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_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:43:25,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:43:25,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:43:25,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:43:25,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:43:25,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:43:25,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:43:25,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:43:25,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:43:25,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:43:25,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:43:25,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:43:25,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:43:25,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:43:25,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:43:25,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:43:25,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:43:25,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:43:25,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:43:25,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:43:25,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:43:25,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:43:25,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:43:25,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:43:25,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:43:25,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:43:25,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:43:25,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:43:25,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:43:25,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:43:25,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:43:25,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:43:25,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:43:25,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:43:25,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:43:25,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:43:25,086 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 19:43:25,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:43:25,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:43:25,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:43:25,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:43:25,102 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:43:25,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:43:25,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:43:25,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:43:25,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:43:25,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:43:25,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:43:25,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:43:25,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:43:25,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:43:25,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:43:25,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:43:25,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:43:25,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:43:25,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:43:25,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:43:25,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:43:25,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:43:25,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:43:25,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:43:25,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:43:25,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:43:25,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:43:25,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:43:25,107 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 19:43:25,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:43:25,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:43:25,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:43:25,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:43:25,155 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:43:25,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 19:43:25,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c175d420/e5a3aa10363a440e8d521874df8bcf7b/FLAG6ffad688f [2019-09-20 19:43:25,678 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:43:25,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 19:43:25,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c175d420/e5a3aa10363a440e8d521874df8bcf7b/FLAG6ffad688f [2019-09-20 19:43:26,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c175d420/e5a3aa10363a440e8d521874df8bcf7b [2019-09-20 19:43:26,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:43:26,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:43:26,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:26,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:43:26,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:43:26,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de0b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26, skipping insertion in model container [2019-09-20 19:43:26,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,088 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:43:26,134 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:43:26,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:26,376 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:43:26,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:43:26,515 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:43:26,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26 WrapperNode [2019-09-20 19:43:26,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:43:26,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:43:26,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:43:26,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:43:26,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (1/1) ... [2019-09-20 19:43:26,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:43:26,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:43:26,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:43:26,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:43:26,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:43:26" (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 19:43:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:43:26,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 19:43:26,606 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 19:43:26,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 19:43:26,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 19:43:26,608 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 19:43:26,609 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 19:43:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 19:43:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 19:43:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:43:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:43:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:43:27,093 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:43:27,094 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 19:43:27,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:27 BoogieIcfgContainer [2019-09-20 19:43:27,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:43:27,096 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:43:27,096 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:43:27,096 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:43:27,097 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:43:27" (1/1) ... [2019-09-20 19:43:27,098 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 19:43:27,117 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:43:27,117 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:43:27,126 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:43:27,135 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:43:27,136 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:43:27,327 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 19:43:27,427 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 19:43:28,642 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 19:43:28,812 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2019-09-20 19:43:28,990 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 19:43:29,491 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 19:43:30,270 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 19:43:30,452 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:31,119 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 19:43:31,355 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:43:31,855 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 19:43:32,068 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-20 19:43:32,650 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:32,820 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-20 19:43:33,418 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 19:43:33,612 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-20 19:43:34,196 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:34,893 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-20 19:43:35,022 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:43:35,028 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 63 for LOIs [2019-09-20 19:43:35,366 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-20 19:43:35,474 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 19:43:35,769 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2019-09-20 19:43:35,912 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 19:43:36,203 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2019-09-20 19:43:36,337 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 19:43:36,566 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:43:36,767 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:43:37,315 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-20 19:43:37,921 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:38,192 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 19:43:38,423 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:43:38,893 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 19:43:39,084 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 19:43:39,643 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:39,805 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2019-09-20 19:43:40,531 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 19:43:40,721 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 19:43:41,316 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 19:43:41,499 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 27 for LOIs [2019-09-20 19:43:41,856 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:43:42,025 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:43:42,262 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 19:43:42,635 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 19:43:42,977 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 19:43:43,025 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 39 for LOIs [2019-09-20 19:43:43,125 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:43:43,126 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:43:43,129 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1320#(or (and (= ~q_read_ev~0 2) (or (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (not (= 1 ~p_dw_pc~0))) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (= 0 ~p_dw_st~0)) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (or (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (not (= 1 ~p_dw_pc~0))) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (= 0 ~p_dw_st~0)) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))) [2019-09-20 19:43:43,145 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:43:43,145 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:43:43,147 INFO L168 Benchmark]: Toolchain (without parser) took 17077.26 ms. Allocated memory was 133.7 MB in the beginning and 408.9 MB in the end (delta: 275.3 MB). Free memory was 89.4 MB in the beginning and 241.2 MB in the end (delta: -151.8 MB). Peak memory consumption was 123.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,148 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.88 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 176.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,149 INFO L168 Benchmark]: Boogie Preprocessor took 38.21 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 174.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,150 INFO L168 Benchmark]: RCFGBuilder took 541.10 ms. Allocated memory is still 200.3 MB. Free memory was 174.1 MB in the beginning and 142.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,151 INFO L168 Benchmark]: Sifa took 16049.20 ms. Allocated memory was 200.3 MB in the beginning and 408.9 MB in the end (delta: 208.7 MB). Free memory was 142.4 MB in the beginning and 241.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:43:43,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.88 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 176.0 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.21 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 174.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 541.10 ms. Allocated memory is still 200.3 MB. Free memory was 174.1 MB in the beginning and 142.4 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Sifa took 16049.20 ms. Allocated memory was 200.3 MB in the beginning and 408.9 MB in the end (delta: 208.7 MB). Free memory was 142.4 MB in the beginning and 241.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 109.9 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]: 16012, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 819, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 716, TOOLS_POST_TIME[ms]: 162, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 195, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 867, TOOLS_QUANTIFIERELIM_TIME[ms]: 290, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 839, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 191, DOMAIN_JOIN_TIME[ms]: 14908, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 86, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 146, DOMAIN_ISBOTTOM_TIME[ms]: 346, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12709, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12708, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7278, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7277, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 60, DAG_COMPRESSION_PROCESSED_NODES: 974, DAG_COMPRESSION_RETAINED_NODES: 455 - 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 1320#(or (and (= ~q_read_ev~0 2) (or (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (not (= 1 ~p_dw_pc~0))) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (= 0 ~p_dw_st~0)) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0))) (and (= ~q_read_ev~0 2) (not (= ~c_num_read~0 ~p_num_write~0)) (or (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (not (= 1 ~p_dw_pc~0))) (and (or (not (= ~c_dr_pc~0 1)) (not (= ~q_write_ev~0 1))) (= 0 ~p_dw_st~0)) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= ~c_dr_st~0 0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...