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 SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:24:45,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:24:45,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:24:45,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:24:45,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:24:45,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:24:45,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:24:45,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:24:45,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:24:45,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:24:45,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:24:45,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:24:45,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:24:45,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:24:45,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:24:45,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:24:45,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:24:45,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:24:45,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:24:45,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:24:45,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:24:45,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:24:45,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:24:45,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:24:45,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:24:45,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:24:45,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:24:45,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:24:45,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:24:45,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:24:45,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:24:45,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:24:45,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:24:45,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:24:45,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:24:45,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:24:45,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:24:45,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:24:45,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:24:45,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:24:45,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:24:45,576 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 [2019-09-16 20:24:45,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:24:45,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:24:45,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:24:45,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:24:45,606 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:24:45,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:24:45,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:24:45,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:24:45,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:24:45,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:24:45,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:24:45,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:24:45,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:24:45,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:24:45,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:24:45,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:24:45,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:24:45,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:24:45,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:24:45,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:24:45,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:24:45,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:24:45,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:24:45,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:24:45,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:24:45,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:24:45,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:24:45,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:24:45,616 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 -> SIMPLIFY_DDA [2019-09-16 20:24:45,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:24:45,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:24:45,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:24:45,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:24:45,664 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:24:45,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-16 20:24:45,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95954bae/a73ae459af68401c8ed35a3b3a6ac9f2/FLAG4b7469789 [2019-09-16 20:24:46,188 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:24:46,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-16 20:24:46,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95954bae/a73ae459af68401c8ed35a3b3a6ac9f2/FLAG4b7469789 [2019-09-16 20:24:46,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95954bae/a73ae459af68401c8ed35a3b3a6ac9f2 [2019-09-16 20:24:46,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:24:46,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:24:46,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:46,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:24:46,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:24:46,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:46" (1/1) ... [2019-09-16 20:24:46,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24178ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:46, skipping insertion in model container [2019-09-16 20:24:46,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:46" (1/1) ... [2019-09-16 20:24:46,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:24:46,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:24:46,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:46,837 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:24:46,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:47,010 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:24:47,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47 WrapperNode [2019-09-16 20:24:47,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:47,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:24:47,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:24:47,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:24:47,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (1/1) ... [2019-09-16 20:24:47,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:24:47,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:24:47,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:24:47,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:24:47,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:47" (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 [2019-09-16 20:24:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:24:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:24:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-16 20:24:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 20:24:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 20:24:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 20:24:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 20:24:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:24:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:24:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 20:24:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-16 20:24:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-16 20:24:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 20:24:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 20:24:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:24:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:24:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:24:48,011 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:24:48,012 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 20:24:48,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:48 BoogieIcfgContainer [2019-09-16 20:24:48,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:24:48,014 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:24:48,014 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:24:48,014 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:24:48,016 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:48" (1/1) ... [2019-09-16 20:24:48,016 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 [2019-09-16 20:24:48,041 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:24:48,041 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:24:48,058 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:24:48,069 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:24:48,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:24:48,246 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-16 20:24:48,296 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-16 20:24:49,703 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-16 20:24:49,982 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-16 20:24:51,246 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-16 20:24:51,569 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-16 20:24:52,227 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-16 20:24:52,419 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 20:24:52,545 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-16 20:24:53,020 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-16 20:24:53,209 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 20:24:53,456 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:24:53,699 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:24:53,981 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-16 20:24:54,263 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-16 20:24:55,394 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-16 20:24:55,693 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-16 20:24:56,199 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-16 20:24:56,665 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-16 20:24:56,868 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-16 20:24:56,877 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 69 for LOIs [2019-09-16 20:24:57,272 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2019-09-16 20:24:57,450 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:24:58,023 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-09-16 20:24:58,265 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-16 20:24:59,011 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-16 20:24:59,394 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 88 [2019-09-16 20:24:59,542 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-16 20:24:59,967 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-16 20:25:00,285 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2019-09-16 20:25:00,568 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-16 20:25:00,957 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-16 20:25:01,086 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 20:25:01,429 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-09-16 20:25:01,693 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-16 20:25:02,125 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-16 20:25:02,285 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-16 20:25:02,318 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-16 20:25:02,327 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:25:02,327 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:25:02,330 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 770#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-16 20:25:02,341 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:25:02,341 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:25:02,343 INFO L168 Benchmark]: Toolchain (without parser) took 15778.24 ms. Allocated memory was 139.5 MB in the beginning and 432.0 MB in the end (delta: 292.6 MB). Free memory was 86.2 MB in the beginning and 127.7 MB in the end (delta: -41.5 MB). Peak memory consumption was 251.1 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:02,343 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 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. [2019-09-16 20:25:02,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.52 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 174.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:02,345 INFO L168 Benchmark]: Boogie Preprocessor took 60.21 ms. Allocated memory is still 199.8 MB. Free memory was 174.5 MB in the beginning and 172.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:02,346 INFO L168 Benchmark]: RCFGBuilder took 940.20 ms. Allocated memory is still 199.8 MB. Free memory was 172.0 MB in the beginning and 99.3 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:02,347 INFO L168 Benchmark]: Sifa took 14327.34 ms. Allocated memory was 199.8 MB in the beginning and 432.0 MB in the end (delta: 232.3 MB). Free memory was 98.7 MB in the beginning and 127.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 203.3 MB. Max. memory is 7.1 GB. [2019-09-16 20:25:02,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 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 445.52 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 174.5 MB in the end (delta: -88.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.21 ms. Allocated memory is still 199.8 MB. Free memory was 174.5 MB in the beginning and 172.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 940.20 ms. Allocated memory is still 199.8 MB. Free memory was 172.0 MB in the beginning and 99.3 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * Sifa took 14327.34 ms. Allocated memory was 199.8 MB in the beginning and 432.0 MB in the end (delta: 232.3 MB). Free memory was 98.7 MB in the beginning and 127.7 MB in the end (delta: -28.9 MB). Peak memory consumption was 203.3 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]: 14289, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 365, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 249, TOOLS_POST_TIME[ms]: 104, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 198, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 124, TOOLS_QUANTIFIERELIM_APPLICATIONS: 403, TOOLS_QUANTIFIERELIM_TIME[ms]: 315, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 371, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 132, DOMAIN_JOIN_TIME[ms]: 12748, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 27, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 729, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 150, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13289, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13288, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5941, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5940, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 253 - 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 770#(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...