/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:37:12,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:37:12,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:37:12,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:37:12,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:37:12,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:37:12,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:37:12,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:37:12,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:37:12,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:37:12,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:37:12,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:37:12,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:37:12,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:37:12,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:37:12,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:37:12,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:37:12,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:37:12,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:37:12,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:37:12,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:37:12,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:37:12,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:37:12,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:37:12,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:37:12,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:37:12,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:37:12,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:37:12,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:37:12,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:37:12,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:37:12,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:37:12,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:37:12,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:37:12,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:37:12,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:37:12,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:37:12,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:37:12,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:37:12,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:37:12,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:37:12,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 21:37:12,645 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:37:12,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:37:12,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:37:12,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:37:12,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:37:12,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:37:12,647 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:37:12,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:37:12,647 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:37:12,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:37:12,647 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:37:12,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:37:12,648 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:37:12,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:37:12,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:37:12,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:37:12,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:37:12,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:37:12,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:37:12,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:37:12,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:37:12,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:37:12,867 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:37:12,867 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:37:12,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2023-03-31 21:37:13,942 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:37:15,159 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:37:15,159 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2023-03-31 21:37:15,276 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e17a8ca/16d36fb18d7844b1b82a5f490afb9ae2/FLAG1e0895f99 [2023-03-31 21:37:15,286 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e17a8ca/16d36fb18d7844b1b82a5f490afb9ae2 [2023-03-31 21:37:15,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:37:15,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:37:15,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:37:15,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:37:15,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:37:15,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:37:15" (1/1) ... [2023-03-31 21:37:15,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181853c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:15, skipping insertion in model container [2023-03-31 21:37:15,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:37:15" (1/1) ... [2023-03-31 21:37:15,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:37:16,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:37:23,203 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_label31.c[2768307,2768320] [2023-03-31 21:37:23,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:37:23,263 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:37:27,351 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_label31.c[2768307,2768320] [2023-03-31 21:37:27,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:37:27,926 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:37:27,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27 WrapperNode [2023-03-31 21:37:27,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:37:27,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:37:27,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:37:27,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:37:27,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:27,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:28,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:28,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,249 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:37:30,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:37:30,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:37:30,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:37:30,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (1/1) ... [2023-03-31 21:37:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:37:30,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:37:30,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 21:37:30,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:37:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:37:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:37:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:37:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:37:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:37:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:37:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:37:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:37:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:37:31,109 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:37:31,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:38:01,571 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:38:02,269 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:38:02,269 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:38:02,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:38:02 BoogieIcfgContainer [2023-03-31 21:38:02,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:38:02,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:38:02,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:38:02,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:38:02,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:37:15" (1/3) ... [2023-03-31 21:38:02,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51585df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:38:02, skipping insertion in model container [2023-03-31 21:38:02,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:37:27" (2/3) ... [2023-03-31 21:38:02,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51585df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:38:02, skipping insertion in model container [2023-03-31 21:38:02,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:38:02" (3/3) ... [2023-03-31 21:38:02,287 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label31.c [2023-03-31 21:38:02,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:38:02,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:38:02,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:38:02,442 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;@257bd9c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:38:02,443 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:38:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-03-31 21:38:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:38:03,214 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:38:03,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Initialized classic predicate unifier [2023-03-31 21:38:03,227 INFO L85 PathProgramCache]: Analyzing trace with hash 536051584, now seen corresponding path program 1 times [2023-03-31 21:38:03,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:38:03,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390223703] [2023-03-31 21:38:03,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:38:03,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:38:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat