/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:38:38,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:38:38,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:38:38,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:38:38,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:38:38,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:38:38,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:38:38,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:38:38,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:38:38,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:38:38,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:38:38,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:38:38,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:38:38,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:38:38,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:38:38,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:38:38,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:38:38,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:38:38,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:38:38,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:38:38,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:38:38,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:38:38,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:38:38,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:38:38,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:38:38,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:38:38,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:38:38,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:38:38,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:38:38,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:38:38,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:38:38,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:38:38,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:38:38,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:38:38,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:38:38,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:38:38,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:38:38,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:38:38,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:38:38,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:38:38,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:38:38,851 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 21:38:38,879 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:38:38,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:38:38,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:38:38,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:38:38,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:38:38,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:38:38,880 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:38:38,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:38:38,880 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:38:38,881 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:38:38,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:38:38,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:38:38,882 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:38:38,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:38:38,882 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:38:38,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:38:38,883 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:38:38,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:38:38,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:38:38,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:38:38,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:38:38,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:38:38,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:38:38,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:38:38,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:38:39,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:38:39,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:38:39,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:38:39,148 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:38:39,149 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:38:39,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label53.c [2023-03-31 21:38:40,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:38:41,911 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:38:41,911 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label53.c [2023-03-31 21:38:42,008 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4efb861b6/dec37c41508b4199820e3caa1be64b6c/FLAG07a6cd6e9 [2023-03-31 21:38:42,020 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4efb861b6/dec37c41508b4199820e3caa1be64b6c [2023-03-31 21:38:42,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:38:42,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:38:42,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:38:42,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:38:42,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:38:42,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:38:42" (1/1) ... [2023-03-31 21:38:42,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:42, skipping insertion in model container [2023-03-31 21:38:42,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:38:42" (1/1) ... [2023-03-31 21:38:42,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:38:42,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:38:50,080 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_label53.c[2776999,2777012] [2023-03-31 21:38:50,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:38:50,132 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:38:54,879 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_label53.c[2776999,2777012] [2023-03-31 21:38:54,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:38:55,681 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:38:55,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55 WrapperNode [2023-03-31 21:38:55,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:38:55,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:38:55,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:38:55,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:38:55,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:55,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:56,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:56,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:57,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:57,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:57,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:57,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:58,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:38:58,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:38:58,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:38:58,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:38:58,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (1/1) ... [2023-03-31 21:38:58,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:38:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:38:58,425 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 21:38:58,444 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 21:38:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 21:38:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-31 21:38:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-31 21:38:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-31 21:38:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-31 21:38:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-31 21:38:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-31 21:38:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-31 21:38:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-31 21:38:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-31 21:38:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-31 21:38:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-31 21:38:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-31 21:38:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-31 21:38:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-31 21:38:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-31 21:38:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-31 21:38:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-31 21:38:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-31 21:38:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-31 21:38:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-31 21:38:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-31 21:38:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-31 21:38:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-31 21:38:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-31 21:38:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-31 21:38:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:38:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 21:38:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 21:38:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 21:38:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 21:38:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 21:38:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-31 21:38:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-31 21:38:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-31 21:38:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-31 21:38:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-31 21:38:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-31 21:38:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-31 21:38:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-31 21:38:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-31 21:38:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:38:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:38:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:38:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:38:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:38:58,599 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:38:58,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:39:31,236 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:39:32,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:39:32,193 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 21:39:32,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:39:32 BoogieIcfgContainer [2023-03-31 21:39:32,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:39:32,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:39:32,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:39:32,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:39:32,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:38:42" (1/3) ... [2023-03-31 21:39:32,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b976d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:39:32, skipping insertion in model container [2023-03-31 21:39:32,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:38:55" (2/3) ... [2023-03-31 21:39:32,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2b976d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:39:32, skipping insertion in model container [2023-03-31 21:39:32,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:39:32" (3/3) ... [2023-03-31 21:39:32,210 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label53.c [2023-03-31 21:39:32,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:39:32,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:39:32,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:39:32,394 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;@11f23943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:39:32,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:39:32,427 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 21:39:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-03-31 21:39:33,234 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:39:33,242 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 21:39:33,252 INFO L85 PathProgramCache]: Analyzing trace with hash 536084821, now seen corresponding path program 1 times [2023-03-31 21:39:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:39:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915706334] [2023-03-31 21:39:33,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:39:33,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms