/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:39:01,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:39:01,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:39:01,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:39:01,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:39:01,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:39:01,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:39:01,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:39:01,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:39:01,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:39:01,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:39:01,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:39:01,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:39:01,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:39:01,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:39:01,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:39:01,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:39:01,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:39:01,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:39:01,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:39:01,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:39:01,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:39:01,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:39:01,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:39:01,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:39:01,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:39:01,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:39:01,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:39:01,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:39:01,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:39:01,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:39:01,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:39:01,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:39:01,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:39:01,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:39:01,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:39:01,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:39:01,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:39:01,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:39:01,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:39:01,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:39:01,269 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 03:39:01,298 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:39:01,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:39:01,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:39:01,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:39:01,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:39:01,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:39:01,299 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:39:01,299 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:39:01,299 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:39:01,299 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:39:01,300 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:39:01,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:39:01,300 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:39:01,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:39:01,300 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:39:01,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:39:01,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:39:01,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:39:01,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:39:01,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:01,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:39:01,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:39:01,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:39:01,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:39:01,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:39:01,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:39:01,507 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:39:01,508 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:39:01,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label26.c [2023-04-01 03:39:02,545 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:39:03,692 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:39:03,693 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label26.c [2023-04-01 03:39:03,815 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31435e7b0/43794fa1afce4f00ab0f7467fcb8ee74/FLAGcac43133b [2023-04-01 03:39:03,825 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31435e7b0/43794fa1afce4f00ab0f7467fcb8ee74 [2023-04-01 03:39:03,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:39:03,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:39:03,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:03,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:39:03,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:39:03,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:03" (1/1) ... [2023-04-01 03:39:03,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6ad77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:03, skipping insertion in model container [2023-04-01 03:39:03,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:03" (1/1) ... [2023-04-01 03:39:03,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:39:04,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:39:11,241 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_label26.c[2775806,2775819] [2023-04-01 03:39:11,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:11,290 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:39:15,745 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_label26.c[2775806,2775819] [2023-04-01 03:39:15,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:16,356 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:39:16,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16 WrapperNode [2023-04-01 03:39:16,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:16,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:39:16,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:39:16,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:39:16,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:16,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:16,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:16,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:18,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:18,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:18,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:18,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:19,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:39:19,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:39:19,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:39:19,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:39:19,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (1/1) ... [2023-04-01 03:39:19,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:19,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:39:19,041 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 03:39:19,047 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 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:39:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:39:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:39:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:39:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:39:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:39:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:39:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:39:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:39:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:39:19,177 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:39:19,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:39:48,120 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:39:49,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:39:49,025 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:39:49,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:49 BoogieIcfgContainer [2023-04-01 03:39:49,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:39:49,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:39:49,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:39:49,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:39:49,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:39:03" (1/3) ... [2023-04-01 03:39:49,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3dd06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:49, skipping insertion in model container [2023-04-01 03:39:49,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:16" (2/3) ... [2023-04-01 03:39:49,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3dd06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:49, skipping insertion in model container [2023-04-01 03:39:49,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:49" (3/3) ... [2023-04-01 03:39:49,051 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label26.c [2023-04-01 03:39:49,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:39:49,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:39:49,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:39:49,201 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;@53032b93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:39:49,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:39:49,226 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 03:39:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:39:49,981 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:39:49,986 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 03:39:49,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:39:49,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:39:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash -742660428, now seen corresponding path program 1 times [2023-04-01 03:39:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:39:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613007462] [2023-04-01 03:39:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:39:50,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:39:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat