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 NeverFluid --sifa.intern.fluid NeverFluid --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 23:36:58,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:36:58,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:36:58,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:36:58,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:36:58,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:36:58,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:36:58,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:36:58,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:36:58,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:36:58,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:36:58,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:36:58,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:36:58,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:36:58,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:36:58,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:36:58,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:36:58,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:36:58,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:36:58,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:36:58,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:36:58,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:36:58,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:36:58,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:36:58,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:36:58,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:36:58,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:36:58,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:36:58,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:36:58,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:36:58,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:36:58,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:36:58,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:36:58,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:36:58,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:36:58,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:36:58,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:36:58,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:36:58,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:36:58,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:36:58,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:36:58,223 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 23:36:58,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:36:58,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:36:58,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:36:58,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:36:58,241 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:36:58,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:36:58,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:36:58,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:36:58,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:36:58,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:36:58,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:36:58,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:36:58,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:36:58,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:36:58,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:36:58,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:36:58,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:36:58,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:36:58,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:36:58,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:36:58,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:36:58,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:36:58,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:36:58,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:36:58,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:36:58,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:36:58,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:36:58,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:36:58,247 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:36:58,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:36:58,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:36:58,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:36:58,316 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:36:58,317 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:36:58,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 23:36:58,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f213daf/fbaedd94982e406c811831b9350f8768/FLAG15cb04c00 [2019-09-20 23:36:58,804 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:36:58,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 23:36:58,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f213daf/fbaedd94982e406c811831b9350f8768/FLAG15cb04c00 [2019-09-20 23:36:59,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f213daf/fbaedd94982e406c811831b9350f8768 [2019-09-20 23:36:59,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:36:59,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:36:59,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:59,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:36:59,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:36:59,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59, skipping insertion in model container [2019-09-20 23:36:59,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:36:59,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:36:59,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:59,444 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:36:59,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:59,593 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:36:59,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59 WrapperNode [2019-09-20 23:36:59,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:59,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:36:59,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:36:59,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:36:59,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (1/1) ... [2019-09-20 23:36:59,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:36:59,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:36:59,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:36:59,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:36:59,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:59" (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 23:36:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:36:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:36:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:36:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:36:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 23:36:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 23:36:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 23:36:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:36:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:36:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:36:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 23:36:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:36:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 23:36:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:36:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:36:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:36:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:36:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:36:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:37:00,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:37:00,526 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:37:00,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:00 BoogieIcfgContainer [2019-09-20 23:37:00,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:37:00,528 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:37:00,528 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:37:00,529 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:37:00,530 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:37:00" (1/1) ... [2019-09-20 23:37:00,530 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:37:00,553 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:37:00,554 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:37:00,562 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:37:00,571 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:37:00,573 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:37:00,705 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 23:37:00,747 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 23:37:01,298 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:37:02,153 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-20 23:37:03,129 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:03,250 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 23:37:03,617 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-20 23:37:03,978 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 23:37:04,356 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-09-20 23:37:04,794 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 23:37:04,914 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 23:37:05,304 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-20 23:37:05,466 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:37:05,470 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-09-20 23:37:05,756 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-09-20 23:37:05,878 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:37:06,391 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 23:37:06,694 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-20 23:37:06,921 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 23:37:06,967 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-20 23:37:06,980 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:06,980 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:06,983 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 462#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-20 23:37:07,009 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:07,009 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:07,011 INFO L168 Benchmark]: Toolchain (without parser) took 7830.77 ms. Allocated memory was 135.3 MB in the beginning and 323.5 MB in the end (delta: 188.2 MB). Free memory was 89.6 MB in the beginning and 110.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 167.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,013 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.16 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 176.7 MB in the end (delta: -87.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,015 INFO L168 Benchmark]: Boogie Preprocessor took 63.32 ms. Allocated memory is still 201.9 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,017 INFO L168 Benchmark]: RCFGBuilder took 869.54 ms. Allocated memory is still 201.9 MB. Free memory was 174.4 MB in the beginning and 118.5 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,019 INFO L168 Benchmark]: Sifa took 6480.95 ms. Allocated memory was 201.9 MB in the beginning and 323.5 MB in the end (delta: 121.6 MB). Free memory was 118.5 MB in the beginning and 110.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 130.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:07,028 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 135.3 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 413.16 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 176.7 MB in the end (delta: -87.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.32 ms. Allocated memory is still 201.9 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 869.54 ms. Allocated memory is still 201.9 MB. Free memory was 174.4 MB in the beginning and 118.5 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. * Sifa took 6480.95 ms. Allocated memory was 201.9 MB in the beginning and 323.5 MB in the end (delta: 121.6 MB). Free memory was 118.5 MB in the beginning and 110.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 130.0 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]: 6429, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 236, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 82, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME[ms]: 171, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 277, TOOLS_QUANTIFIERELIM_TIME[ms]: 262, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 241, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 5780, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 69, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 55, DOMAIN_ISBOTTOM_TIME[ms]: 94, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4057, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4057, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2941, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2940, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 389, DAG_COMPRESSION_RETAINED_NODES: 196 - 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 462#(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...