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 IntervalDomain --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/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:44:41,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:44:41,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:44:41,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:44:41,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:44:41,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:44:41,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:44:41,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:44:41,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:44:41,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:44:41,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:44:41,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:44:41,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:44:41,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:44:41,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:44:41,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:44:41,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:44:41,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:44:41,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:44:41,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:44:41,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:44:41,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:44:41,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:44:41,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:44:41,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:44:41,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:44:41,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:44:41,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:44:41,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:44:41,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:44:41,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:44:41,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:44:41,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:44:41,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:44:41,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:44:41,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:44:41,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:44:41,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:44:41,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:44:41,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:44:41,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:44:41,933 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 16:44:41,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:44:41,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:44:41,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:44:41,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:44:41,959 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:44:41,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:44:41,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:44:41,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:44:41,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:44:41,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:44:41,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:44:41,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:44:41,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:44:41,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:44:41,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:44:41,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:44:41,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:44:41,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:44:41,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:44:41,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:44:41,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:44:41,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:41,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:44:41,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:44:41,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:44:41,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:44:41,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:44:41,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:44:41,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 16:44:42,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:44:42,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:44:42,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:44:42,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:44:42,047 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:44:42,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 16:44:42,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb65dc24/c9ce23e1c9814e2c88739328f8406721/FLAG2e2e62502 [2019-09-20 16:44:42,600 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:44:42,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-09-20 16:44:42,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb65dc24/c9ce23e1c9814e2c88739328f8406721/FLAG2e2e62502 [2019-09-20 16:44:42,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb65dc24/c9ce23e1c9814e2c88739328f8406721 [2019-09-20 16:44:42,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:44:42,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:44:42,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:42,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:44:42,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:44:42,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:42" (1/1) ... [2019-09-20 16:44:42,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@905c48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:42, skipping insertion in model container [2019-09-20 16:44:42,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:42" (1/1) ... [2019-09-20 16:44:42,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:44:43,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:44:43,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:43,303 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:44:43,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:43,479 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:44:43,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43 WrapperNode [2019-09-20 16:44:43,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:43,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:44:43,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:44:43,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:44:43,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (1/1) ... [2019-09-20 16:44:43,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:44:43,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:44:43,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:44:43,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:44:43,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:43" (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 16:44:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:44:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:44:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 16:44:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 16:44:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 16:44:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 16:44:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 16:44:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 16:44:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 16:44:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 16:44:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 16:44:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 16:44:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:44:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:44:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 16:44:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 16:44:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 16:44:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 16:44:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 16:44:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:44:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:44:44,444 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:44:44,444 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:44:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:44 BoogieIcfgContainer [2019-09-20 16:44:44,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:44:44,446 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:44:44,446 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:44:44,447 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:44:44,448 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:44" (1/1) ... [2019-09-20 16:44:44,448 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:44:44,472 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:44:44,473 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:44:44,482 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:44:44,491 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:44:44,492 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:44:44,702 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 16:44:44,756 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-20 16:44:44,842 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 83 for LOIs [2019-09-20 16:44:44,911 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:44:45,473 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 16:44:45,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:44:45,911 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 16:44:48,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:44:48,641 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 16:44:50,580 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 16:44:50,693 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 16:44:51,043 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-09-20 16:44:51,352 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 16:44:52,052 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-20 16:44:52,196 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 16:44:52,560 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 16:44:52,565 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 58 for LOIs [2019-09-20 16:44:53,138 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 16:44:53,249 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 16:44:53,607 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 16:44:54,005 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:54,128 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:54,943 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:55,068 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:44:55,435 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 33 for LOIs [2019-09-20 16:44:55,436 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 24 for LOIs [2019-09-20 16:44:55,456 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:44:55,456 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:44:55,459 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 958#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= ~t2_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)) [2019-09-20 16:44:55,477 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:44:55,477 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:44:55,479 INFO L168 Benchmark]: Toolchain (without parser) took 12512.87 ms. Allocated memory was 138.9 MB in the beginning and 408.4 MB in the end (delta: 269.5 MB). Free memory was 84.6 MB in the beginning and 74.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 280.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,480 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.00 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 173.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,482 INFO L168 Benchmark]: Boogie Preprocessor took 54.29 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,483 INFO L168 Benchmark]: RCFGBuilder took 910.81 ms. Allocated memory is still 198.7 MB. Free memory was 171.2 MB in the beginning and 100.2 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,484 INFO L168 Benchmark]: Sifa took 11031.29 ms. Allocated memory was 198.7 MB in the beginning and 408.4 MB in the end (delta: 209.7 MB). Free memory was 100.2 MB in the beginning and 74.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 235.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:55,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 513.00 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 173.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.29 ms. Allocated memory is still 198.7 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 910.81 ms. Allocated memory is still 198.7 MB. Free memory was 171.2 MB in the beginning and 100.2 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. * Sifa took 11031.29 ms. Allocated memory was 198.7 MB in the beginning and 408.4 MB in the end (delta: 209.7 MB). Free memory was 100.2 MB in the beginning and 74.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 235.8 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]: 10987, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 158, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 314, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 117, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 393, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 9575, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 318, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 292, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8774, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8773, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6596, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6595, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 503, DAG_COMPRESSION_RETAINED_NODES: 273 - 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 958#(and (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 1 ~t2_i~0) (<= ~t1_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~m_i~0 1) (<= ~t2_i~0 1) (<= 1 ~m_i~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...