java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.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 17:43:33,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:43:33,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:43:33,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:43:33,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:43:33,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:43:33,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:43:33,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:43:33,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:43:33,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:43:33,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:43:33,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:43:33,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:43:33,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:43:33,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:43:33,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:43:33,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:43:33,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:43:33,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:43:33,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:43:33,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:43:33,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:43:33,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:43:33,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:43:33,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:43:33,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:43:33,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:43:33,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:43:33,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:43:33,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:43:33,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:43:33,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:43:33,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:43:33,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:43:33,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:43:33,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:43:33,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:43:33,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:43:33,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:43:33,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:43:33,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:43:33,756 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 17:43:33,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:43:33,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:43:33,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:43:33,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:43:33,782 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:43:33,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:43:33,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:43:33,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:43:33,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:43:33,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:43:33,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:43:33,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:43:33,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:43:33,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:43:33,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:43:33,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:43:33,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:43:33,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:43:33,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:43:33,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:43:33,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:43:33,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:43:33,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:43:33,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:43:33,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:43:33,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:43:33,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:43:33,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:43:33,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:43:33,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:43:33,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:43:33,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:43:33,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:43:33,854 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:43:33,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 17:43:33,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8291f098b/da3902b1e15344d68f997d5b91a982ba/FLAG78746c845 [2019-09-20 17:43:34,373 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:43:34,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 17:43:34,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8291f098b/da3902b1e15344d68f997d5b91a982ba/FLAG78746c845 [2019-09-20 17:43:34,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8291f098b/da3902b1e15344d68f997d5b91a982ba [2019-09-20 17:43:34,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:43:34,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:43:34,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:34,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:43:34,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:43:34,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:34" (1/1) ... [2019-09-20 17:43:34,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a6592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:34, skipping insertion in model container [2019-09-20 17:43:34,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:43:34" (1/1) ... [2019-09-20 17:43:34,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:43:34,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:43:35,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:35,037 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:43:35,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:43:35,229 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:43:35,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35 WrapperNode [2019-09-20 17:43:35,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:43:35,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:43:35,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:43:35,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:43:35,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (1/1) ... [2019-09-20 17:43:35,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:43:35,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:43:35,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:43:35,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:43:35,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:43:35" (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 17:43:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:43:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:43:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 17:43:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 17:43:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 17:43:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 17:43:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 17:43:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 17:43:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 17:43:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 17:43:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 17:43:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 17:43:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 17:43:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 17:43:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 17:43:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 17:43:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 17:43:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 17:43:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 17:43:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:43:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:43:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:43:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 17:43:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 17:43:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 17:43:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 17:43:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 17:43:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 17:43:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:43:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:43:36,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:43:36,124 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 17:43:36,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:36 BoogieIcfgContainer [2019-09-20 17:43:36,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:43:36,126 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:43:36,126 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:43:36,127 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:43:36,128 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:43:36" (1/1) ... [2019-09-20 17:43:36,129 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:43:36,162 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:43:36,162 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:43:36,176 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:43:36,187 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:43:36,189 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:43:36,507 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 17:43:36,741 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-20 17:43:36,768 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 77 for LOIs [2019-09-20 17:43:36,954 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 76 for LOIs [2019-09-20 17:43:37,794 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 17:43:38,000 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 17:43:40,086 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-20 17:43:41,803 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-09-20 17:43:42,677 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-20 17:43:42,779 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:43:42,883 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:43:43,213 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-20 17:43:43,754 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-20 17:43:44,015 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:43:44,595 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-20 17:43:44,604 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 75 for LOIs [2019-09-20 17:43:45,034 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2019-09-20 17:43:45,224 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:43:45,598 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-20 17:43:46,006 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2019-09-20 17:43:46,179 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:43:46,546 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-20 17:43:47,138 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2019-09-20 17:43:47,427 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:43:48,037 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2019-09-20 17:43:48,728 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-09-20 17:43:49,066 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:43:49,803 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2019-09-20 17:43:50,167 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:43:50,527 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:43:51,250 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2019-09-20 17:43:51,927 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2019-09-20 17:43:52,266 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:43:52,987 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2019-09-20 17:43:53,471 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-09-20 17:43:53,641 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:43:54,022 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-20 17:43:54,449 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-09-20 17:43:54,625 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:43:55,006 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-20 17:43:55,584 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2019-09-20 17:43:55,869 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:43:56,314 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2019-09-20 17:43:57,073 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2019-09-20 17:43:57,300 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:43:57,745 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2019-09-20 17:43:57,958 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:43:58,174 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:43:58,622 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2019-09-20 17:43:59,087 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-09-20 17:43:59,261 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:43:59,646 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-20 17:43:59,827 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:43:59,999 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:44:00,364 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-20 17:44:00,377 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 76 for LOIs [2019-09-20 17:44:00,553 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-09-20 17:44:00,753 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-20 17:44:00,936 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-09-20 17:44:01,128 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-20 17:44:01,390 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-09-20 17:44:01,702 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:44:01,944 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-09-20 17:44:02,261 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:44:02,660 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:03,024 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:03,403 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-20 17:44:03,588 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:44:03,956 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-20 17:44:04,335 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:04,695 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:05,110 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2019-09-20 17:44:05,225 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:44:05,513 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-09-20 17:44:05,682 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 42 [2019-09-20 17:44:06,249 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:06,619 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:06,981 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-20 17:44:07,167 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:44:07,560 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-20 17:44:07,948 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:08,310 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-20 17:44:08,727 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2019-09-20 17:44:08,845 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:44:09,127 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-20 17:44:09,300 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-20 17:44:09,319 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 8 for LOIs [2019-09-20 17:44:09,345 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:44:09,345 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:44:09,348 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 800#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0)) [2019-09-20 17:44:09,359 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:44:09,359 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:44:09,360 INFO L168 Benchmark]: Toolchain (without parser) took 34601.82 ms. Allocated memory was 134.2 MB in the beginning and 475.0 MB in the end (delta: 340.8 MB). Free memory was 90.1 MB in the beginning and 421.3 MB in the end (delta: -331.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:09,361 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:44:09,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.95 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 89.8 MB in the beginning and 173.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:09,363 INFO L168 Benchmark]: Boogie Preprocessor took 54.33 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 171.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:09,364 INFO L168 Benchmark]: RCFGBuilder took 840.35 ms. Allocated memory is still 198.7 MB. Free memory was 171.5 MB in the beginning and 122.0 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:09,364 INFO L168 Benchmark]: Sifa took 33232.58 ms. Allocated memory was 198.7 MB in the beginning and 475.0 MB in the end (delta: 276.3 MB). Free memory was 122.0 MB in the beginning and 421.3 MB in the end (delta: -299.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:44:09,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 470.95 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 89.8 MB in the beginning and 173.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.33 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 171.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 840.35 ms. Allocated memory is still 198.7 MB. Free memory was 171.5 MB in the beginning and 122.0 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 33232.58 ms. Allocated memory was 198.7 MB in the beginning and 475.0 MB in the end (delta: 276.3 MB). Free memory was 122.0 MB in the beginning and 421.3 MB in the end (delta: -299.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 33187, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 315, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 220, TOOLS_POST_TIME[ms]: 95, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 257, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 85, TOOLS_QUANTIFIERELIM_APPLICATIONS: 355, TOOLS_QUANTIFIERELIM_TIME[ms]: 322, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 327, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 107, DOMAIN_JOIN_TIME[ms]: 28779, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 3605, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 79, DOMAIN_ISBOTTOM_TIME[ms]: 169, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23334, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23334, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6024, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6022, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 213 - 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 800#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...