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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loops/trex04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:34:33,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:34:33,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:34:33,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:34:33,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:34:33,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:34:33,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:34:33,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:34:33,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:34:33,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:34:33,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:34:33,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:34:33,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:34:33,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:34:33,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:34:33,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:34:33,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:34:33,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:34:33,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:34:33,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:34:33,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:34:33,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:34:33,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:34:33,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:34:33,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 13:34:33,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 13:34:33,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 13:34:33,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 13:34:33,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 13:34:33,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 13:34:33,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:34:33,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:34:33,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:34:33,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:34:33,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:34:33,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:34:33,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:34:33,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:34:33,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:34:33,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:34:33,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:34:33,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-05 13:34:33,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:34:33,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:34:33,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:34:33,783 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:34:33,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:34:33,784 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:34:33,784 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:34:33,784 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:34:33,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:34:33,784 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:34:33,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:34:33,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:34:33,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:34:33,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:34:33,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:34:33,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:34:33,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:34:33,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:34:33,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:34:33,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:34:33,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:34:33,787 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:34:33,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:34:33,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:34:33,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:34:33,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:34:33,788 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:34:33,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:34:33,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:34:33,789 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:34:33,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:34:33,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:34:33,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:34:33,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:34:33,835 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:34:33,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex04.c [2019-09-05 13:34:33,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb732164/13eaf6c986f34e14b2fa96ab44a9a46f/FLAG5a8648f9a [2019-09-05 13:34:34,319 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:34:34,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex04.c [2019-09-05 13:34:34,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb732164/13eaf6c986f34e14b2fa96ab44a9a46f/FLAG5a8648f9a [2019-09-05 13:34:34,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb732164/13eaf6c986f34e14b2fa96ab44a9a46f [2019-09-05 13:34:34,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:34:34,734 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:34:34,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:34,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:34:34,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:34:34,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:34,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc6461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34, skipping insertion in model container [2019-09-05 13:34:34,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:34,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:34:34,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:34:34,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:34,955 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:34:34,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:34:34,988 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:34:34,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34 WrapperNode [2019-09-05 13:34:34,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:34:34,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:34:34,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:34:34,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:34:35,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (1/1) ... [2019-09-05 13:34:35,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:34:35,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:34:35,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:34:35,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:34:35,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:34:34" (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 [2019-09-05 13:34:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:34:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:34:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:34:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-05 13:34:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:34:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:34:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:34:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:34:35,400 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:34:35,400 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 13:34:35,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:35 BoogieIcfgContainer [2019-09-05 13:34:35,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:34:35,402 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:34:35,402 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:34:35,402 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:34:35,403 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:34:35" (1/1) ... [2019-09-05 13:34:35,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:34:35,579 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.