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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:36:29,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:36:29,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:36:29,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:36:29,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:36:29,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:36:29,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:36:29,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:36:29,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:36:29,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:36:29,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:36:29,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:36:29,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:36:29,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:36:29,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:36:29,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:36:29,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:36:29,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:36:29,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:36:29,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:36:29,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:36:29,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:36:29,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:36:29,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:36:29,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:36:29,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:36:29,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:36:29,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:36:29,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:36:29,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:36:29,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:36:29,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:36:29,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:36:29,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:36:29,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:36:29,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:36:29,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:36:29,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:36:29,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:36:29,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:36:29,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:36:29,486 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 23:36:29,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:36:29,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:36:29,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:36:29,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:36:29,505 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:36:29,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:36:29,505 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:36:29,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:36:29,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:36:29,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:36:29,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:36:29,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:36:29,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:36:29,507 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:36:29,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:36:29,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:36:29,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:36:29,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:36:29,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:36:29,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:36:29,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:36:29,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:36:29,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:36:29,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:36:29,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:36:29,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:36:29,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:36:29,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:36:29,511 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:36:29,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:36:29,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:36:29,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:36:29,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:36:29,582 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:36:29,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 23:36:29,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e73e4f48/944c660c1fb34a98b6abdcc2cfb36bde/FLAG04f5dc262 [2019-09-20 23:36:30,141 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:36:30,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 23:36:30,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e73e4f48/944c660c1fb34a98b6abdcc2cfb36bde/FLAG04f5dc262 [2019-09-20 23:36:30,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e73e4f48/944c660c1fb34a98b6abdcc2cfb36bde [2019-09-20 23:36:30,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:36:30,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:36:30,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:30,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:36:30,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:36:30,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c5b7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30, skipping insertion in model container [2019-09-20 23:36:30,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:36:30,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:36:30,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:30,744 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:36:30,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:30,902 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:36:30,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30 WrapperNode [2019-09-20 23:36:30,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:30,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:36:30,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:36:30,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:36:30,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (1/1) ... [2019-09-20 23:36:30,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:36:30,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:36:30,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:36:30,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:36:30,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:30" (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 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 23:36:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 23:36:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 23:36:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 23:36:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 23:36:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 23:36:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:36:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:36:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:36:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 23:36:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 23:36:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 23:36:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 23:36:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 23:36:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 23:36:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:36:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:36:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:36:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:36:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:36:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:36:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:36:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 23:36:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 23:36:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 23:36:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 23:36:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 23:36:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 23:36:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 23:36:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 23:36:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 23:36:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 23:36:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:36:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:36:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:36:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:36:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:36:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:36:31,778 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:36:31,778 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:36:31,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:31 BoogieIcfgContainer [2019-09-20 23:36:31,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:36:31,780 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:36:31,780 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:36:31,781 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:36:31,782 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:31" (1/1) ... [2019-09-20 23:36:31,783 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:36:31,807 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:36:31,808 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:36:31,818 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:36:31,828 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:36:31,829 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:36:31,993 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 23:36:32,027 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-09-20 23:36:33,129 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 23:36:33,301 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 23:36:33,467 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-20 23:36:34,030 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-09-20 23:36:35,008 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:35,311 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:35,524 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:35,828 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:36,186 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:36,578 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:36,890 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:37,156 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:37,439 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:37,771 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:37,967 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:38,412 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:38,678 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:38,905 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:39,234 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:39,551 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:39,904 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:40,224 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:40,496 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:40,792 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:41,100 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:41,290 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:41,694 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:41,982 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:42,219 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:42,499 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:42,809 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:43,169 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:43,449 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:43,748 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:44,028 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:44,338 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:44,559 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 23:36:45,101 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 23:36:45,353 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:45,643 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:45,859 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:46,168 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:46,483 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:46,825 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:47,131 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:47,416 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:47,682 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:47,978 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:48,397 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2019-09-20 23:36:48,524 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:36:50,148 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:50,423 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:50,639 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:50,936 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:51,228 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:51,568 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:51,856 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:52,128 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:52,397 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:52,703 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:52,877 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:53,282 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:53,557 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:53,772 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:54,058 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:54,447 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:54,590 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 23:36:54,925 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:55,302 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:55,647 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:55,897 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:56,195 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:56,375 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:56,770 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:57,039 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:36:57,264 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:57,549 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:36:57,848 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:36:58,193 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:36:58,520 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:58,854 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:36:59,115 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:36:59,416 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:36:59,618 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 23:37:00,129 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-20 23:37:00,346 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:37:00,620 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 23:37:00,828 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:37:01,115 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2019-09-20 23:37:01,415 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2019-09-20 23:37:01,755 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-09-20 23:37:02,023 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:37:02,317 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 23:37:02,600 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 23:37:02,912 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-20 23:37:03,263 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-20 23:37:03,386 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:37:03,665 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-20 23:37:03,792 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 23:37:04,462 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-09-20 23:37:04,646 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:04,941 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2019-09-20 23:37:05,060 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 23:37:05,442 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 23:37:05,995 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-20 23:37:06,141 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:37:06,450 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2019-09-20 23:37:06,749 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-20 23:37:06,878 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:37:06,881 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 67 for LOIs [2019-09-20 23:37:07,255 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 54 [2019-09-20 23:37:07,851 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 23:37:08,017 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 23:37:08,389 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 23:37:08,552 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 23:37:09,045 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-20 23:37:09,502 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-20 23:37:09,842 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 23:37:10,319 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 23:37:10,595 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 23:37:10,735 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 23:37:10,995 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2019-09-20 23:37:11,207 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 23:37:11,444 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-20 23:37:11,696 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2019-09-20 23:37:11,962 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 23:37:11,984 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs [2019-09-20 23:37:12,426 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 17 for LOIs [2019-09-20 23:37:12,491 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 26 for LOIs [2019-09-20 23:37:12,492 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 27 for LOIs [2019-09-20 23:37:12,578 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 23:37:12,580 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:12,580 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:12,582 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2371#true [2019-09-20 23:37:12,598 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:12,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:12,605 INFO L168 Benchmark]: Toolchain (without parser) took 42133.47 ms. Allocated memory was 134.7 MB in the beginning and 463.5 MB in the end (delta: 328.7 MB). Free memory was 89.1 MB in the beginning and 210.4 MB in the end (delta: -121.2 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,606 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.66 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 177.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,608 INFO L168 Benchmark]: Boogie Preprocessor took 47.08 ms. Allocated memory is still 202.4 MB. Free memory was 177.6 MB in the beginning and 175.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,611 INFO L168 Benchmark]: RCFGBuilder took 829.69 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 128.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,613 INFO L168 Benchmark]: Sifa took 40818.28 ms. Allocated memory was 202.4 MB in the beginning and 463.5 MB in the end (delta: 261.1 MB). Free memory was 128.0 MB in the beginning and 210.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 178.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:12,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 434.66 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 177.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.08 ms. Allocated memory is still 202.4 MB. Free memory was 177.6 MB in the beginning and 175.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 829.69 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 128.0 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * Sifa took 40818.28 ms. Allocated memory was 202.4 MB in the beginning and 463.5 MB in the end (delta: 261.1 MB). Free memory was 128.0 MB in the beginning and 210.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 178.7 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]: 40775, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1521, DAG_INTERPRETER_EARLY_EXITS: 68, TOOLS_POST_APPLICATIONS: 1085, TOOLS_POST_TIME[ms]: 354, TOOLS_POST_CALL_APPLICATIONS: 284, TOOLS_POST_CALL_TIME[ms]: 362, TOOLS_POST_RETURN_APPLICATIONS: 274, TOOLS_POST_RETURN_TIME[ms]: 227, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1642, TOOLS_QUANTIFIERELIM_TIME[ms]: 662, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1661, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 311, DOMAIN_JOIN_TIME[ms]: 37819, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1240, DOMAIN_ISSUBSETEQ_APPLICATIONS: 140, DOMAIN_ISSUBSETEQ_TIME[ms]: 55, DOMAIN_ISBOTTOM_APPLICATIONS: 272, DOMAIN_ISBOTTOM_TIME[ms]: 493, LOOP_SUMMARIZER_APPLICATIONS: 130, LOOP_SUMMARIZER_CACHE_MISSES: 130, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 34136, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34135, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 140, CALL_SUMMARIZER_APPLICATIONS: 274, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30568, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30567, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 43, 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 2371#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces