/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 IntervalDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:35:43,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:35:43,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:35:43,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:35:43,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:35:43,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:35:43,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:35:43,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:35:43,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:35:43,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:35:43,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:35:43,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:35:43,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:35:43,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:35:43,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:35:43,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:35:43,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:35:43,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:35:43,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:35:43,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:35:43,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:35:43,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:35:43,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:35:43,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:35:43,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:35:43,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:35:43,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:35:43,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:35:43,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:35:43,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:35:43,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:35:43,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:35:43,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:35:43,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:35:43,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:35:43,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:35:43,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:35:43,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:35:43,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:35:43,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:35:43,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:35:43,533 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 [2023-03-31 21:35:43,553 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:35:43,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:35:43,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:35:43,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:35:43,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:35:43,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:35:43,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:35:43,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:35:43,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:35:43,555 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:35:43,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:35:43,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:35:43,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:35:43,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:35:43,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:35:43,560 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:35:43,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:35:43,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:35:43,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:35:43,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:35:43,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:35:43,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:35:43,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:35:43,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:35:43,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:35:43,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:35:43,748 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:35:43,748 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:35:43,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label13.c [2023-03-31 21:35:44,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:35:46,140 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:35:46,140 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label13.c [2023-03-31 21:35:46,439 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd93fb466/0e0058ca080345afb43ac70ed8cb4dfe/FLAGd4c9cb84f [2023-03-31 21:35:46,468 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd93fb466/0e0058ca080345afb43ac70ed8cb4dfe [2023-03-31 21:35:46,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:35:46,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:35:46,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:35:46,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:35:46,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:35:46,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:35:46" (1/1) ... [2023-03-31 21:35:46,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbc32f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:46, skipping insertion in model container [2023-03-31 21:35:46,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:35:46" (1/1) ... [2023-03-31 21:35:46,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:35:47,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:35:54,130 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_label13.c[2773587,2773600] [2023-03-31 21:35:54,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:35:54,178 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:35:58,170 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_label13.c[2773587,2773600] [2023-03-31 21:35:58,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:35:58,612 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:35:58,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58 WrapperNode [2023-03-31 21:35:58,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:35:58,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:35:58,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:35:58,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:35:58,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:35:58,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:35:59,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:35:59,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:00,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:00,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:00,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:00,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:01,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:36:01,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:36:01,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:36:01,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:36:01,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (1/1) ... [2023-03-31 21:36:01,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:36:01,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:36:01,188 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) [2023-03-31 21:36:01,193 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 [2023-03-31 21:36:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:36:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:36:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:36:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:36:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:36:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:36:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:36:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:36:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:36:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:36:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:36:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:36:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:36:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:36:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:36:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:36:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:36:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:36:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:36:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:36:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:36:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:36:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:36:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:36:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:36:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:36:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:36:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:36:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:36:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:36:01,424 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:36:01,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:36:28,761 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:36:29,518 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:36:29,519 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:36:29,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:36:29 BoogieIcfgContainer [2023-03-31 21:36:29,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:36:29,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:36:29,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:36:29,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:36:29,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:35:46" (1/3) ... [2023-03-31 21:36:29,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb085a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:36:29, skipping insertion in model container [2023-03-31 21:36:29,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:35:58" (2/3) ... [2023-03-31 21:36:29,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb085a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:36:29, skipping insertion in model container [2023-03-31 21:36:29,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:36:29" (3/3) ... [2023-03-31 21:36:29,533 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label13.c [2023-03-31 21:36:29,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:36:29,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:36:29,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:36:29,683 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;@590c61d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:36:29,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:36:29,710 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) [2023-03-31 21:36:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:36:30,329 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:36:30,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Initialized classic predicate unifier [2023-03-31 21:36:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 536076818, now seen corresponding path program 1 times [2023-03-31 21:36:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:36:30,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104368704] [2023-03-31 21:36:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:36:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:36:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat