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/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:45:10,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:45:10,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:45:10,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:45:10,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:45:10,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:45:10,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:45:10,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:45:10,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:45:10,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:45:10,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:45:10,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:45:10,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:45:10,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:45:10,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:45:10,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:45:10,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:45:10,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:45:10,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:45:10,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:45:10,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:45:10,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:45:10,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:45:10,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:45:10,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:45:10,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:45:10,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:45:10,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:45:10,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:45:10,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:45:10,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:45:10,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:45:10,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:45:10,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:45:10,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:45:10,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:45:10,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:45:10,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:45:10,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:45:10,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:45:10,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:45:10,825 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 18:45:10,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:45:10,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:45:10,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:45:10,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:45:10,842 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:45:10,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:45:10,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:45:10,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:45:10,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:45:10,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:45:10,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:45:10,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:45:10,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:45:10,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:45:10,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:45:10,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:45:10,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:45:10,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:45:10,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:45:10,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:45:10,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:45:10,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:45:10,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:45:10,846 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 18:45:10,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:45:10,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:45:10,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:45:10,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:45:10,905 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:45:10,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 18:45:10,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980387ef2/6345557a4b1a452ea2119978c6d36b82/FLAG25cf2c722 [2019-09-20 18:45:11,459 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:45:11,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 18:45:11,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980387ef2/6345557a4b1a452ea2119978c6d36b82/FLAG25cf2c722 [2019-09-20 18:45:11,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980387ef2/6345557a4b1a452ea2119978c6d36b82 [2019-09-20 18:45:11,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:45:11,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:45:11,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:11,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:45:11,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:45:11,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:11" (1/1) ... [2019-09-20 18:45:11,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f7b50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:11, skipping insertion in model container [2019-09-20 18:45:11,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:45:11" (1/1) ... [2019-09-20 18:45:11,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:45:11,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:45:12,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:12,076 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:45:12,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:45:12,229 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:45:12,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12 WrapperNode [2019-09-20 18:45:12,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:45:12,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:45:12,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:45:12,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:45:12,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:45:12,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:45:12,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:45:12,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:45:12,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:45:12" (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 18:45:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:45:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:45:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 18:45:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 18:45:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 18:45:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 18:45:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 18:45:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 18:45:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 18:45:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 18:45:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 18:45:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 18:45:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 18:45:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 18:45:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 18:45:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 18:45:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 18:45:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 18:45:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 18:45:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 18:45:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:45:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:45:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 18:45:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 18:45:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 18:45:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 18:45:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:45:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 18:45:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 18:45:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 18:45:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 18:45:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 18:45:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 18:45:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 18:45:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 18:45:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:45:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:45:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:45:12,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:45:12,877 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 18:45:12,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:12 BoogieIcfgContainer [2019-09-20 18:45:12,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:45:12,879 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:45:12,880 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:45:12,880 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:45:12,883 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:45:12" (1/1) ... [2019-09-20 18:45:12,884 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 18:45:12,916 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:45:12,916 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:45:12,926 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:45:12,934 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:45:12,935 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:45:13,091 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 18:45:13,124 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 18:45:14,036 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 18:45:15,632 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-20 18:45:16,119 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:16,801 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 18:45:16,919 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 18:45:17,342 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 18:45:17,506 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:17,952 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-20 18:45:18,237 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-20 18:45:18,346 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 18:45:18,698 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-20 18:45:18,876 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 18:45:18,882 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 48 for LOIs [2019-09-20 18:45:19,091 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-20 18:45:19,205 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 18:45:19,456 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-20 18:45:20,089 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-20 18:45:20,097 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 18:45:20,250 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-20 18:45:20,387 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-20 18:45:20,462 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-20 18:45:20,470 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:45:20,470 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:45:20,474 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 618#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-20 18:45:20,489 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:45:20,489 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:45:20,490 INFO L168 Benchmark]: Toolchain (without parser) took 8683.80 ms. Allocated memory was 141.0 MB in the beginning and 334.0 MB in the end (delta: 192.9 MB). Free memory was 87.2 MB in the beginning and 246.1 MB in the end (delta: -158.9 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,491 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.91 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 86.8 MB in the beginning and 176.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,493 INFO L168 Benchmark]: Boogie Preprocessor took 40.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,494 INFO L168 Benchmark]: RCFGBuilder took 607.85 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 142.7 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,495 INFO L168 Benchmark]: Sifa took 7609.45 ms. Allocated memory was 200.8 MB in the beginning and 334.0 MB in the end (delta: 133.2 MB). Free memory was 142.7 MB in the beginning and 246.1 MB in the end (delta: -103.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:45:20,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.91 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 86.8 MB in the beginning and 176.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 607.85 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 142.7 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Sifa took 7609.45 ms. Allocated memory was 200.8 MB in the beginning and 334.0 MB in the end (delta: 133.2 MB). Free memory was 142.7 MB in the beginning and 246.1 MB in the end (delta: -103.4 MB). Peak memory consumption was 29.8 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]: 7558, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 328, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 238, TOOLS_POST_TIME[ms]: 74, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_APPLICATIONS: 353, TOOLS_QUANTIFIERELIM_TIME[ms]: 212, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 333, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 118, DOMAIN_JOIN_TIME[ms]: 6854, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 75, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 86, DOMAIN_ISBOTTOM_TIME[ms]: 160, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4501, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4500, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4337, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4337, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 516, DAG_COMPRESSION_RETAINED_NODES: 288 - 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 618#(and (= ~m_pc~0 1) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...