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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:39:49,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:39:49,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:39:49,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:39:49,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:39:49,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:39:49,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:39:49,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:39:49,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:39:49,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:39:49,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:39:49,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:39:49,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:39:49,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:39:49,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:39:49,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:39:49,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:39:49,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:39:49,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:39:49,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:39:49,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:39:49,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:39:49,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:39:49,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:39:49,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:39:49,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:39:49,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:39:49,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:39:49,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:39:49,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:39:49,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:39:49,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:39:49,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:39:49,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:39:49,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:39:49,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:39:49,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:39:49,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:39:49,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:39:49,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:39:49,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:39:49,063 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 22:39:49,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:39:49,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:39:49,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:39:49,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:39:49,080 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:39:49,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:39:49,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:39:49,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:39:49,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:39:49,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:39:49,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:39:49,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:39:49,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:39:49,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:39:49,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:39:49,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:39:49,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:39:49,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:39:49,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:39:49,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:39:49,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:39:49,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:39:49,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:39:49,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:39:49,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:39:49,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:39:49,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:39:49,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:39:49,085 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:39:49,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:39:49,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:39:49,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:39:49,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:39:49,144 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:39:49,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 22:39:49,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81556c75c/ff7f3edd09c1430c82feff416cbc3203/FLAG09814b0c8 [2019-09-20 22:39:49,708 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:39:49,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 22:39:49,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81556c75c/ff7f3edd09c1430c82feff416cbc3203/FLAG09814b0c8 [2019-09-20 22:39:50,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81556c75c/ff7f3edd09c1430c82feff416cbc3203 [2019-09-20 22:39:50,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:39:50,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:39:50,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:39:50,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:39:50,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:39:50,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50, skipping insertion in model container [2019-09-20 22:39:50,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:39:50,169 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:39:50,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:39:50,416 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:39:50,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:39:50,570 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:39:50,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50 WrapperNode [2019-09-20 22:39:50,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:39:50,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:39:50,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:39:50,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:39:50,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (1/1) ... [2019-09-20 22:39:50,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:39:50,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:39:50,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:39:50,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:39:50,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:50" (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 22:39:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 22:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 22:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 22:39:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 22:39:50,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 22:39:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 22:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 22:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 22:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 22:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 22:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 22:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 22:39:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 22:39:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 22:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 22:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 22:39:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 22:39:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 22:39:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 22:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 22:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 22:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:39:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:39:51,456 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:39:51,457 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 22:39:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:51 BoogieIcfgContainer [2019-09-20 22:39:51,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:39:51,459 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:39:51,459 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:39:51,459 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:39:51,461 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:51" (1/1) ... [2019-09-20 22:39:51,461 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:39:51,484 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:39:51,484 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:39:51,493 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:39:51,504 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:39:51,505 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:39:51,654 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 37 for LOIs [2019-09-20 22:39:51,687 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 31 for LOIs [2019-09-20 22:39:53,039 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 25 for LOIs [2019-09-20 22:39:53,228 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 19 for LOIs [2019-09-20 22:39:53,232 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 22:39:53,235 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:39:53,235 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:39:53,237 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 752#true [2019-09-20 22:39:53,249 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:39:53,250 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:39:53,252 INFO L168 Benchmark]: Toolchain (without parser) took 3146.05 ms. Allocated memory was 142.6 MB in the beginning and 253.8 MB in the end (delta: 111.1 MB). Free memory was 89.8 MB in the beginning and 194.4 MB in the end (delta: -104.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:53,253 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 142.6 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:39:53,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.58 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 89.8 MB in the beginning and 176.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:53,255 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 201.9 MB. Free memory was 176.8 MB in the beginning and 175.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:53,256 INFO L168 Benchmark]: RCFGBuilder took 837.62 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 121.9 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:53,257 INFO L168 Benchmark]: Sifa took 1791.07 ms. Allocated memory was 201.9 MB in the beginning and 253.8 MB in the end (delta: 51.9 MB). Free memory was 121.9 MB in the beginning and 194.4 MB in the end (delta: -72.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:39:53,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 142.6 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 464.58 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 89.8 MB in the beginning and 176.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 201.9 MB. Free memory was 176.8 MB in the beginning and 175.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 837.62 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 121.9 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * Sifa took 1791.07 ms. Allocated memory was 201.9 MB in the beginning and 253.8 MB in the end (delta: 51.9 MB). Free memory was 121.9 MB in the beginning and 194.4 MB in the end (delta: -72.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1754, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 256, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 174, TOOLS_POST_TIME[ms]: 63, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 59, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 285, TOOLS_QUANTIFIERELIM_TIME[ms]: 116, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 265, FLUID_YES_ANSWERS: 265, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 1034, DOMAIN_ALPHA_APPLICATIONS: 265, DOMAIN_ALPHA_TIME[ms]: 360, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 44, DOMAIN_ISBOTTOM_TIME[ms]: 38, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1131, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1130, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1293, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1292, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 752#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...