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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:08:15,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:08:15,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:08:15,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:08:15,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:08:15,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:08:15,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:08:15,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:08:15,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:08:15,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:08:15,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:08:15,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:08:15,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:08:15,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:08:15,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:08:15,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:08:15,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:08:15,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:08:15,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:08:15,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:08:15,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:08:15,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:08:15,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:08:15,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:08:15,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:08:15,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:08:15,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:08:15,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:08:15,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:08:15,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:08:15,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:08:15,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:08:15,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:08:15,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:08:15,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:08:15,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:08:15,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:08:15,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:08:15,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:08:15,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:08:15,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:08:15,793 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 [2019-10-15 07:08:15,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:08:15,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:08:15,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:08:15,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:08:15,809 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:08:15,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:08:15,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:08:15,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:08:15,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:08:15,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:08:15,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:08:15,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:08:15,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:08:15,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:08:15,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:08:15,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:08:15,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:08:15,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:08:15,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:08:15,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:08:15,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:08:15,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:08:15,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:08:15,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:08:15,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:08:15,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:08:15,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:08:15,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:08:15,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:08:16,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:08:16,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:08:16,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:08:16,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:08:16,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:08:16,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-10-15 07:08:16,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55592b69/03a305d0cf094fbab325b0f7d672dd87/FLAG86b98837b [2019-10-15 07:08:16,646 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:08:16,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-10-15 07:08:16,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55592b69/03a305d0cf094fbab325b0f7d672dd87/FLAG86b98837b [2019-10-15 07:08:17,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d55592b69/03a305d0cf094fbab325b0f7d672dd87 [2019-10-15 07:08:17,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:08:17,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:08:17,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:17,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:08:17,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:08:17,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54268d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17, skipping insertion in model container [2019-10-15 07:08:17,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,036 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:08:17,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:08:17,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:17,319 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:08:17,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:17,483 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:08:17,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17 WrapperNode [2019-10-15 07:08:17,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:17,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:08:17,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:08:17,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:08:17,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (1/1) ... [2019-10-15 07:08:17,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:08:17,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:08:17,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:08:17,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:08:17,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:17" (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 [2019-10-15 07:08:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:08:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:08:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:08:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 07:08:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 07:08:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-15 07:08:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 07:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 07:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-15 07:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 07:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 07:08:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 07:08:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 07:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 07:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 07:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 07:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:08:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:08:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:08:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:08:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 07:08:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 07:08:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-15 07:08:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 07:08:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 07:08:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:08:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:08:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:08:18,556 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:08:18,557 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 07:08:18,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:18 BoogieIcfgContainer [2019-10-15 07:08:18,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:08:18,559 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:08:18,559 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:08:18,559 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:08:18,561 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:18" (1/1) ... [2019-10-15 07:08:18,561 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 07:08:18,587 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:08:18,587 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:08:18,598 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:08:18,605 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:08:18,607 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:08:18,933 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-10-15 07:08:18,970 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-10-15 07:08:19,003 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-10-15 07:08:19,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:19,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:19,328 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:19,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:20,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:20,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 07:08:21,107 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 47 for LOIs [2019-10-15 07:08:21,567 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 36 for LOIs [2019-10-15 07:08:21,579 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 25 for LOIs [2019-10-15 07:08:21,583 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:08:21,597 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:08:21,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:08:21,601 INFO L168 Benchmark]: Toolchain (without parser) took 4580.67 ms. Allocated memory was 136.8 MB in the beginning and 297.8 MB in the end (delta: 161.0 MB). Free memory was 101.2 MB in the beginning and 242.2 MB in the end (delta: -141.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:21,603 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:08:21,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.35 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 176.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:21,606 INFO L168 Benchmark]: Boogie Preprocessor took 62.06 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 174.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:21,607 INFO L168 Benchmark]: RCFGBuilder took 1008.26 ms. Allocated memory is still 200.8 MB. Free memory was 174.7 MB in the beginning and 99.8 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:21,612 INFO L168 Benchmark]: Sifa took 3038.93 ms. Allocated memory was 200.8 MB in the beginning and 297.8 MB in the end (delta: 97.0 MB). Free memory was 99.8 MB in the beginning and 242.2 MB in the end (delta: -142.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 07:08:21,623 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 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.35 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 176.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.06 ms. Allocated memory is still 200.8 MB. Free memory was 176.8 MB in the beginning and 174.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1008.26 ms. Allocated memory is still 200.8 MB. Free memory was 174.7 MB in the beginning and 99.8 MB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. * Sifa took 3038.93 ms. Allocated memory was 200.8 MB in the beginning and 297.8 MB in the end (delta: 97.0 MB). Free memory was 99.8 MB in the beginning and 242.2 MB in the end (delta: -142.4 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]: 2997, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 365, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 249, TOOLS_POST_TIME[ms]: 102, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 284, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 126, TOOLS_QUANTIFIERELIM_APPLICATIONS: 403, TOOLS_QUANTIFIERELIM_TIME[ms]: 385, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 371, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 132, DOMAIN_JOIN_TIME[ms]: 2044, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 87, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 156, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2198, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2198, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1648, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1644, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 253 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1332#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...