/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:38:30,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:38:30,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:38:30,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:38:30,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:38:30,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:38:30,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:38:30,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:38:30,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:38:30,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:38:30,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:38:30,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:38:30,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:38:30,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:38:30,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:38:30,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:38:30,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:38:30,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:38:30,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:38:30,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:38:30,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:38:30,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:38:30,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:38:30,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:38:30,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:38:30,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:38:30,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:38:30,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:38:30,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:38:30,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:38:30,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:38:30,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:38:30,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:38:30,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:38:30,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:38:30,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:38:30,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:38:30,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:38:30,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:38:30,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:38:30,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:38:30,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 03:38:30,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:38:30,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:38:30,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:38:30,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:38:30,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:38:30,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:38:30,701 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:38:30,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:38:30,701 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:38:30,701 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:38:30,702 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:38:30,702 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:38:30,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:38:30,703 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:38:30,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:38:30,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:38:30,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:38:30,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:38:30,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:38:30,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:30,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:38:30,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:38:30,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:38:30,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:38:30,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:38:30,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:38:30,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:38:30,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:38:30,970 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:38:30,970 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:38:30,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-04-01 03:38:32,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:38:33,537 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:38:33,537 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-04-01 03:38:33,649 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0b81591/96d43d0f57cb4204bd10626893ba07f2/FLAG13ddd95c0 [2023-04-01 03:38:33,660 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0b81591/96d43d0f57cb4204bd10626893ba07f2 [2023-04-01 03:38:33,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:38:33,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:38:33,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:33,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:38:33,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:38:33,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:33" (1/1) ... [2023-04-01 03:38:33,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18926459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:33, skipping insertion in model container [2023-04-01 03:38:33,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:33" (1/1) ... [2023-04-01 03:38:33,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:38:34,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:38:41,874 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label21.c[2772223,2772236] [2023-04-01 03:38:41,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:41,939 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:38:46,218 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label21.c[2772223,2772236] [2023-04-01 03:38:46,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:47,145 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:38:47,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47 WrapperNode [2023-04-01 03:38:47,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:47,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:38:47,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:38:47,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:38:47,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:47,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:47,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:47,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:49,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:49,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:49,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:49,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:50,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:38:50,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:38:50,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:38:50,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:38:50,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (1/1) ... [2023-04-01 03:38:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:50,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:38:50,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 03:38:50,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 03:38:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:38:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:38:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:38:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:38:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:38:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:38:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:38:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:38:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:38:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:38:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:38:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:38:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:38:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:38:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:38:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:38:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:38:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:38:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:38:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:38:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:38:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:38:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:38:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:38:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:38:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:38:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:38:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:38:50,414 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:38:50,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:39:23,560 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:39:24,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:39:24,590 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:39:24,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:24 BoogieIcfgContainer [2023-04-01 03:39:24,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:39:24,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:39:24,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:39:24,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:39:24,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:38:33" (1/3) ... [2023-04-01 03:39:24,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aaf933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:24, skipping insertion in model container [2023-04-01 03:39:24,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:47" (2/3) ... [2023-04-01 03:39:24,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aaf933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:24, skipping insertion in model container [2023-04-01 03:39:24,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:24" (3/3) ... [2023-04-01 03:39:24,608 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label21.c [2023-04-01 03:39:24,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:39:24,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:39:24,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:39:24,817 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c3e42c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:39:24,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:39:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)