:41,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 14:30:41,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 14:30:41,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 14:30:41,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 14:30:41,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 14:30:41,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 14:30:41,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 14:30:41,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 14:30:41,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 14:30:41,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 14:30:41,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 14:30:41,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 14:30:41,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 14:30:41,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 14:30:41,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 14:30:41,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 14:30:41,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 14:30:41,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 14:30:41,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 14:30:41,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 14:30:41,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 14:30:41,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 14:30:41,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 14:30:41,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 14:30:41,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 14:30:41,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 14:30:41,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 14:30:41,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 14:30:41,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 14:30:41,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 14:30:41,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 14:30:41,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 14:30:41,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 14:30:41,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 14:30:41,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 14:30:41,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 14:30:41,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 14:30:41,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 14:30:41,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-04 14:30:41,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 14:30:41,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 14:30:41,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 14:30:41,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 14:30:41,893 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 14:30:41,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 14:30:41,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 14:30:41,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 14:30:41,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 14:30:41,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 14:30:41,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 14:30:41,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 14:30:41,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 14:30:41,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 14:30:41,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 14:30:41,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 14:30:41,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 14:30:41,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 14:30:41,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 14:30:41,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 14:30:41,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 14:30:41,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:30:41,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 14:30:41,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 14:30:41,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 14:30:41,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 14:30:41,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 14:30:41,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 14:30:41,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 14:30:41,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 14:30:41,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 14:30:41,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 14:30:41,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 14:30:41,947 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 14:30:41,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-10-04 14:30:42,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fb33b8/14f2a5d1d20c4c48a95b4bcb76b5e0d0/FLAG480455a3c [2019-10-04 14:30:42,435 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 14:30:42,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-10-04 14:30:42,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fb33b8/14f2a5d1d20c4c48a95b4bcb76b5e0d0/FLAG480455a3c [2019-10-04 14:30:42,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fb33b8/14f2a5d1d20c4c48a95b4bcb76b5e0d0 [2019-10-04 14:30:42,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 14:30:42,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 14:30:42,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 14:30:42,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 14:30:42,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 14:30:42,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:30:42" (1/1) ... [2019-10-04 14:30:42,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bd23e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:42, skipping insertion in model container [2019-10-04 14:30:42,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:30:42" (1/1) ... [2019-10-04 14:30:42,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 14:30:42,934 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 14:30:43,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:30:43,155 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 14:30:43,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:30:43,297 INFO L192 MainTranslator]: Completed translation [2019-10-04 14:30:43,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43 WrapperNode [2019-10-04 14:30:43,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 14:30:43,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 14:30:43,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 14:30:43,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 14:30:43,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (1/1) ... [2019-10-04 14:30:43,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 14:30:43,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 14:30:43,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 14:30:43,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 14:30:43,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:30:43" (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 [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-10-04 14:30:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-04 14:30:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-04 14:30:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-04 14:30:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-04 14:30:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 14:30:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 14:30:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-10-04 14:30:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-04 14:30:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-04 14:30:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-04 14:30:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-04 14:30:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-04 14:30:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-04 14:30:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 14:30:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 14:30:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 14:30:43,999 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 14:30:44,000 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-04 14:30:44,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:30:44 BoogieIcfgContainer [2019-10-04 14:30:44,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 14:30:44,002 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 14:30:44,002 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 14:30:44,002 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 14:30:44,004 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:30:44" (1/1) ... [2019-10-04 14:30:44,004 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 14:30:44,029 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 14:30:44,030 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 14:30:44,047 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 14:30:44,060 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 14:30:44,062 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 14:30:44,375 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 72 for LOIs [2019-10-04 14:30:44,475 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 70 for LOIs [2019-10-04 14:30:47,103 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 49 for LOIs [2019-10-04 14:30:47,773 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 35 for LOIs [2019-10-04 14:30:47,913 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 30 for LOIs [2019-10-04 14:30:47,920 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 14:30:47,921 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 14:30:47,923 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2226#(and (or (and (= ~q_read_ev~0 2) (<= ~p_dw_i~0 1) (= ~q_free~0 1) (<= 1 ~p_dw_i~0) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~q_free~0 1) (= ~p_dw_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (<= ~p_dw_i~0 1) (= ~q_free~0 1) (<= 1 ~p_dw_i~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~q_free~0 1) (= ~p_dw_i~0 1))) (<= 2 ~q_read_ev~0) (<= ~q_read_ev~0 2) (<= 1 ~q_free~0)) [2019-10-04 14:30:47,939 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 14:30:47,939 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 14:30:47,943 INFO L168 Benchmark]: Toolchain (without parser) took 5078.02 ms. Allocated memory was 130.0 MB in the beginning and 360.7 MB in the end (delta: 230.7 MB). Free memory was 85.1 MB in the beginning and 165.3 MB in the end (delta: -80.2 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,946 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.64 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 173.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,949 INFO L168 Benchmark]: Boogie Preprocessor took 44.21 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 171.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,951 INFO L168 Benchmark]: RCFGBuilder took 658.14 ms. Allocated memory is still 197.7 MB. Free memory was 171.1 MB in the beginning and 133.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,958 INFO L168 Benchmark]: Sifa took 3937.05 ms. Allocated memory was 197.7 MB in the beginning and 360.7 MB in the end (delta: 163.1 MB). Free memory was 133.9 MB in the beginning and 165.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2019-10-04 14:30:47,967 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 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 434.64 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 173.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.21 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 171.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 658.14 ms. Allocated memory is still 197.7 MB. Free memory was 171.1 MB in the beginning and 133.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Sifa took 3937.05 ms. Allocated memory was 197.7 MB in the beginning and 360.7 MB in the end (delta: 163.1 MB). Free memory was 133.9 MB in the beginning and 165.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 131.6 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]: 3894, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 900, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 684, TOOLS_POST_TIME[ms]: 242, TOOLS_POST_CALL_APPLICATIONS: 146, TOOLS_POST_CALL_TIME[ms]: 292, TOOLS_POST_RETURN_APPLICATIONS: 140, TOOLS_POST_RETURN_TIME[ms]: 160, TOOLS_QUANTIFIERELIM_APPLICATIONS: 947, TOOLS_QUANTIFIERELIM_TIME[ms]: 493, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 972, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 219, DOMAIN_JOIN_TIME[ms]: 2573, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 111, DOMAIN_ISSUBSETEQ_APPLICATIONS: 72, DOMAIN_ISSUBSETEQ_TIME[ms]: 82, DOMAIN_ISBOTTOM_APPLICATIONS: 128, DOMAIN_ISBOTTOM_TIME[ms]: 194, LOOP_SUMMARIZER_APPLICATIONS: 59, LOOP_SUMMARIZER_CACHE_MISSES: 59, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2780, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2779, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 72, CALL_SUMMARIZER_APPLICATIONS: 140, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2761, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2759, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 54, 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 2226#(and (or (and (= ~q_read_ev~0 2) (<= ~p_dw_i~0 1) (= ~q_free~0 1) (<= 1 ~p_dw_i~0) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~q_free~0 1) (= ~p_dw_i~0 1) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (<= ~p_dw_i~0 1) (= ~q_free~0 1) (<= 1 ~p_dw_i~0) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_dr_i~0 1) (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~q_free~0 1) (= ~p_dw_i~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...