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.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 20:24:34,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 20:24:34,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 20:24:34,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 20:24:34,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 20:24:34,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 20:24:34,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 20:24:34,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 20:24:34,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 20:24:34,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 20:24:34,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 20:24:34,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 20:24:34,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 20:24:34,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 20:24:34,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 20:24:34,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 20:24:34,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 20:24:34,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 20:24:34,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 20:24:34,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 20:24:34,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 20:24:34,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 20:24:34,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 20:24:34,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 20:24:34,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 20:24:34,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 20:24:34,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 20:24:34,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 20:24:34,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 20:24:34,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 20:24:34,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 20:24:34,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 20:24:34,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 20:24:34,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 20:24:34,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 20:24:34,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 20:24:34,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 20:24:34,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 20:24:34,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 20:24:34,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 20:24:34,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 20:24:34,595 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 20:24:34,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 20:24:34,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 20:24:34,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 20:24:34,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 20:24:34,616 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 20:24:34,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 20:24:34,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 20:24:34,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 20:24:34,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 20:24:34,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 20:24:34,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 20:24:34,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 20:24:34,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 20:24:34,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 20:24:34,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 20:24:34,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 20:24:34,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 20:24:34,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 20:24:34,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 20:24:34,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 20:24:34,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 20:24:34,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 20:24:34,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 20:24:34,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 20:24:34,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 20:24:34,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 20:24:34,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 20:24:34,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 20:24:34,623 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 20:24:34,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 20:24:34,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 20:24:34,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 20:24:34,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 20:24:34,694 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 20:24:34,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-16 20:24:34,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e9c8e8/69a0d8eb5401458fa465a6049b3743a8/FLAG28ab51d8e [2019-09-16 20:24:35,213 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 20:24:35,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-16 20:24:35,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e9c8e8/69a0d8eb5401458fa465a6049b3743a8/FLAG28ab51d8e [2019-09-16 20:24:35,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e9c8e8/69a0d8eb5401458fa465a6049b3743a8 [2019-09-16 20:24:35,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 20:24:35,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 20:24:35,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:35,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 20:24:35,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 20:24:35,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:35,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e770697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35, skipping insertion in model container [2019-09-16 20:24:35,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:35,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 20:24:35,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 20:24:35,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:35,833 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 20:24:35,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 20:24:35,988 INFO L192 MainTranslator]: Completed translation [2019-09-16 20:24:35,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35 WrapperNode [2019-09-16 20:24:35,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 20:24:35,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 20:24:35,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 20:24:35,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 20:24:35,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:35,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (1/1) ... [2019-09-16 20:24:36,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 20:24:36,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 20:24:36,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 20:24:36,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 20:24:36,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 08:24:35" (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 20:24:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 20:24:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 20:24:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 20:24:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-16 20:24:36,096 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-16 20:24:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-16 20:24:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-16 20:24:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 20:24:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 20:24:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 20:24:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 20:24:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 20:24:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 20:24:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 20:24:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 20:24:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 20:24:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 20:24:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-16 20:24:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-16 20:24:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 20:24:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-16 20:24:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 20:24:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 20:24:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 20:24:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 20:24:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 20:24:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 20:24:36,831 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 20:24:36,831 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-16 20:24:36,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:36 BoogieIcfgContainer [2019-09-16 20:24:36,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 20:24:36,833 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 20:24:36,834 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 20:24:36,834 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 20:24:36,835 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 08:24:36" (1/1) ... [2019-09-16 20:24:36,836 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 20:24:36,861 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 20:24:36,861 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 20:24:36,870 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 20:24:36,881 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 20:24:36,882 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 20:24:37,020 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-16 20:24:37,067 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-16 20:24:37,548 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-16 20:24:38,647 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:38,964 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:39,508 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-16 20:24:39,782 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-16 20:24:39,987 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:40,283 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:40,779 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:41,094 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:41,724 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-16 20:24:41,860 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-16 20:24:42,253 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-16 20:24:42,367 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-16 20:24:42,536 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-16 20:24:42,718 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-16 20:24:43,282 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:43,600 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:44,423 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:44,731 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:45,266 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:45,622 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 20:24:46,254 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-16 20:24:46,518 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-09-16 20:24:47,010 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2019-09-16 20:24:47,145 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 20:24:47,436 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-16 20:24:47,713 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 20:24:47,939 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 20:24:48,068 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-16 20:24:48,319 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-16 20:24:48,442 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-16 20:24:48,711 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-16 20:24:49,003 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-09-16 20:24:49,649 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-16 20:24:49,833 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-16 20:24:50,296 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-16 20:24:50,513 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-16 20:24:51,091 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-16 20:24:51,717 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 20:24:52,016 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-16 20:24:52,285 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-16 20:24:52,286 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-16 20:24:52,310 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 20:24:52,310 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 20:24:52,315 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 773#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-16 20:24:52,328 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 20:24:52,328 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 20:24:52,331 INFO L168 Benchmark]: Toolchain (without parser) took 16736.06 ms. Allocated memory was 130.5 MB in the beginning and 453.0 MB in the end (delta: 322.4 MB). Free memory was 85.8 MB in the beginning and 379.1 MB in the end (delta: -293.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-16 20:24:52,332 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 20:24:52,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.81 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.6 MB in the beginning and 173.0 MB in the end (delta: -87.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-16 20:24:52,338 INFO L168 Benchmark]: Boogie Preprocessor took 47.16 ms. Allocated memory is still 198.7 MB. Free memory was 173.0 MB in the beginning and 171.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-16 20:24:52,339 INFO L168 Benchmark]: RCFGBuilder took 796.32 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 118.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-09-16 20:24:52,340 INFO L168 Benchmark]: Sifa took 15495.08 ms. Allocated memory was 198.7 MB in the beginning and 453.0 MB in the end (delta: 254.3 MB). Free memory was 118.2 MB in the beginning and 379.1 MB in the end (delta: -260.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 20:24:52,344 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 130.5 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 393.81 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.6 MB in the beginning and 173.0 MB in the end (delta: -87.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.16 ms. Allocated memory is still 198.7 MB. Free memory was 173.0 MB in the beginning and 171.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 796.32 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 118.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Sifa took 15495.08 ms. Allocated memory was 198.7 MB in the beginning and 453.0 MB in the end (delta: 254.3 MB). Free memory was 118.2 MB in the beginning and 379.1 MB in the end (delta: -260.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 15455, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 286, TOOLS_POST_TIME[ms]: 118, TOOLS_POST_CALL_APPLICATIONS: 103, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 167, TOOLS_QUANTIFIERELIM_APPLICATIONS: 487, TOOLS_QUANTIFIERELIM_TIME[ms]: 360, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 122, DOMAIN_JOIN_TIME[ms]: 13526, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 10, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1078, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME[ms]: 155, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14630, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14630, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7698, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7697, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 773#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...