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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:44:41,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:44:41,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:44:41,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:44:41,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:44:41,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:44:41,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:44:41,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:44:41,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:44:41,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:44:41,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:44:41,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:44:41,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:44:41,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:44:41,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:44:41,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:44:41,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:44:41,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:44:41,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:44:41,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:44:41,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:44:41,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:44:41,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:44:41,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:44:41,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:44:41,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:44:41,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:44:41,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:44:41,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:44:41,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:44:41,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:44:41,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:44:41,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:44:41,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:44:41,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:44:41,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:44:41,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:44:41,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:44:41,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:44:41,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:44:41,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:44:41,984 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 18:44:42,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:44:42,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:44:42,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:44:42,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:44:42,014 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:44:42,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:44:42,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:44:42,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:44:42,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:44:42,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:44:42,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:44:42,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:44:42,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:44:42,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:44:42,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:44:42,017 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:44:42,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:44:42,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:44:42,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:44:42,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:44:42,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:44:42,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:44:42,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:44:42,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:44:42,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:44:42,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:44:42,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:44:42,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:44:42,020 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 -> SequenceOfStatements 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 18:44:42,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:44:42,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:44:42,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:44:42,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:44:42,100 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:44:42,101 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 18:44:42,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d518c9c7/ede63d8cc397484bb40b1939f6a84c02/FLAGdf73ab957 [2019-09-20 18:44:42,638 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:44:42,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 18:44:42,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d518c9c7/ede63d8cc397484bb40b1939f6a84c02/FLAGdf73ab957 [2019-09-20 18:44:42,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d518c9c7/ede63d8cc397484bb40b1939f6a84c02 [2019-09-20 18:44:42,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:44:42,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:44:42,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:44:42,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:44:42,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:44:42,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:44:42" (1/1) ... [2019-09-20 18:44:42,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a57d9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:42, skipping insertion in model container [2019-09-20 18:44:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:44:42" (1/1) ... [2019-09-20 18:44:42,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:44:42,723 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:44:42,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:44:42,935 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:44:43,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:44:43,121 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:44:43,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43 WrapperNode [2019-09-20 18:44:43,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:44:43,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:44:43,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:44:43,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:44:43,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:44:43,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:44:43,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:44:43,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:44:43,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:44:43" (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 18:44:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 18:44:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:44:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:44:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:44:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:44:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:44:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:44:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:44:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:44:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 18:44:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:44:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:44:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:44:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:44:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:44:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:44:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:44:43,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:44:43,731 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 18:44:43,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:44:43 BoogieIcfgContainer [2019-09-20 18:44:43,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:44:43,733 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:44:43,733 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:44:43,734 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:44:43,735 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:44:43" (1/1) ... [2019-09-20 18:44:43,736 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:44:43,758 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:44:43,758 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:44:43,767 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:44:43,775 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:44:43,777 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:44:43,998 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 18:44:44,040 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 18:44:44,936 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 18:44:46,235 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2019-09-20 18:44:46,574 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2019-09-20 18:44:47,685 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:47,856 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:48,063 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:48,457 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:48,610 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 18:44:48,915 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:49,254 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:49,623 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:49,845 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:50,134 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:44:50,313 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2019-09-20 18:44:50,451 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-09-20 18:44:50,628 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:50,829 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:51,206 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:51,352 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 18:44:51,595 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:51,767 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:51,983 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:52,378 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:52,769 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:53,070 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:53,410 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:53,644 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:53,937 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:44:54,318 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:54,517 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:54,862 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:55,012 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 18:44:55,272 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:55,437 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:55,694 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:56,050 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:56,445 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:56,600 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 18:44:56,816 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:57,243 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:57,528 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:44:57,903 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:44:58,446 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 18:44:58,736 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:58,919 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:44:59,116 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:44:59,508 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:44:59,888 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:00,206 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:00,543 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:00,774 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:01,059 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:45:01,426 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:02,375 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2019-09-20 18:45:02,724 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2019-09-20 18:45:03,377 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:03,543 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:03,760 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:04,134 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:04,523 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:04,836 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:05,196 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:05,418 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:05,701 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:45:06,070 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:06,279 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:06,664 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:07,034 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:07,199 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:07,417 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:07,779 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:08,163 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:08,473 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:08,822 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:09,047 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:09,330 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:45:09,703 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:09,895 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:10,261 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:10,688 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:10,879 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:11,056 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:11,418 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:11,571 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-20 18:45:11,820 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:12,133 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:12,320 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-09-20 18:45:12,518 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:12,748 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:13,037 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:45:13,637 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-20 18:45:13,926 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:14,091 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:14,289 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:14,657 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:15,036 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-09-20 18:45:15,374 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-20 18:45:15,727 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:15,946 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-09-20 18:45:16,234 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 18:45:16,608 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-20 18:45:16,870 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 18:45:17,526 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2019-09-20 18:45:17,663 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:45:17,879 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-09-20 18:45:17,961 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-20 18:45:18,100 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-09-20 18:45:18,275 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 18:45:18,516 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 18:45:18,773 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 18:45:19,085 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 18:45:19,502 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-20 18:45:19,970 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-20 18:45:20,250 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-20 18:45:20,654 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 18:45:21,001 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 18:45:21,676 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:22,222 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 18:45:22,508 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 18:45:22,978 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 18:45:23,332 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 18:45:23,983 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-20 18:45:24,167 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 18:45:24,782 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 17 for LOIs [2019-09-20 18:45:24,846 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 26 for LOIs [2019-09-20 18:45:24,944 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 19 for LOIs [2019-09-20 18:45:24,985 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 18:45:24,986 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:45:24,986 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:45:24,989 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2275#true [2019-09-20 18:45:24,998 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:45:24,999 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:45:25,000 INFO L168 Benchmark]: Toolchain (without parser) took 42324.23 ms. Allocated memory was 131.1 MB in the beginning and 453.0 MB in the end (delta: 321.9 MB). Free memory was 86.3 MB in the beginning and 110.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 297.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,001 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.34 ms. Allocated memory was 131.1 MB in the beginning and 201.9 MB in the end (delta: 70.8 MB). Free memory was 86.1 MB in the beginning and 176.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,003 INFO L168 Benchmark]: Boogie Preprocessor took 46.96 ms. Allocated memory is still 201.9 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,004 INFO L168 Benchmark]: RCFGBuilder took 563.01 ms. Allocated memory is still 201.9 MB. Free memory was 173.2 MB in the beginning and 140.4 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,004 INFO L168 Benchmark]: Sifa took 41265.36 ms. Allocated memory was 201.9 MB in the beginning and 453.0 MB in the end (delta: 251.1 MB). Free memory was 140.4 MB in the beginning and 110.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 281.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:25,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.34 ms. Allocated memory was 131.1 MB in the beginning and 201.9 MB in the end (delta: 70.8 MB). Free memory was 86.1 MB in the beginning and 176.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.96 ms. Allocated memory is still 201.9 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.01 ms. Allocated memory is still 201.9 MB. Free memory was 173.2 MB in the beginning and 140.4 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Sifa took 41265.36 ms. Allocated memory was 201.9 MB in the beginning and 453.0 MB in the end (delta: 251.1 MB). Free memory was 140.4 MB in the beginning and 110.5 MB in the end (delta: 29.9 MB). Peak memory consumption was 281.1 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]: 41232, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1359, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 1012, TOOLS_POST_TIME[ms]: 428, TOOLS_POST_CALL_APPLICATIONS: 233, TOOLS_POST_CALL_TIME[ms]: 661, TOOLS_POST_RETURN_APPLICATIONS: 223, TOOLS_POST_RETURN_TIME[ms]: 151, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1466, TOOLS_QUANTIFIERELIM_TIME[ms]: 1001, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 1450, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 342, DOMAIN_JOIN_TIME[ms]: 39130, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 29, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 187, DOMAIN_ISSUBSETEQ_APPLICATIONS: 91, DOMAIN_ISSUBSETEQ_TIME[ms]: 86, DOMAIN_ISBOTTOM_APPLICATIONS: 223, DOMAIN_ISBOTTOM_TIME[ms]: 314, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 35388, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35387, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 91, CALL_SUMMARIZER_APPLICATIONS: 223, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32630, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32629, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 897, DAG_COMPRESSION_RETAINED_NODES: 385 - 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 2275#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...