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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 20:36:50,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 20:36:50,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 20:36:50,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 20:36:50,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 20:36:50,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 20:36:50,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 20:36:50,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 20:36:50,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 20:36:50,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 20:36:50,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 20:36:50,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 20:36:50,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 20:36:50,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 20:36:50,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 20:36:50,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 20:36:50,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 20:36:50,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 20:36:50,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 20:36:50,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 20:36:50,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 20:36:50,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 20:36:50,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 20:36:50,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 20:36:50,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 20:36:50,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 20:36:50,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 20:36:50,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 20:36:50,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 20:36:50,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 20:36:50,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 20:36:50,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 20:36:50,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 20:36:50,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 20:36:50,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 20:36:50,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 20:36:50,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 20:36:50,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 20:36:50,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 20:36:50,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 20:36:50,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 20:36:50,650 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 [2019-09-17 20:36:50,669 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 20:36:50,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 20:36:50,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 20:36:50,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 20:36:50,671 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 20:36:50,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 20:36:50,671 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 20:36:50,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 20:36:50,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 20:36:50,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 20:36:50,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 20:36:50,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 20:36:50,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 20:36:50,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 20:36:50,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 20:36:50,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 20:36:50,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 20:36:50,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 20:36:50,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 20:36:50,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 20:36:50,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 20:36:50,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 20:36:50,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 20:36:50,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 20:36:50,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 20:36:50,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 20:36:50,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 20:36:50,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 20:36:50,678 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 20:36:50,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 20:36:50,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 20:36:50,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 20:36:50,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 20:36:50,751 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 20:36:50,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-17 20:36:50,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0a940da/a578d54a4d474e118162f8998e37ae11/FLAG022f7863e [2019-09-17 20:36:51,240 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 20:36:51,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-17 20:36:51,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0a940da/a578d54a4d474e118162f8998e37ae11/FLAG022f7863e [2019-09-17 20:36:51,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0a940da/a578d54a4d474e118162f8998e37ae11 [2019-09-17 20:36:51,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 20:36:51,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 20:36:51,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 20:36:51,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 20:36:51,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 20:36:51,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 08:36:51" (1/1) ... [2019-09-17 20:36:51,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283534bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:51, skipping insertion in model container [2019-09-17 20:36:51,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 08:36:51" (1/1) ... [2019-09-17 20:36:51,673 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 20:36:51,705 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 20:36:51,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 20:36:51,970 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 20:36:52,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 20:36:52,129 INFO L192 MainTranslator]: Completed translation [2019-09-17 20:36:52,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52 WrapperNode [2019-09-17 20:36:52,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 20:36:52,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 20:36:52,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 20:36:52,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 20:36:52,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 20:36:52,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 20:36:52,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 20:36:52,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 20:36:52,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 08:36:52" (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 [2019-09-17 20:36:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 20:36:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 20:36:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 20:36:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-17 20:36:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 20:36:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 20:36:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 20:36:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 20:36:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 20:36:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 20:36:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 20:36:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 20:36:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 20:36:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-17 20:36:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-17 20:36:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-17 20:36:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 20:36:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 20:36:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 20:36:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 20:36:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 20:36:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 20:36:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 20:36:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 20:36:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 20:36:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 20:36:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 20:36:52,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 20:36:52,986 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 20:36:52,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 08:36:52 BoogieIcfgContainer [2019-09-17 20:36:52,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 20:36:52,988 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 20:36:52,988 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 20:36:52,989 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 20:36:52,990 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 08:36:52" (1/1) ... [2019-09-17 20:36:52,990 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 20:36:53,015 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 20:36:53,016 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 20:36:53,025 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 20:36:53,034 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 20:36:53,035 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 20:36:53,344 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-17 20:36:53,587 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-17 20:36:53,615 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 77 for LOIs [2019-09-17 20:36:53,831 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 76 for LOIs [2019-09-17 20:36:54,716 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-17 20:36:56,361 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:36:56,532 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-17 20:36:56,642 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:36:57,318 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-09-17 20:36:57,635 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-17 20:36:57,906 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 20:36:58,251 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 20:36:58,534 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-09-17 20:36:58,781 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-09-17 20:36:58,891 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:36:59,140 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:37:00,461 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-09-17 20:37:00,570 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:37:00,822 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:37:01,101 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-09-17 20:37:01,414 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-17 20:37:01,667 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 20:37:01,999 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 20:37:02,474 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-09-17 20:37:02,594 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:37:02,852 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 20:37:03,321 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-17 20:37:03,425 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 20:37:03,531 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-17 20:37:03,833 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-17 20:37:04,369 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-17 20:37:04,611 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 20:37:05,188 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-17 20:37:05,197 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 75 for LOIs [2019-09-17 20:37:05,638 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-17 20:37:05,812 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 20:37:06,293 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-17 20:37:06,689 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-17 20:37:06,867 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 20:37:07,289 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-17 20:37:07,805 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-09-17 20:37:08,045 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 20:37:08,570 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-17 20:37:09,079 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-09-17 20:37:09,351 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 20:37:09,878 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-17 20:37:10,672 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2019-09-17 20:37:11,042 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 20:37:11,832 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 119 [2019-09-17 20:37:12,681 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2019-09-17 20:37:13,101 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 20:37:14,006 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2019-09-17 20:37:14,424 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 20:37:14,837 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 20:37:15,686 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2019-09-17 20:37:16,449 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2019-09-17 20:37:16,808 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 20:37:17,601 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2019-09-17 20:37:18,234 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2019-09-17 20:37:18,505 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 20:37:19,138 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2019-09-17 20:37:19,720 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 111 [2019-09-17 20:37:19,988 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 20:37:20,600 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2019-09-17 20:37:21,231 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2019-09-17 20:37:21,527 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 20:37:22,167 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-17 20:37:22,787 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2019-09-17 20:37:23,090 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 20:37:23,753 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-17 20:37:24,502 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-17 20:37:24,849 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 20:37:25,456 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 102 [2019-09-17 20:37:26,349 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 136 [2019-09-17 20:37:26,775 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 20:37:27,672 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2019-09-17 20:37:28,106 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 20:37:28,537 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 20:37:29,459 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2019-09-17 20:37:30,290 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 127 [2019-09-17 20:37:30,712 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 20:37:31,508 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2019-09-17 20:37:32,269 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2019-09-17 20:37:32,603 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 20:37:33,274 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-17 20:37:33,873 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2019-09-17 20:37:34,132 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 20:37:34,683 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2019-09-17 20:37:35,319 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2019-09-17 20:37:35,990 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 117 [2019-09-17 20:37:36,122 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-09-17 20:37:36,335 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-17 20:37:36,981 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2019-09-17 20:37:37,118 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-17 20:37:37,393 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2019-09-17 20:37:37,865 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-17 20:37:38,073 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 20:37:38,498 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-17 20:37:38,926 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-17 20:37:39,122 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 20:37:39,558 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-17 20:37:40,009 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-09-17 20:37:40,493 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-09-17 20:37:40,826 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-09-17 20:37:41,569 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-17 20:37:41,768 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 20:37:42,199 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-17 20:37:42,664 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-09-17 20:37:42,698 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 30 for LOIs [2019-09-17 20:37:42,835 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-09-17 20:37:43,087 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-09-17 20:37:43,353 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-17 20:37:43,606 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-17 20:37:43,751 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-17 20:37:44,000 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-17 20:37:44,650 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-17 20:37:44,764 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-17 20:37:45,005 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-17 20:37:45,236 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-17 20:37:45,600 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-17 20:37:45,907 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-17 20:37:46,532 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-17 20:37:46,647 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-17 20:37:46,879 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-17 20:37:47,470 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-17 20:37:47,788 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-17 20:37:47,906 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-17 20:37:48,091 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 32 for LOIs [2019-09-17 20:37:48,240 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 20:37:48,240 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 20:37:48,243 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1014#(and (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~p_dw_i~0) (<= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (or (and (<= 1 ~c_dr_i~0) (and (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) (and (and (<= 1 ~c_dr_i~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= ~c_num_read~0 ~p_num_write~0)))) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)) [2019-09-17 20:37:48,253 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 20:37:48,254 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 20:37:48,255 INFO L168 Benchmark]: Toolchain (without parser) took 56598.92 ms. Allocated memory was 129.5 MB in the beginning and 618.1 MB in the end (delta: 488.6 MB). Free memory was 84.8 MB in the beginning and 108.2 MB in the end (delta: -23.3 MB). Peak memory consumption was 465.3 MB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,256 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.98 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 171.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,258 INFO L168 Benchmark]: Boogie Preprocessor took 61.37 ms. Allocated memory is still 196.6 MB. Free memory was 171.4 MB in the beginning and 169.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,258 INFO L168 Benchmark]: RCFGBuilder took 796.47 ms. Allocated memory is still 196.6 MB. Free memory was 169.4 MB in the beginning and 120.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,259 INFO L168 Benchmark]: Sifa took 55265.37 ms. Allocated memory was 196.6 MB in the beginning and 618.1 MB in the end (delta: 421.5 MB). Free memory was 120.1 MB in the beginning and 108.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 433.5 MB. Max. memory is 7.1 GB. [2019-09-17 20:37:48,262 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 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.98 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 171.4 MB in the end (delta: -86.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.37 ms. Allocated memory is still 196.6 MB. Free memory was 171.4 MB in the beginning and 169.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 796.47 ms. Allocated memory is still 196.6 MB. Free memory was 169.4 MB in the beginning and 120.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * Sifa took 55265.37 ms. Allocated memory was 196.6 MB in the beginning and 618.1 MB in the end (delta: 421.5 MB). Free memory was 120.1 MB in the beginning and 108.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 433.5 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]: 55228, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 366, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 265, TOOLS_POST_TIME[ms]: 115, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 239, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 405, TOOLS_QUANTIFIERELIM_TIME[ms]: 328, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 381, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 143, DOMAIN_JOIN_TIME[ms]: 48477, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5874, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 97, DOMAIN_ISBOTTOM_TIME[ms]: 254, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46046, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46045, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9825, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9824, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 209 - 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 1014#(and (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~p_dw_i~0) (<= 1 ~q_req_up~0) (<= ~q_free~0 1) (<= ~q_req_up~0 1) (or (and (<= 1 ~c_dr_i~0) (and (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) (and (and (<= 1 ~c_dr_i~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= ~c_num_read~0 ~p_num_write~0)))) (<= ~c_dr_st~0 1) (<= 1 ~q_free~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...