/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_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:39:12,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:39:12,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:39:12,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:39:12,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:39:12,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:39:12,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:39:12,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:39:12,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:39:12,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:39:12,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:39:12,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:39:12,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:39:12,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:39:12,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:39:12,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:39:12,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:39:12,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:39:12,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:39:12,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:39:12,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:39:12,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:39:12,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:39:12,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:39:12,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:39:12,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:39:12,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:39:12,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:39:12,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:39:12,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:39:12,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:39:12,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:39:12,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:39:12,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:39:12,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:39:12,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:39:12,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:39:12,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:39:12,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:39:12,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:39:12,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:39:12,137 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 03:39:12,159 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:39:12,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:39:12,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:39:12,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:39:12,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:39:12,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:39:12,160 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:39:12,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:39:12,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:39:12,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:39:12,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:39:12,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:39:12,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:39:12,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:12,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:39:12,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:39:12,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:39:12,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:39:12,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:39:12,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:39:12,389 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:39:12,390 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:39:12,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2023-04-01 03:39:13,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:39:14,659 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:39:14,660 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2023-04-01 03:39:14,761 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e0cb9b1/2d43e06689574cbca8d10f690effdd74/FLAG52879320f [2023-04-01 03:39:14,770 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e0cb9b1/2d43e06689574cbca8d10f690effdd74 [2023-04-01 03:39:14,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:39:14,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:39:14,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:14,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:39:14,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:39:14,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:14" (1/1) ... [2023-04-01 03:39:14,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a6f9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:14, skipping insertion in model container [2023-04-01 03:39:14,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:14" (1/1) ... [2023-04-01 03:39:14,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:39:15,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:39:22,233 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_label29.c[2774953,2774966] [2023-04-01 03:39:22,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:22,281 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:39:26,209 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_label29.c[2774953,2774966] [2023-04-01 03:39:26,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:26,875 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:39:26,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26 WrapperNode [2023-04-01 03:39:26,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:26,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:39:26,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:39:26,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:39:26,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:26,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:27,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:27,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:29,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:29,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:29,651 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:29,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:30,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:39:30,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:39:30,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:39:30,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:39:30,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:30,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:39:30,447 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 03:39:30,467 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 03:39:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:39:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:39:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:39:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:39:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:39:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:39:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:39:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:39:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:39:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:39:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:39:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:39:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:39:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:39:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:39:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:39:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:39:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:39:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:39:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:39:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:39:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:39:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:39:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:39:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:39:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:39:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:39:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:39:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:39:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:39:31,069 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:39:31,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:40:02,044 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:40:03,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:40:03,151 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:40:03,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:03 BoogieIcfgContainer [2023-04-01 03:40:03,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:40:03,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:40:03,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:40:03,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:40:03,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:39:14" (1/3) ... [2023-04-01 03:40:03,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778ec76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:03, skipping insertion in model container [2023-04-01 03:40:03,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26" (2/3) ... [2023-04-01 03:40:03,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778ec76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:03, skipping insertion in model container [2023-04-01 03:40:03,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:03" (3/3) ... [2023-04-01 03:40:03,178 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label29.c [2023-04-01 03:40:03,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:40:03,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:40:03,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:40:03,366 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;@7eb54042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:40:03,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:40:03,393 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 03:40:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:40:04,187 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:40:04,191 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 03:40:04,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:40:04,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:40:04,203 INFO L85 PathProgramCache]: Analyzing trace with hash 536081749, now seen corresponding path program 1 times [2023-04-01 03:40:04,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:40:04,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274077476] [2023-04-01 03:40:04,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:40:04,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:40:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat