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_QUICK -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:58,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:58,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:58,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:58,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:58,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:58,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:58,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:58,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:58,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:58,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:58,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:58,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:58,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:58,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:58,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:58,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:58,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:58,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:58,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:58,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:58,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:58,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:58,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:58,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:55:58,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:55:58,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:55:58,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:55:58,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:55:58,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:55:58,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:55:58,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:55:58,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:55:58,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:55:58,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:55:58,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:55:58,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:55:58,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:55:58,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:58,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:58,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:58,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:55:58,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:55:58,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:55:58,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:55:58,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:55:58,551 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:55:58,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:55:58,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:55:58,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:55:58,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:55:58,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:55:58,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:55:58,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:55:58,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:55:58,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:55:58,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:55:58,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:55:58,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:55:58,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:55:58,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:55:58,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:55:58,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:55:58,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:55:58,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:55:58,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:55:58,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:55:58,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:55:58,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:55:58,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:55:58,557 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_QUICK [2019-09-20 15:55:58,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:55:58,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:55:58,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:55:58,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:55:58,639 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:55:58,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 15:55:58,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896f92610/9702e916685c4c20b0a6fb0888c6c099/FLAG706a4fd14 [2019-09-20 15:55:59,139 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:55:59,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 15:55:59,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896f92610/9702e916685c4c20b0a6fb0888c6c099/FLAG706a4fd14 [2019-09-20 15:55:59,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896f92610/9702e916685c4c20b0a6fb0888c6c099 [2019-09-20 15:55:59,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:55:59,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:55:59,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:55:59,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:55:59,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:55:59,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:59" (1/1) ... [2019-09-20 15:55:59,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6786a740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:55:59, skipping insertion in model container [2019-09-20 15:55:59,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:55:59" (1/1) ... [2019-09-20 15:55:59,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:55:59,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:55:59,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:55:59,901 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:00,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:00,067 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:00,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00 WrapperNode [2019-09-20 15:56:00,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:00,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:00,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:00,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:00,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:00,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:00,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:00,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:00,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:56:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 15:56:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 15:56:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 15:56:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:00,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:00,956 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:56:00,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:00 BoogieIcfgContainer [2019-09-20 15:56:00,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:00,958 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:00,959 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:00,959 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:00,960 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:00,961 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:56:00,984 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:00,984 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:00,994 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:01,006 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:01,008 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:01,149 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 15:56:01,174 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 15:56:03,585 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-20 15:56:03,894 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 15:56:03,923 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 22 for LOIs [2019-09-20 15:56:03,928 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 18 for LOIs [2019-09-20 15:56:03,930 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 19 for LOIs [2019-09-20 15:56:03,934 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 15:56:03,935 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:03,936 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:03,938 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1748#true [2019-09-20 15:56:03,953 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:03,953 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:03,956 INFO L168 Benchmark]: Toolchain (without parser) took 4398.62 ms. Allocated memory was 136.3 MB in the beginning and 349.2 MB in the end (delta: 212.9 MB). Free memory was 83.7 MB in the beginning and 296.4 MB in the end (delta: -212.6 MB). Peak memory consumption was 235.2 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,959 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.89 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.5 MB in the beginning and 172.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,961 INFO L168 Benchmark]: Boogie Preprocessor took 48.06 ms. Allocated memory is still 197.7 MB. Free memory was 172.8 MB in the beginning and 170.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,963 INFO L168 Benchmark]: RCFGBuilder took 841.52 ms. Allocated memory is still 197.7 MB. Free memory was 170.4 MB in the beginning and 123.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:03,970 INFO L168 Benchmark]: Sifa took 2994.79 ms. Allocated memory was 197.7 MB in the beginning and 349.2 MB in the end (delta: 151.5 MB). Free memory was 123.1 MB in the beginning and 296.4 MB in the end (delta: -173.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:56:03,982 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 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 510.89 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.5 MB in the beginning and 172.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.06 ms. Allocated memory is still 197.7 MB. Free memory was 172.8 MB in the beginning and 170.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 841.52 ms. Allocated memory is still 197.7 MB. Free memory was 170.4 MB in the beginning and 123.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * Sifa took 2994.79 ms. Allocated memory was 197.7 MB in the beginning and 349.2 MB in the end (delta: 151.5 MB). Free memory was 123.1 MB in the beginning and 296.4 MB in the end (delta: -173.3 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]: 2955, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1081, DAG_INTERPRETER_EARLY_EXITS: 44, TOOLS_POST_APPLICATIONS: 765, TOOLS_POST_TIME[ms]: 335, TOOLS_POST_CALL_APPLICATIONS: 212, TOOLS_POST_CALL_TIME[ms]: 347, TOOLS_POST_RETURN_APPLICATIONS: 202, TOOLS_POST_RETURN_TIME[ms]: 241, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1178, TOOLS_QUANTIFIERELIM_TIME[ms]: 675, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 32, FLUID_QUERIES: 1173, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 231, DOMAIN_JOIN_TIME[ms]: 1353, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 46, DOMAIN_ISSUBSETEQ_APPLICATIONS: 92, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 192, DOMAIN_ISBOTTOM_TIME[ms]: 300, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2033, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2029, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 92, CALL_SUMMARIZER_APPLICATIONS: 202, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2041, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2038, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327 - UnprovableResult [Line: 9]: 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 1748#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...