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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:36:30,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:36:30,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:36:30,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:36:30,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:36:30,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:36:30,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:36:30,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:36:30,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:36:30,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:36:30,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:36:30,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:36:30,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:36:30,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:36:30,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:36:30,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:36:30,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:36:30,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:36:30,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:36:30,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:36:30,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:36:30,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:36:30,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:36:30,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:36:30,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:36:30,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:36:30,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:36:30,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:36:30,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:36:30,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:36:30,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:36:30,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:36:30,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:36:30,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:36:30,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:36:30,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:36:30,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:36:30,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:36:30,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:36:30,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:36:30,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:36:30,093 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 23:36:30,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:36:30,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:36:30,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:36:30,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:36:30,116 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:36:30,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:36:30,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:36:30,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:36:30,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:36:30,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:36:30,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:36:30,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:36:30,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:36:30,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:36:30,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:36:30,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:36:30,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:36:30,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:36:30,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:36:30,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:36:30,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:36:30,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:36:30,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:36:30,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:36:30,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:36:30,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:36:30,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:36:30,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:36:30,121 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 -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:36:30,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:36:30,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:36:30,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:36:30,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:36:30,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:36:30,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 23:36:30,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e36ed2f7/35268245df8d406290b828b97dbfc101/FLAG44dac3782 [2019-09-20 23:36:30,695 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:36:30,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 23:36:30,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e36ed2f7/35268245df8d406290b828b97dbfc101/FLAG44dac3782 [2019-09-20 23:36:31,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e36ed2f7/35268245df8d406290b828b97dbfc101 [2019-09-20 23:36:31,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:36:31,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:36:31,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:31,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:36:31,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:36:31,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213716f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31, skipping insertion in model container [2019-09-20 23:36:31,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,141 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:36:31,169 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:36:31,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:31,475 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:36:31,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:31,631 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:36:31,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31 WrapperNode [2019-09-20 23:36:31,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:31,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:36:31,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:36:31,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:36:31,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:36:31,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:36:31,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:36:31,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:36:31,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:31" (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 23:36:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:36:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:36:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:36:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 23:36:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 23:36:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 23:36:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 23:36:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 23:36:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:36:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:36:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:36:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:36:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:36:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:36:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:36:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 23:36:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 23:36:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 23:36:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:36:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:36:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:36:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:36:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:36:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:36:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:36:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:36:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:36:32,401 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:36:32,402 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:36:32,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:32 BoogieIcfgContainer [2019-09-20 23:36:32,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:36:32,406 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:36:32,406 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:36:32,406 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:36:32,407 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:32" (1/1) ... [2019-09-20 23:36:32,408 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:36:32,437 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:36:32,437 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:36:32,452 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:36:32,465 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:36:32,469 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:36:32,686 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 23:36:32,789 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 23:36:33,507 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:36:35,834 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-09-20 23:36:37,490 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2019-09-20 23:36:37,954 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-09-20 23:36:38,050 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 23:36:38,637 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 23:36:38,940 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:39,538 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 23:36:39,739 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:40,034 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 23:36:40,397 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 23:36:40,623 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 23:36:41,118 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 23:36:41,314 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:41,677 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 23:36:41,881 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:42,322 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 23:36:42,512 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:43,044 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 23:36:43,294 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:43,804 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 23:36:44,056 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:44,649 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 23:36:44,817 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:45,446 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 23:36:45,615 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:45,763 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 23:36:46,543 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 23:36:46,780 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:36:47,129 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 23:36:47,304 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:36:47,790 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 23:36:48,030 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:48,429 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 23:36:48,597 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:49,031 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-20 23:36:49,217 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:36:49,643 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 23:36:49,814 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:50,215 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 23:36:50,385 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:50,692 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 23:36:51,094 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 23:36:51,304 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 23:36:51,970 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 23:36:52,156 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:36:52,515 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 23:36:52,696 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:53,105 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 23:36:53,297 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:53,878 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 23:36:54,122 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:54,624 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 23:36:54,873 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:55,458 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 23:36:55,624 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:56,049 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 23:36:56,221 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:56,364 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 23:36:56,944 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 23:36:57,188 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:36:57,567 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 23:36:57,742 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:36:58,007 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:58,244 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:36:58,998 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 23:36:59,319 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-20 23:36:59,421 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 46 for LOIs [2019-09-20 23:36:59,578 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 23:36:59,785 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 23:37:00,016 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 23:37:00,407 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-20 23:37:00,724 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 23:37:01,036 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 23:37:01,167 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 3 for LOIs [2019-09-20 23:37:01,170 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:01,170 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:01,173 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1386#(= 0 ~p_dw_st~0) [2019-09-20 23:37:01,184 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:01,184 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:01,186 INFO L168 Benchmark]: Toolchain (without parser) took 30059.20 ms. Allocated memory was 134.7 MB in the beginning and 469.2 MB in the end (delta: 334.5 MB). Free memory was 91.1 MB in the beginning and 83.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 342.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,187 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.25 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 90.9 MB in the beginning and 173.6 MB in the end (delta: -82.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,189 INFO L168 Benchmark]: Boogie Preprocessor took 47.11 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,189 INFO L168 Benchmark]: RCFGBuilder took 726.02 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 134.7 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,190 INFO L168 Benchmark]: Sifa took 28778.83 ms. Allocated memory was 198.7 MB in the beginning and 469.2 MB in the end (delta: 270.5 MB). Free memory was 134.7 MB in the beginning and 83.0 MB in the end (delta: 51.7 MB). Peak memory consumption was 322.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:01,194 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 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 504.25 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 90.9 MB in the beginning and 173.6 MB in the end (delta: -82.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.11 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 726.02 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 134.7 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Sifa took 28778.83 ms. Allocated memory was 198.7 MB in the beginning and 469.2 MB in the end (delta: 270.5 MB). Free memory was 134.7 MB in the beginning and 83.0 MB in the end (delta: 51.7 MB). Peak memory consumption was 322.2 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]: 28736, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 925, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 643, TOOLS_POST_TIME[ms]: 222, TOOLS_POST_CALL_APPLICATIONS: 188, TOOLS_POST_CALL_TIME[ms]: 342, TOOLS_POST_RETURN_APPLICATIONS: 181, TOOLS_POST_RETURN_TIME[ms]: 147, TOOLS_QUANTIFIERELIM_APPLICATIONS: 938, TOOLS_QUANTIFIERELIM_TIME[ms]: 504, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1006, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 181, DOMAIN_JOIN_TIME[ms]: 26191, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1227, DOMAIN_ISSUBSETEQ_APPLICATIONS: 81, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 153, DOMAIN_ISBOTTOM_TIME[ms]: 356, LOOP_SUMMARIZER_APPLICATIONS: 80, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22773, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22771, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 81, CALL_SUMMARIZER_APPLICATIONS: 181, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5161, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5160, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 78, DAG_COMPRESSION_PROCESSED_NODES: 853, DAG_COMPRESSION_RETAINED_NODES: 352 - 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 1386#(= 0 ~p_dw_st~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...