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 ReUseSupersetCallSummarizer --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-efa34d5 [2019-09-19 00:39:33,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:39:33,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:39:33,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:39:33,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:39:33,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:39:33,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:39:33,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:39:33,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:39:33,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:39:33,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:39:33,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:39:33,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:39:33,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:39:33,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:39:33,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:39:33,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:39:33,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:39:33,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:39:33,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:39:33,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:39:33,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:39:33,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:39:33,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:39:33,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:39:33,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:39:33,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:39:33,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:39:33,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:39:33,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:39:33,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:39:33,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:39:33,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:39:33,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:39:33,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:39:33,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:39:33,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:39:33,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:39:33,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:39:33,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:39:33,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:39:33,543 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 [2019-09-19 00:39:33,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:39:33,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:39:33,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:39:33,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:39:33,559 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:39:33,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:39:33,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:39:33,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:39:33,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:39:33,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:39:33,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:39:33,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:39:33,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:39:33,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:39:33,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:39:33,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:39:33,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:39:33,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:39:33,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:39:33,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:39:33,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:39:33,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:39:33,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:39:33,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:39:33,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:39:33,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:39:33,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:39:33,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:39:33,564 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 -> ReUseSupersetCallSummarizer 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 [2019-09-19 00:39:33,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:39:33,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:39:33,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:39:33,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:39:33,620 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:39:33,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-19 00:39:33,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ea942fe/1ec469f3fe3b4785981b99283fde6538/FLAGae9502ce4 [2019-09-19 00:39:34,166 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:39:34,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-19 00:39:34,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ea942fe/1ec469f3fe3b4785981b99283fde6538/FLAGae9502ce4 [2019-09-19 00:39:34,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ea942fe/1ec469f3fe3b4785981b99283fde6538 [2019-09-19 00:39:34,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:39:34,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:39:34,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:34,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:39:34,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:39:34,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:34,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f6b6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34, skipping insertion in model container [2019-09-19 00:39:34,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:34,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:39:34,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:39:34,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:34,820 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:39:34,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:34,969 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:39:34,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34 WrapperNode [2019-09-19 00:39:34,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:34,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:39:34,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:39:34,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:39:34,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:34,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:34,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:34,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:35,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:35,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:35,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (1/1) ... [2019-09-19 00:39:35,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:39:35,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:39:35,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:39:35,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:39:35,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:34" (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 [2019-09-19 00:39:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-19 00:39:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 00:39:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 00:39:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 00:39:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 00:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-19 00:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-19 00:39:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 00:39:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-19 00:39:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:39:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:39:35,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:39:35,815 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-19 00:39:35,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:35 BoogieIcfgContainer [2019-09-19 00:39:35,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:39:35,817 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:39:35,817 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:39:35,817 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:39:35,819 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:35" (1/1) ... [2019-09-19 00:39:35,819 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 00:39:35,845 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:39:35,845 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:39:35,854 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:39:35,864 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:39:35,866 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:39:36,004 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-19 00:39:36,114 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-19 00:39:36,471 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2019-09-19 00:39:38,150 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2019-09-19 00:39:38,302 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:38,423 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:38,563 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:38,727 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-19 00:39:39,347 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-19 00:39:39,620 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 00:39:40,201 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-19 00:39:40,487 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 00:39:40,751 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 00:39:41,019 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 00:39:41,553 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-19 00:39:42,052 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-19 00:39:42,267 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-19 00:39:42,422 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-19 00:39:42,940 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-19 00:39:43,346 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-19 00:39:43,533 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-19 00:39:43,850 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2019-09-19 00:39:44,564 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-19 00:39:44,814 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-19 00:39:44,977 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-19 00:39:45,903 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-19 00:39:46,404 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-19 00:39:46,799 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-19 00:39:47,112 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-19 00:39:47,233 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-19 00:39:47,350 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 00:39:47,470 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 00:39:48,406 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-19 00:39:48,878 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-19 00:39:49,003 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 00:39:49,155 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-19 00:39:49,542 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2019-09-19 00:39:50,058 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2019-09-19 00:39:51,290 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-19 00:39:51,442 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-19 00:39:51,632 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-19 00:39:52,363 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-09-19 00:39:52,484 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 00:39:52,832 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2019-09-19 00:39:52,950 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-19 00:39:52,953 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 56 for LOIs [2019-09-19 00:39:53,244 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 74 [2019-09-19 00:39:53,619 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2019-09-19 00:39:53,913 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-19 00:39:54,344 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-19 00:39:54,390 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-19 00:39:54,396 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:39:54,397 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:39:54,399 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 784#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-19 00:39:54,414 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:39:54,414 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:39:54,416 INFO L168 Benchmark]: Toolchain (without parser) took 19888.81 ms. Allocated memory was 141.0 MB in the beginning and 423.1 MB in the end (delta: 282.1 MB). Free memory was 88.3 MB in the beginning and 254.1 MB in the end (delta: -165.8 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,418 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.02 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.1 MB in the beginning and 176.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,427 INFO L168 Benchmark]: Boogie Preprocessor took 53.16 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,430 INFO L168 Benchmark]: RCFGBuilder took 792.11 ms. Allocated memory is still 200.8 MB. Free memory was 173.8 MB in the beginning and 119.8 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,432 INFO L168 Benchmark]: Sifa took 18597.10 ms. Allocated memory was 200.8 MB in the beginning and 423.1 MB in the end (delta: 222.3 MB). Free memory was 119.8 MB in the beginning and 254.1 MB in the end (delta: -134.3 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:54,440 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 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 443.02 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.1 MB in the beginning and 176.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.16 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.11 ms. Allocated memory is still 200.8 MB. Free memory was 173.8 MB in the beginning and 119.8 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. * Sifa took 18597.10 ms. Allocated memory was 200.8 MB in the beginning and 423.1 MB in the end (delta: 222.3 MB). Free memory was 119.8 MB in the beginning and 254.1 MB in the end (delta: -134.3 MB). Peak memory consumption was 88.0 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]: 18554, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 375, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 279, TOOLS_POST_TIME[ms]: 110, TOOLS_POST_CALL_APPLICATIONS: 79, TOOLS_POST_CALL_TIME[ms]: 164, TOOLS_POST_RETURN_APPLICATIONS: 73, TOOLS_POST_RETURN_TIME[ms]: 140, TOOLS_QUANTIFIERELIM_APPLICATIONS: 431, TOOLS_QUANTIFIERELIM_TIME[ms]: 297, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 382, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 121, DOMAIN_JOIN_TIME[ms]: 16040, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 43, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 773, DOMAIN_ISSUBSETEQ_APPLICATIONS: 128, DOMAIN_ISSUBSETEQ_TIME[ms]: 224, DOMAIN_ISBOTTOM_APPLICATIONS: 88, DOMAIN_ISBOTTOM_TIME[ms]: 115, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15199, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15198, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 73, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 15370, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 41, 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 784#(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...