java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:48:48,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:48:48,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:48:48,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:48:48,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:48:48,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:48:48,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:48:48,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:48:48,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:48:48,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:48:48,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:48:48,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:48:48,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:48:48,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:48:48,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:48:48,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:48:48,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:48:48,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:48:48,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:48:48,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:48:48,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:48:48,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:48:48,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:48:48,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:48:48,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:48:48,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:48:48,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:48:48,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:48:48,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:48:48,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:48:48,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:48:48,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:48:48,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:48:48,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:48:48,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:48:48,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:48:48,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:48:48,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:48:48,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:48:48,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:48:48,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:48:48,620 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 [2019-10-15 03:48:48,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:48:48,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:48:48,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:48:48,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:48:48,642 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:48:48,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:48:48,642 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:48:48,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:48:48,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:48:48,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:48:48,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:48:48,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:48:48,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:48:48,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:48:48,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:48:48,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:48:48,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:48:48,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:48:48,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:48:48,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:48:48,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:48:48,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:48:48,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:48:48,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:48:48,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:48:48,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:48:48,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:48:48,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:48:48,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 03:48:48,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:48:48,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:48:48,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:48:48,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:48:48,982 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:48:48,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2019-10-15 03:48:49,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4998a3f7/bce0630c68864a89bbf7dea7385efa75/FLAG5720ef656 [2019-10-15 03:48:49,750 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:48:49,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2019-10-15 03:48:49,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4998a3f7/bce0630c68864a89bbf7dea7385efa75/FLAG5720ef656 [2019-10-15 03:48:49,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4998a3f7/bce0630c68864a89bbf7dea7385efa75 [2019-10-15 03:48:49,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:48:49,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:48:49,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:48:49,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:48:49,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:48:49,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:48:49" (1/1) ... [2019-10-15 03:48:49,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a7327f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:49, skipping insertion in model container [2019-10-15 03:48:49,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:48:49" (1/1) ... [2019-10-15 03:48:49,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:48:50,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:48:50,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:48:50,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:48:50,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:48:50,943 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:48:50,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50 WrapperNode [2019-10-15 03:48:50,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:48:50,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:48:50,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:48:50,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:48:50,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:50,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:50,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:50,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:51,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:51,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:51,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (1/1) ... [2019-10-15 03:48:51,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:48:51,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:48:51,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:48:51,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:48:51,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:48:50" (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 [2019-10-15 03:48:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:48:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:48:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 03:48:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:48:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 03:48:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:48:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:48:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:48:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:48:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:48:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:48:53,414 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:48:53,414 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:48:53,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:48:53 BoogieIcfgContainer [2019-10-15 03:48:53,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:48:53,417 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:48:53,417 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:48:53,417 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:48:53,418 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:48:53" (1/1) ... [2019-10-15 03:48:53,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)