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/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 00:39:00,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 00:39:00,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 00:39:00,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 00:39:00,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 00:39:00,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 00:39:00,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 00:39:00,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 00:39:00,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 00:39:00,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 00:39:00,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 00:39:00,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 00:39:00,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 00:39:00,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 00:39:00,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 00:39:00,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 00:39:00,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 00:39:00,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 00:39:00,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 00:39:00,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 00:39:00,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 00:39:00,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 00:39:00,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 00:39:00,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 00:39:00,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 00:39:00,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 00:39:00,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 00:39:00,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 00:39:00,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 00:39:00,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 00:39:00,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 00:39:00,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 00:39:00,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 00:39:00,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 00:39:00,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 00:39:00,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 00:39:00,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 00:39:00,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 00:39:00,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 00:39:00,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 00:39:00,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 00:39:00,235 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 00:39:00,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 00:39:00,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 00:39:00,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 00:39:00,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 00:39:00,258 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 00:39:00,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 00:39:00,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 00:39:00,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 00:39:00,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 00:39:00,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 00:39:00,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 00:39:00,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 00:39:00,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 00:39:00,260 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 00:39:00,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 00:39:00,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 00:39:00,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 00:39:00,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 00:39:00,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 00:39:00,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 00:39:00,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 00:39:00,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 00:39:00,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 00:39:00,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 00:39:00,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 00:39:00,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 00:39:00,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 00:39:00,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 00:39:00,264 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 00:39:00,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 00:39:00,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 00:39:00,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 00:39:00,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 00:39:00,315 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 00:39:00,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-19 00:39:00,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12943cd3/6e57a756c7b54013be08da5a607f9232/FLAG6872522c8 [2019-09-19 00:39:00,882 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 00:39:00,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-19 00:39:00,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12943cd3/6e57a756c7b54013be08da5a607f9232/FLAG6872522c8 [2019-09-19 00:39:01,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12943cd3/6e57a756c7b54013be08da5a607f9232 [2019-09-19 00:39:01,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 00:39:01,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 00:39:01,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:01,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 00:39:01,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 00:39:01,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@905c48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01, skipping insertion in model container [2019-09-19 00:39:01,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 00:39:01,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 00:39:01,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:01,531 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 00:39:01,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 00:39:01,675 INFO L192 MainTranslator]: Completed translation [2019-09-19 00:39:01,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01 WrapperNode [2019-09-19 00:39:01,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 00:39:01,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 00:39:01,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 00:39:01,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 00:39:01,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (1/1) ... [2019-09-19 00:39:01,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 00:39:01,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 00:39:01,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 00:39:01,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 00:39:01,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 12:39:01" (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 00:39:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 00:39:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 00:39:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 00:39:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-19 00:39:01,770 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 00:39:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 00:39:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 00:39:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 00:39:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 00:39:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 00:39:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 00:39:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 00:39:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 00:39:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 00:39:01,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 00:39:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-19 00:39:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 00:39:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 00:39:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 00:39:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 00:39:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 00:39:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 00:39:02,487 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 00:39:02,487 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-19 00:39:02,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:02 BoogieIcfgContainer [2019-09-19 00:39:02,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 00:39:02,489 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 00:39:02,489 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 00:39:02,489 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 00:39:02,491 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 12:39:02" (1/1) ... [2019-09-19 00:39:02,491 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 00:39:02,513 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 00:39:02,513 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 00:39:02,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 00:39:02,531 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 00:39:02,532 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 00:39:02,729 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-19 00:39:02,939 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-19 00:39:03,092 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-19 00:39:03,362 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-19 00:39:03,523 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-19 00:39:04,000 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2019-09-19 00:39:04,563 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-19 00:39:04,905 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 00:39:05,049 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:05,160 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-19 00:39:05,542 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-19 00:39:05,692 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-19 00:39:05,817 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-19 00:39:06,189 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 00:39:06,365 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:06,488 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-19 00:39:06,704 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-19 00:39:07,073 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-19 00:39:07,267 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-19 00:39:07,657 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 00:39:07,822 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 00:39:07,965 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-19 00:39:08,149 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-19 00:39:08,398 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-19 00:39:09,184 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-19 00:39:09,439 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:09,713 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:09,970 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:10,249 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:10,508 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:10,869 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 00:39:11,426 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-19 00:39:11,660 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-19 00:39:11,883 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-19 00:39:12,125 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 00:39:12,361 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 00:39:12,583 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 00:39:12,935 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-19 00:39:13,182 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 00:39:13,536 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-19 00:39:14,080 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-19 00:39:14,230 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 00:39:14,589 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-19 00:39:14,738 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 00:39:14,906 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-19 00:39:15,169 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2019-09-19 00:39:15,812 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-19 00:39:16,318 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-19 00:39:16,484 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-19 00:39:16,954 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-19 00:39:17,619 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 00:39:17,814 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 00:39:18,008 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-19 00:39:18,228 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 00:39:18,549 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-19 00:39:19,049 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-19 00:39:19,565 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 00:39:20,327 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-19 00:39:20,628 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-19 00:39:21,273 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-19 00:39:21,727 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2019-09-19 00:39:22,012 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-09-19 00:39:22,615 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-09-19 00:39:22,716 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-19 00:39:23,042 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 56 [2019-09-19 00:39:23,166 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-19 00:39:23,294 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-19 00:39:23,425 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-19 00:39:23,840 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2019-09-19 00:39:23,991 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-19 00:39:24,483 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 55 [2019-09-19 00:39:24,594 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 00:39:25,070 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2019-09-19 00:39:26,254 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 83 [2019-09-19 00:39:27,463 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 84 [2019-09-19 00:39:27,771 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-19 00:39:28,180 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-19 00:39:28,353 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 00:39:28,902 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 80 [2019-09-19 00:39:29,007 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 00:39:29,571 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2019-09-19 00:39:29,762 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 00:39:29,767 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 74 for LOIs [2019-09-19 00:39:30,239 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-19 00:39:30,401 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 00:39:30,790 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-19 00:39:30,952 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 00:39:31,514 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2019-09-19 00:39:31,775 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 00:39:32,704 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-19 00:39:33,320 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 35 for LOIs [2019-09-19 00:39:33,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-19 00:39:33,764 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-19 00:39:34,175 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 00:39:34,643 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 00:39:34,826 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-19 00:39:34,829 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 00:39:34,829 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 00:39:34,832 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1116#true [2019-09-19 00:39:34,842 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 00:39:34,842 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 00:39:34,844 INFO L168 Benchmark]: Toolchain (without parser) took 33606.70 ms. Allocated memory was 134.7 MB in the beginning and 465.6 MB in the end (delta: 330.8 MB). Free memory was 90.7 MB in the beginning and 184.1 MB in the end (delta: -93.4 MB). Peak memory consumption was 237.4 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,844 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.98 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 176.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,852 INFO L168 Benchmark]: Boogie Preprocessor took 40.75 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 174.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,853 INFO L168 Benchmark]: RCFGBuilder took 771.91 ms. Allocated memory is still 201.3 MB. Free memory was 174.7 MB in the beginning and 126.1 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,853 INFO L168 Benchmark]: Sifa took 32352.94 ms. Allocated memory was 201.3 MB in the beginning and 465.6 MB in the end (delta: 264.2 MB). Free memory was 126.1 MB in the beginning and 184.1 MB in the end (delta: -58.0 MB). Peak memory consumption was 206.2 MB. Max. memory is 7.1 GB. [2019-09-19 00:39:34,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 437.98 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 176.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.75 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 174.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 771.91 ms. Allocated memory is still 201.3 MB. Free memory was 174.7 MB in the beginning and 126.1 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * Sifa took 32352.94 ms. Allocated memory was 201.3 MB in the beginning and 465.6 MB in the end (delta: 264.2 MB). Free memory was 126.1 MB in the beginning and 184.1 MB in the end (delta: -58.0 MB). Peak memory consumption was 206.2 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]: 32319, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 539, DAG_INTERPRETER_EARLY_EXITS: 16, TOOLS_POST_APPLICATIONS: 392, TOOLS_POST_TIME[ms]: 174, TOOLS_POST_CALL_APPLICATIONS: 98, TOOLS_POST_CALL_TIME[ms]: 229, TOOLS_POST_RETURN_APPLICATIONS: 91, TOOLS_POST_RETURN_TIME[ms]: 239, TOOLS_QUANTIFIERELIM_APPLICATIONS: 581, TOOLS_QUANTIFIERELIM_TIME[ms]: 492, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 37, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 569, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 193, DOMAIN_JOIN_TIME[ms]: 25385, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 159, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 4257, DOMAIN_ISSUBSETEQ_APPLICATIONS: 366, DOMAIN_ISSUBSETEQ_TIME[ms]: 519, DOMAIN_ISBOTTOM_APPLICATIONS: 128, DOMAIN_ISBOTTOM_TIME[ms]: 306, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23723, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23723, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 30, CALL_SUMMARIZER_APPLICATIONS: 91, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25873, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 213 - 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 1116#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...