/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 EqDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:43:59,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:43:59,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:43:59,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:43:59,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:43:59,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:43:59,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:43:59,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:43:59,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:43:59,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:43:59,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:43:59,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:43:59,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:43:59,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:43:59,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:43:59,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:43:59,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:43:59,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:43:59,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:43:59,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:43:59,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:43:59,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:43:59,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:43:59,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:43:59,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:43:59,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:43:59,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:43:59,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:43:59,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:43:59,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:43:59,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:43:59,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:43:59,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:43:59,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:43:59,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:43:59,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:43:59,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:43:59,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:43:59,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:43:59,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:43:59,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:43:59,183 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 09:43:59,214 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:43:59,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:43:59,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:43:59,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:43:59,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:43:59,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:43:59,215 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:43:59,216 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:43:59,216 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:43:59,216 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:43:59,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:43:59,217 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:43:59,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:43:59,218 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:43:59,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:43:59,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:43:59,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:43:59,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:43:59,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:43:59,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:43:59,221 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:43:59,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:43:59,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:43:59,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:43:59,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:43:59,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:43:59,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:43:59,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:43:59,484 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:43:59,485 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:43:59,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2023-04-01 09:44:00,655 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:44:02,136 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:44:02,137 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2023-04-01 09:44:02,315 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2ab814c/930561f3441546e389e40fe461931564/FLAG2235f900c [2023-04-01 09:44:02,818 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a2ab814c/930561f3441546e389e40fe461931564 [2023-04-01 09:44:02,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:44:02,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:44:02,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:44:02,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:44:02,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:44:02,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:44:02" (1/1) ... [2023-04-01 09:44:02,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7b3628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:02, skipping insertion in model container [2023-04-01 09:44:02,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:44:02" (1/1) ... [2023-04-01 09:44:02,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:44:03,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:44:11,150 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_label57.c[2771372,2771385] [2023-04-01 09:44:11,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:44:11,215 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:44:15,847 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_label57.c[2771372,2771385] [2023-04-01 09:44:15,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:44:16,373 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:44:16,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16 WrapperNode [2023-04-01 09:44:16,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:44:16,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:44:16,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:44:16,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:44:16,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:16,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:17,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:17,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:19,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:19,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:19,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:19,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:20,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:44:20,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:44:20,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:44:20,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:44:20,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (1/1) ... [2023-04-01 09:44:20,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:44:20,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:44:20,269 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 09:44:20,274 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 09:44:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:44:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:44:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:44:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:44:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:44:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:44:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:44:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:44:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:44:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:44:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:44:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:44:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:44:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:44:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:44:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:44:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:44:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:44:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:44:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:44:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:44:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:44:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:44:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:44:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:44:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:44:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:44:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:44:20,436 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:44:20,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:44:52,093 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:44:53,033 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:44:53,033 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:44:53,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:53 BoogieIcfgContainer [2023-04-01 09:44:53,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:44:53,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:44:53,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:44:53,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:44:53,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:44:02" (1/3) ... [2023-04-01 09:44:53,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2ceeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:53, skipping insertion in model container [2023-04-01 09:44:53,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:44:16" (2/3) ... [2023-04-01 09:44:53,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2ceeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:44:53, skipping insertion in model container [2023-04-01 09:44:53,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:44:53" (3/3) ... [2023-04-01 09:44:53,053 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label57.c [2023-04-01 09:44:53,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:44:53,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:44:53,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:44:53,289 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;@12bed258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:44:53,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:44:53,329 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) [2023-04-01 09:44:54,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:44:54,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:44:54,065 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 [2023-04-01 09:44:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash -742687265, now seen corresponding path program 1 times [2023-04-01 09:44:54,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:44:54,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154802572] [2023-04-01 09:44:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:44:54,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms