java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:20,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:20,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:20,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:20,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:20,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:20,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:20,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:20,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:20,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:20,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:20,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:20,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:20,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:20,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:20,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:20,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:20,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:20,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:20,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:20,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:20,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:20,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:20,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:20,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:20,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:20,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:20,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:20,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:20,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:20,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:20,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:20,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:20,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:20,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:20,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:20,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:20,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:20,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:20,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:20,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:20,859 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 14:25:20,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:20,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:20,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:20,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:20,876 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:20,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:20,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:20,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:20,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:20,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:20,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:20,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:20,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:20,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:20,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:20,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:20,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:20,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:20,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:20,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:20,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:20,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:20,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:20,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:20,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:20,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:20,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:20,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:20,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:25:20,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:20,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:20,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:20,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:20,929 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:20,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 14:25:20,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6485863/95c6fc88581346d4aad9f5b51cfa7ce1/FLAG306e996ed [2019-09-20 14:25:21,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:21,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 14:25:21,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6485863/95c6fc88581346d4aad9f5b51cfa7ce1/FLAG306e996ed [2019-09-20 14:25:21,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6485863/95c6fc88581346d4aad9f5b51cfa7ce1 [2019-09-20 14:25:21,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:21,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:21,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:21,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:21,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:21,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:21" (1/1) ... [2019-09-20 14:25:21,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395a6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:21, skipping insertion in model container [2019-09-20 14:25:21,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:21" (1/1) ... [2019-09-20 14:25:21,838 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:21,884 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:22,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:22,111 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:22,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:22,260 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:22,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22 WrapperNode [2019-09-20 14:25:22,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:22,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:22,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:22,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:22,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (1/1) ... [2019-09-20 14:25:22,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:22,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:22,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:22,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:22,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:22" (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 14:25:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 14:25:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 14:25:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 14:25:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 14:25:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 14:25:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 14:25:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 14:25:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 14:25:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 14:25:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 14:25:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 14:25:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 14:25:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 14:25:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 14:25:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 14:25:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 14:25:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 14:25:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 14:25:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 14:25:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 14:25:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:23,084 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:23,084 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:25:23,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:23 BoogieIcfgContainer [2019-09-20 14:25:23,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:23,087 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:23,087 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:23,087 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:23,088 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:23" (1/1) ... [2019-09-20 14:25:23,089 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:25:23,114 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:23,114 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:23,124 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:23,134 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:23,136 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:23,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 14:25:23,375 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 14:25:24,442 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 14:25:24,616 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 14:25:24,921 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 14:25:25,531 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-09-20 14:25:25,693 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-09-20 14:25:26,473 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:26,757 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:27,010 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:27,351 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:27,683 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:28,051 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:28,399 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:28,669 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:28,957 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:29,247 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:29,444 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:29,925 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:30,197 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:30,418 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:30,757 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:31,127 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:31,570 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:32,145 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:32,416 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:32,726 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:32,900 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:33,150 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 15 [2019-09-20 14:25:33,391 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:33,669 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:33,885 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:34,165 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:34,483 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:34,847 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:35,147 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:35,445 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:35,720 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:36,030 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:36,236 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 14:25:36,766 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 14:25:36,984 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:37,261 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:37,467 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:37,747 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:38,046 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:38,401 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:38,694 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:38,960 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:39,256 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:39,557 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:40,231 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 14:25:40,521 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 14:25:41,383 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:41,654 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:41,860 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:42,147 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:42,495 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:42,597 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 14:25:42,883 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:43,160 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:43,444 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:43,728 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:44,023 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:44,212 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:44,616 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:44,888 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:45,093 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:45,368 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:45,675 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:46,033 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:46,322 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:46,589 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:46,862 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:47,166 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:47,346 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:47,757 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:48,033 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:48,258 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:48,559 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:48,880 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:49,227 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:49,496 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:49,779 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:50,050 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:50,351 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:50,565 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 14:25:51,078 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 14:25:51,294 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:51,567 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 14:25:51,773 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:52,049 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 14:25:52,352 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 14:25:52,705 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 14:25:52,999 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:53,270 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 14:25:53,544 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 14:25:53,858 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 14:25:54,090 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-20 14:25:54,692 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2019-09-20 14:25:54,845 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 14:25:55,153 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2019-09-20 14:25:55,226 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-20 14:25:55,426 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-20 14:25:55,865 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 14:25:55,969 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 14:25:56,196 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-20 14:25:56,300 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 14:25:56,659 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 14:25:57,008 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 14:25:57,177 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 14:25:57,412 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 14:25:57,669 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 14:25:57,963 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 14:25:58,120 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 14:25:58,367 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-20 14:25:58,586 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 14:25:58,903 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 14:25:59,151 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 14:25:59,398 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 14:25:59,417 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 14:25:59,894 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 17 for LOIs [2019-09-20 14:25:59,961 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 26 for LOIs [2019-09-20 14:25:59,962 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 27 for LOIs [2019-09-20 14:26:00,054 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 14:26:00,056 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:26:00,056 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:26:00,058 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2367#true [2019-09-20 14:26:00,069 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:26:00,069 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:26:00,070 INFO L168 Benchmark]: Toolchain (without parser) took 38248.78 ms. Allocated memory was 138.9 MB in the beginning and 502.8 MB in the end (delta: 363.9 MB). Free memory was 86.4 MB in the beginning and 116.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 333.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:00,071 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:26:00,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.63 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 174.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:00,073 INFO L168 Benchmark]: Boogie Preprocessor took 43.33 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:00,073 INFO L168 Benchmark]: RCFGBuilder took 781.39 ms. Allocated memory is still 199.2 MB. Free memory was 172.3 MB in the beginning and 124.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:00,074 INFO L168 Benchmark]: Sifa took 36982.11 ms. Allocated memory was 199.2 MB in the beginning and 502.8 MB in the end (delta: 303.6 MB). Free memory was 124.2 MB in the beginning and 116.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 311.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:00,077 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 438.63 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 174.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.33 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 781.39 ms. Allocated memory is still 199.2 MB. Free memory was 172.3 MB in the beginning and 124.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Sifa took 36982.11 ms. Allocated memory was 199.2 MB in the beginning and 502.8 MB in the end (delta: 303.6 MB). Free memory was 124.2 MB in the beginning and 116.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 311.3 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]: 36945, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1503, DAG_INTERPRETER_EARLY_EXITS: 68, TOOLS_POST_APPLICATIONS: 1077, TOOLS_POST_TIME[ms]: 354, TOOLS_POST_CALL_APPLICATIONS: 274, TOOLS_POST_CALL_TIME[ms]: 389, TOOLS_POST_RETURN_APPLICATIONS: 264, TOOLS_POST_RETURN_TIME[ms]: 201, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1614, TOOLS_QUANTIFIERELIM_TIME[ms]: 674, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 1642, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 309, DOMAIN_JOIN_TIME[ms]: 34497, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 25, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 549, DOMAIN_ISSUBSETEQ_APPLICATIONS: 139, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 271, DOMAIN_ISBOTTOM_TIME[ms]: 614, LOOP_SUMMARIZER_APPLICATIONS: 130, LOOP_SUMMARIZER_CACHE_MISSES: 130, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 31199, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31198, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 139, CALL_SUMMARIZER_APPLICATIONS: 264, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30550, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30549, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 47, 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 2367#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...