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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:43:37,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:43:37,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:43:37,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:43:37,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:43:37,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:43:37,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:43:37,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:43:37,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:43:37,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:43:37,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:43:37,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:43:37,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:43:37,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:43:37,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:43:37,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:43:37,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:43:37,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:43:37,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:43:37,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:43:37,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:43:37,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:43:37,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:43:37,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:43:37,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:43:37,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:43:37,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:43:37,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:43:37,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:43:37,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:43:37,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:43:37,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:43:37,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:43:37,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:43:37,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:43:37,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:43:37,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:43:37,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:43:37,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:43:37,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:43:37,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:43:37,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:43:37,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:43:37,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:43:37,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:43:37,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:43:37,920 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:43:37,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:43:37,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:43:37,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:43:37,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:43:37,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:43:37,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:43:37,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:43:37,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:43:37,922 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:43:37,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:43:37,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:43:37,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:43:37,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:43:37,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:43:37,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:43:37,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:43:37,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:37,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:43:37,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:43:37,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:43:37,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:43:37,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:43:37,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:43:37,925 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:43:37,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:43:37,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:43:37,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:43:37,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:43:37,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:43:37,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 19:43:38,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef9a065b7/f6fbe05038694382b79ad3803748a025/FLAG2d116dbfb [2019-09-20 19:43:38,518 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:43:38,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 19:43:38,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef9a065b7/f6fbe05038694382b79ad3803748a025/FLAG2d116dbfb [2019-09-20 19:43:38,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef9a065b7/f6fbe05038694382b79ad3803748a025 [2019-09-20 19:43:38,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:43:38,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:43:38,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:38,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:43:38,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:43:38,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:38" (1/1) ... [2019-09-20 19:43:38,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616dfd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:38, skipping insertion in model container [2019-09-20 19:43:38,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:38" (1/1) ... [2019-09-20 19:43:38,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:43:38,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:43:39,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:39,205 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:43:39,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:39,370 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:43:39,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39 WrapperNode [2019-09-20 19:43:39,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:39,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:43:39,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:43:39,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:43:39,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... [2019-09-20 19:43:39,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:43:39,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:43:39,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:43:39,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:43:39,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:43:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:43:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 19:43:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 19:43:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 19:43:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 19:43:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 19:43:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 19:43:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 19:43:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 19:43:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 19:43:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 19:43:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 19:43:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 19:43:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 19:43:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 19:43:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 19:43:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 19:43:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 19:43:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:43:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:43:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:43:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 19:43:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 19:43:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 19:43:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 19:43:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 19:43:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 19:43:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 19:43:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 19:43:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 19:43:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 19:43:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 19:43:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:43:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:43:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:43:40,084 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:43:40,084 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:43:40,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:40 BoogieIcfgContainer [2019-09-20 19:43:40,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:43:40,087 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:43:40,087 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:43:40,087 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:43:40,088 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:40" (1/1) ... [2019-09-20 19:43:40,089 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 [2019-09-20 19:43:40,117 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:43:40,118 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:43:40,133 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:43:40,141 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:43:40,142 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:43:40,347 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-20 19:43:40,446 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 19:43:41,349 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 19:43:43,996 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 19:43:44,213 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:43:44,377 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:43:45,726 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 63 for LOIs [2019-09-20 19:43:46,289 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-20 19:43:46,408 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:46,681 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-20 19:43:46,799 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:47,040 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-20 19:43:47,171 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:47,431 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-20 19:43:47,575 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:47,828 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-20 19:43:47,963 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:48,101 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2019-09-20 19:43:48,455 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 19:43:48,571 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:49,007 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 19:43:49,160 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:49,450 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 19:43:49,559 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:49,902 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 19:43:50,025 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:50,241 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 19:43:50,579 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 19:43:51,003 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 19:43:51,115 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:43:51,329 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 19:43:51,446 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:43:51,472 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 48 for LOIs [2019-09-20 19:43:51,624 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 19:43:51,800 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 19:43:52,053 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 19:43:52,360 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 19:43:52,571 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 19:43:52,789 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2019-09-20 19:43:53,153 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-20 19:43:53,172 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 10 for LOIs [2019-09-20 19:43:53,184 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:43:53,184 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:43:53,187 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2946#(or (and (= ~q_free~0 1) (= ~q_req_up~0 1)) (= ~p_dw_st~0 0)) [2019-09-20 19:43:53,202 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:43:53,203 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:43:53,204 INFO L168 Benchmark]: Toolchain (without parser) took 14278.91 ms. Allocated memory was 131.1 MB in the beginning and 428.9 MB in the end (delta: 297.8 MB). Free memory was 86.2 MB in the beginning and 147.0 MB in the end (delta: -60.8 MB). Peak memory consumption was 237.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,205 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.44 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.9 MB in the beginning and 173.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,207 INFO L168 Benchmark]: Boogie Preprocessor took 45.59 ms. Allocated memory is still 198.2 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,207 INFO L168 Benchmark]: RCFGBuilder took 669.63 ms. Allocated memory is still 198.2 MB. Free memory was 170.5 MB in the beginning and 132.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,208 INFO L168 Benchmark]: Sifa took 13116.14 ms. Allocated memory was 198.2 MB in the beginning and 428.9 MB in the end (delta: 230.7 MB). Free memory was 132.8 MB in the beginning and 147.0 MB in the end (delta: -14.2 MB). Peak memory consumption was 216.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:53,213 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 444.44 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.9 MB in the beginning and 173.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.59 ms. Allocated memory is still 198.2 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 669.63 ms. Allocated memory is still 198.2 MB. Free memory was 170.5 MB in the beginning and 132.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Sifa took 13116.14 ms. Allocated memory was 198.2 MB in the beginning and 428.9 MB in the end (delta: 230.7 MB). Free memory was 132.8 MB in the beginning and 147.0 MB in the end (delta: -14.2 MB). Peak memory consumption was 216.5 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]: 13070, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2328, DAG_INTERPRETER_EARLY_EXITS: 74, TOOLS_POST_APPLICATIONS: 1905, TOOLS_POST_TIME[ms]: 322, TOOLS_POST_CALL_APPLICATIONS: 266, TOOLS_POST_CALL_TIME[ms]: 325, TOOLS_POST_RETURN_APPLICATIONS: 259, TOOLS_POST_RETURN_TIME[ms]: 136, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1856, TOOLS_QUANTIFIERELIM_TIME[ms]: 508, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 2468, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 253, DOMAIN_JOIN_TIME[ms]: 11315, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 327, DOMAIN_ISSUBSETEQ_APPLICATIONS: 140, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 202, DOMAIN_ISBOTTOM_TIME[ms]: 286, LOOP_SUMMARIZER_APPLICATIONS: 145, LOOP_SUMMARIZER_CACHE_MISSES: 139, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8273, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8272, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 140, CALL_SUMMARIZER_APPLICATIONS: 259, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4706, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4705, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 98, DAG_COMPRESSION_PROCESSED_NODES: 3205, DAG_COMPRESSION_RETAINED_NODES: 1164 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2946#(or (and (= ~q_free~0 1) (= ~q_req_up~0 1)) (= ~p_dw_st~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...