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/pc_sfifo_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:39:47,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:39:47,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:39:47,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:39:47,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:39:47,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:39:47,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:39:47,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:39:47,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:39:47,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:39:47,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:39:47,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:39:47,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:39:47,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:39:47,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:39:47,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:39:47,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:39:47,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:39:47,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:39:47,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:39:47,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:39:47,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:39:47,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:39:47,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:39:47,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:39:47,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:39:47,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:39:47,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:39:47,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:39:47,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:39:47,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:39:47,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:39:47,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:39:47,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:39:47,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:39:47,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:39:47,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:39:47,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:39:47,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:39:47,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:39:47,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:39:47,624 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 22:39:47,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:39:47,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:39:47,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:39:47,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:39:47,640 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:39:47,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:39:47,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:39:47,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:39:47,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:39:47,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:39:47,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:39:47,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:39:47,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:39:47,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:39:47,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:39:47,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:39:47,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:39:47,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:39:47,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:39:47,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:39:47,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:39:47,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:39:47,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:39:47,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:39:47,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:39:47,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:39:47,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:39:47,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:39:47,645 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 22:39:47,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:39:47,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:39:47,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:39:47,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:39:47,695 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:39:47,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 22:39:47,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566b03872/6e765807d8a748af9fc50b950e597f70/FLAGa24ccb522 [2019-09-20 22:39:48,247 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:39:48,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 22:39:48,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566b03872/6e765807d8a748af9fc50b950e597f70/FLAGa24ccb522 [2019-09-20 22:39:48,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566b03872/6e765807d8a748af9fc50b950e597f70 [2019-09-20 22:39:48,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:39:48,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:39:48,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:39:48,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:39:48,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:39:48,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:39:48" (1/1) ... [2019-09-20 22:39:48,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be43138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:48, skipping insertion in model container [2019-09-20 22:39:48,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:39:48" (1/1) ... [2019-09-20 22:39:48,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:39:48,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:39:48,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:39:48,902 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:39:49,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:39:49,068 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:39:49,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49 WrapperNode [2019-09-20 22:39:49,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:39:49,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:39:49,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:39:49,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:39:49,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:39:49,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:39:49,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:39:49,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:39:49,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:39:49" (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 22:39:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:39:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:39:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 22:39:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 22:39:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 22:39:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 22:39:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 22:39:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 22:39:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 22:39:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 22:39:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 22:39:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 22:39:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 22:39:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 22:39:49,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:39:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:39:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:39:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 22:39:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 22:39:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 22:39:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 22:39:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 22:39:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 22:39:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 22:39:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 22:39:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 22:39:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 22:39:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 22:39:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:39:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:39:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:39:49,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:39:49,925 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 22:39:49,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:49 BoogieIcfgContainer [2019-09-20 22:39:49,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:39:49,927 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:39:49,927 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:39:49,927 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:39:49,928 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:39:49" (1/1) ... [2019-09-20 22:39:49,929 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 22:39:49,947 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:39:49,948 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:39:49,957 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:39:49,966 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:39:49,967 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:39:50,142 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 52 for LOIs [2019-09-20 22:39:50,223 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 46 for LOIs [2019-09-20 22:39:51,458 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 37 for LOIs [2019-09-20 22:39:51,525 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 22 for LOIs [2019-09-20 22:39:51,631 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 22:39:51,633 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:39:51,634 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:39:51,636 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 811#true [2019-09-20 22:39:51,647 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:39:51,648 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:39:51,650 INFO L168 Benchmark]: Toolchain (without parser) took 3022.98 ms. Allocated memory was 134.2 MB in the beginning and 256.4 MB in the end (delta: 122.2 MB). Free memory was 90.1 MB in the beginning and 188.8 MB in the end (delta: -98.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:51,651 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:39:51,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.65 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.7 MB in the beginning and 175.7 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:51,653 INFO L168 Benchmark]: Boogie Preprocessor took 52.20 ms. Allocated memory is still 201.3 MB. Free memory was 175.7 MB in the beginning and 173.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:51,654 INFO L168 Benchmark]: RCFGBuilder took 804.02 ms. Allocated memory is still 201.3 MB. Free memory was 173.9 MB in the beginning and 124.4 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:39:51,655 INFO L168 Benchmark]: Sifa took 1720.79 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 124.4 MB in the beginning and 188.8 MB in the end (delta: -64.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:39:51,658 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 134.2 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.65 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.7 MB in the beginning and 175.7 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.20 ms. Allocated memory is still 201.3 MB. Free memory was 175.7 MB in the beginning and 173.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 804.02 ms. Allocated memory is still 201.3 MB. Free memory was 173.9 MB in the beginning and 124.4 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 1720.79 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 124.4 MB in the beginning and 188.8 MB in the end (delta: -64.4 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]: 1689, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 278, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 194, TOOLS_POST_TIME[ms]: 62, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 313, TOOLS_QUANTIFIERELIM_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 287, DOMAIN_JOIN_APPLICATIONS: 92, DOMAIN_JOIN_TIME[ms]: 981, DOMAIN_ALPHA_APPLICATIONS: 287, DOMAIN_ALPHA_TIME[ms]: 325, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 69, DOMAIN_ISBOTTOM_TIME[ms]: 64, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 753, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 752, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1245, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1244, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 213 - 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 811#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...