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/Problem17_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 17:53:57,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 17:53:57,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 17:53:57,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 17:53:57,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 17:53:57,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 17:53:57,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 17:53:57,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 17:53:57,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 17:53:57,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 17:53:57,053 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 17:53:57,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 17:53:57,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 17:53:57,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 17:53:57,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 17:53:57,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 17:53:57,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 17:53:57,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 17:53:57,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 17:53:57,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 17:53:57,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 17:53:57,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 17:53:57,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 17:53:57,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 17:53:57,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 17:53:57,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 17:53:57,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 17:53:57,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 17:53:57,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 17:53:57,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 17:53:57,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 17:53:57,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 17:53:57,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 17:53:57,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 17:53:57,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 17:53:57,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 17:53:57,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 17:53:57,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 17:53:57,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 17:53:57,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 17:53:57,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 17:53:57,079 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 [2019-08-14 17:53:57,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 17:53:57,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 17:53:57,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 17:53:57,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 17:53:57,096 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 17:53:57,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 17:53:57,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 17:53:57,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 17:53:57,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 17:53:57,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 17:53:57,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 17:53:57,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 17:53:57,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 17:53:57,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 17:53:57,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 17:53:57,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 17:53:57,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 17:53:57,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 17:53:57,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 17:53:57,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 17:53:57,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 17:53:57,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 17:53:57,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 17:53:57,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 17:53:57,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 17:53:57,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 17:53:57,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 17:53:57,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 17:53:57,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 17:53:57,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 17:53:57,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 17:53:57,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 17:53:57,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 17:53:57,147 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 17:53:57,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label54.c [2019-08-14 17:53:57,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8714bebb/3d351963396f4925a71af8979326070c/FLAG56e2e03e4 [2019-08-14 17:53:58,005 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 17:53:58,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label54.c [2019-08-14 17:53:58,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8714bebb/3d351963396f4925a71af8979326070c/FLAG56e2e03e4 [2019-08-14 17:53:58,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8714bebb/3d351963396f4925a71af8979326070c [2019-08-14 17:53:58,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 17:53:58,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 17:53:58,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 17:53:58,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 17:53:58,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 17:53:58,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:53:58" (1/1) ... [2019-08-14 17:53:58,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9230ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:53:58, skipping insertion in model container [2019-08-14 17:53:58,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:53:58" (1/1) ... [2019-08-14 17:53:58,576 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 17:53:58,699 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 17:53:59,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:53:59,898 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 17:54:00,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 17:54:00,474 INFO L192 MainTranslator]: Completed translation [2019-08-14 17:54:00,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00 WrapperNode [2019-08-14 17:54:00,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 17:54:00,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 17:54:00,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 17:54:00,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 17:54:00,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (1/1) ... [2019-08-14 17:54:00,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 17:54:00,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 17:54:00,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 17:54:00,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 17:54:00,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:54:00" (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 [2019-08-14 17:54:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 17:54:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 17:54:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 17:54:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 17:54:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 17:54:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 17:54:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 17:54:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 17:54:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 17:54:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 17:54:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 17:54:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 17:54:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 17:54:05,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 17:54:05,113 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 17:54:05,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:54:05 BoogieIcfgContainer [2019-08-14 17:54:05,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 17:54:05,118 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 17:54:05,118 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 17:54:05,120 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 17:54:05,121 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 05:54:05" (1/1) ... [2019-08-14 17:54:32,937 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...