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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:27:47,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:27:47,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:27:47,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:27:47,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:27:47,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:27:47,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:27:47,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:27:47,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:27:47,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:27:47,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:27:47,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:27:47,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:27:47,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:27:47,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:27:47,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:27:47,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:27:47,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:27:47,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:27:47,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:27:47,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:27:47,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:27:47,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:27:47,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:27:47,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:27:47,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:27:47,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:27:47,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:27:47,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:27:47,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:27:47,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:27:47,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:27:47,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:27:47,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:27:47,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:27:47,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:27:47,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:27:47,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:27:47,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:27:47,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:27:47,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:27:47,765 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 [2019-09-17 02:27:47,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:27:47,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:27:47,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:27:47,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:27:47,791 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:27:47,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:27:47,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:27:47,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:27:47,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:27:47,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:27:47,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:27:47,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:27:47,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:27:47,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:27:47,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:27:47,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:27:47,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:27:47,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:27:47,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:27:47,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:27:47,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:27:47,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:27:47,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:27:47,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:27:47,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:27:47,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:27:47,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:27:47,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:27:47,798 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 -> 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 -> NONE [2019-09-17 02:27:47,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:27:47,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:27:47,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:27:47,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:27:47,885 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:27:47,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-17 02:27:47,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3429c3662/7d32e73f43b446939003c07934ac8fc3/FLAGcb51bfbc2 [2019-09-17 02:27:48,440 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:27:48,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-17 02:27:48,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3429c3662/7d32e73f43b446939003c07934ac8fc3/FLAGcb51bfbc2 [2019-09-17 02:27:48,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3429c3662/7d32e73f43b446939003c07934ac8fc3 [2019-09-17 02:27:48,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:27:48,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:27:48,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:27:48,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:27:48,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:27:48,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:27:48" (1/1) ... [2019-09-17 02:27:48,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51253ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:48, skipping insertion in model container [2019-09-17 02:27:48,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:27:48" (1/1) ... [2019-09-17 02:27:48,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:27:48,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:27:49,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:27:49,078 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:27:49,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:27:49,240 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:27:49,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49 WrapperNode [2019-09-17 02:27:49,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:27:49,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:27:49,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:27:49,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:27:49,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (1/1) ... [2019-09-17 02:27:49,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:27:49,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:27:49,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:27:49,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:27:49,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:49" (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 [2019-09-17 02:27:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:27:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:27:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 02:27:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-17 02:27:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-17 02:27:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-17 02:27:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-17 02:27:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-17 02:27:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-17 02:27:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 02:27:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 02:27:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 02:27:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 02:27:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 02:27:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 02:27:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-17 02:27:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-17 02:27:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 02:27:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-17 02:27:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 02:27:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 02:27:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 02:27:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:27:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:27:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:27:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 02:27:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-17 02:27:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-17 02:27:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-17 02:27:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-17 02:27:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-17 02:27:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-17 02:27:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-17 02:27:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 02:27:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 02:27:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 02:27:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 02:27:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 02:27:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 02:27:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-17 02:27:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-17 02:27:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:27:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:27:50,152 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:27:50,153 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 02:27:50,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:27:50 BoogieIcfgContainer [2019-09-17 02:27:50,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:27:50,155 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:27:50,155 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:27:50,155 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:27:50,156 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:27:50" (1/1) ... [2019-09-17 02:27:50,157 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:27:50,178 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:27:50,179 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:27:50,188 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:27:50,196 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:27:50,198 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:27:50,279 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-17 02:27:50,300 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-17 02:27:51,616 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-17 02:27:51,784 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-17 02:27:51,795 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 26 for LOIs [2019-09-17 02:27:51,797 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 29 for LOIs [2019-09-17 02:27:51,799 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 30 for LOIs [2019-09-17 02:27:51,800 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-17 02:27:51,800 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:27:51,801 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:27:51,803 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1759#true [2019-09-17 02:27:51,828 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:27:51,828 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:27:51,831 INFO L168 Benchmark]: Toolchain (without parser) took 3016.49 ms. Allocated memory was 138.4 MB in the beginning and 265.3 MB in the end (delta: 126.9 MB). Free memory was 85.5 MB in the beginning and 138.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,833 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.60 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 174.2 MB in the end (delta: -88.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,836 INFO L168 Benchmark]: Boogie Preprocessor took 59.04 ms. Allocated memory is still 198.7 MB. Free memory was 174.2 MB in the beginning and 172.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,837 INFO L168 Benchmark]: RCFGBuilder took 853.20 ms. Allocated memory is still 198.7 MB. Free memory was 172.2 MB in the beginning and 125.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,842 INFO L168 Benchmark]: Sifa took 1673.33 ms. Allocated memory was 198.7 MB in the beginning and 265.3 MB in the end (delta: 66.6 MB). Free memory was 125.0 MB in the beginning and 138.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:27:51,854 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 427.60 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.3 MB in the beginning and 174.2 MB in the end (delta: -88.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.04 ms. Allocated memory is still 198.7 MB. Free memory was 174.2 MB in the beginning and 172.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 853.20 ms. Allocated memory is still 198.7 MB. Free memory was 172.2 MB in the beginning and 125.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Sifa took 1673.33 ms. Allocated memory was 198.7 MB in the beginning and 265.3 MB in the end (delta: 66.6 MB). Free memory was 125.0 MB in the beginning and 138.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 52.9 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]: 1624, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1081, DAG_INTERPRETER_EARLY_EXITS: 44, TOOLS_POST_APPLICATIONS: 765, TOOLS_POST_TIME[ms]: 371, TOOLS_POST_CALL_APPLICATIONS: 212, TOOLS_POST_CALL_TIME[ms]: 351, TOOLS_POST_RETURN_APPLICATIONS: 202, TOOLS_POST_RETURN_TIME[ms]: 277, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1178, TOOLS_QUANTIFIERELIM_TIME[ms]: 738, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 1173, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 231, DOMAIN_JOIN_TIME[ms]: 33, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 12, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 92, DOMAIN_ISSUBSETEQ_TIME[ms]: 60, DOMAIN_ISBOTTOM_APPLICATIONS: 192, DOMAIN_ISBOTTOM_TIME[ms]: 283, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1148, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1147, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 92, CALL_SUMMARIZER_APPLICATIONS: 202, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1008, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1007, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327 - 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 1759#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...