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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-21 21:50:15,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-21 21:50:15,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-21 21:50:15,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-21 21:50:15,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-21 21:50:15,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-21 21:50:15,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-21 21:50:15,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-21 21:50:15,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-21 21:50:15,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-21 21:50:15,609 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-21 21:50:15,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-21 21:50:15,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-21 21:50:15,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-21 21:50:15,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-21 21:50:15,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-21 21:50:15,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-21 21:50:15,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-21 21:50:15,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-21 21:50:15,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-21 21:50:15,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-21 21:50:15,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-21 21:50:15,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-21 21:50:15,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-21 21:50:15,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-21 21:50:15,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-21 21:50:15,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-21 21:50:15,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-21 21:50:15,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-21 21:50:15,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-21 21:50:15,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-21 21:50:15,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-21 21:50:15,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-21 21:50:15,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-21 21:50:15,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-21 21:50:15,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-21 21:50:15,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-21 21:50:15,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-21 21:50:15,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-21 21:50:15,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-21 21:50:15,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-21 21:50:15,632 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 [2019-08-21 21:50:15,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-21 21:50:15,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-21 21:50:15,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-21 21:50:15,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-21 21:50:15,648 INFO L138 SettingsManager]: * Use SBE=true [2019-08-21 21:50:15,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-21 21:50:15,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-21 21:50:15,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-21 21:50:15,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-21 21:50:15,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-21 21:50:15,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-21 21:50:15,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-21 21:50:15,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-21 21:50:15,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-21 21:50:15,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-21 21:50:15,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-21 21:50:15,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-21 21:50:15,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-21 21:50:15,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-21 21:50:15,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-21 21:50:15,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-21 21:50:15,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 21:50:15,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-21 21:50:15,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-21 21:50:15,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-21 21:50:15,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-21 21:50:15,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-21 21:50:15,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-21 21:50:15,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-21 21:50:15,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-21 21:50:15,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-21 21:50:15,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-21 21:50:15,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-21 21:50:15,716 INFO L275 PluginConnector]: CDTParser initialized [2019-08-21 21:50:15,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2019-08-21 21:50:15,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa402dc16/562d4bfaad0441a08b51bcc7e8dbab24/FLAG6b9dce0a3 [2019-08-21 21:50:16,340 INFO L306 CDTParser]: Found 1 translation units. [2019-08-21 21:50:16,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2019-08-21 21:50:16,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa402dc16/562d4bfaad0441a08b51bcc7e8dbab24/FLAG6b9dce0a3 [2019-08-21 21:50:16,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa402dc16/562d4bfaad0441a08b51bcc7e8dbab24 [2019-08-21 21:50:16,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-21 21:50:16,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-21 21:50:16,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-21 21:50:16,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-21 21:50:16,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-21 21:50:16,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:50:16" (1/1) ... [2019-08-21 21:50:16,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ca415b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:16, skipping insertion in model container [2019-08-21 21:50:16,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:50:16" (1/1) ... [2019-08-21 21:50:16,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-21 21:50:16,705 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-21 21:50:17,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:50:17,124 INFO L188 MainTranslator]: Completed pre-run [2019-08-21 21:50:17,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 21:50:17,416 INFO L192 MainTranslator]: Completed translation [2019-08-21 21:50:17,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17 WrapperNode [2019-08-21 21:50:17,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-21 21:50:17,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-21 21:50:17,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-21 21:50:17,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-21 21:50:17,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (1/1) ... [2019-08-21 21:50:17,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-21 21:50:17,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-21 21:50:17,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-21 21:50:17,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-21 21:50:17,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:50:17" (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 [2019-08-21 21:50:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-21 21:50:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-21 21:50:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-21 21:50:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-21 21:50:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-21 21:50:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-21 21:50:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-21 21:50:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-21 21:50:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-21 21:50:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-21 21:50:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-21 21:50:18,729 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-21 21:50:18,730 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-21 21:50:18,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:50:18 BoogieIcfgContainer [2019-08-21 21:50:18,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-21 21:50:18,732 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-21 21:50:18,732 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-21 21:50:18,732 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-21 21:50:18,733 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:50:18" (1/1) ... [2019-08-21 21:50:18,746 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-21 21:50:18,749 INFO L155 IcfgInterpreter]: Building call graph [2019-08-21 21:50:18,757 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-21 21:50:18,766 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-21 21:50:18,767 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-21 21:50:18,841 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 85 [2019-08-21 21:50:19,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:50:19,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:19,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-21 21:50:19,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:50:19,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:19,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:50:19,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:50:19,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:50:19,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-21 21:50:20,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:50:20,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:20,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:50:20,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:50:20,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:50:20,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-21 21:50:20,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:20,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:20,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:20,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-21 21:50:20,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:50:20,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-21 21:50:20,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:50:20,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-21 21:50:20,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 21:50:20,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms