/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 17:48:01,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 17:48:01,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 17:48:01,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 17:48:01,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 17:48:01,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 17:48:01,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 17:48:01,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 17:48:01,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 17:48:01,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 17:48:01,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 17:48:01,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 17:48:01,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 17:48:01,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 17:48:01,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 17:48:01,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 17:48:01,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 17:48:01,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 17:48:01,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 17:48:01,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 17:48:01,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 17:48:01,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 17:48:01,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 17:48:01,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 17:48:01,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 17:48:01,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 17:48:01,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 17:48:01,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 17:48:01,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 17:48:01,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 17:48:01,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 17:48:01,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 17:48:01,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 17:48:01,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 17:48:01,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 17:48:01,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 17:48:01,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 17:48:01,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 17:48:01,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 17:48:01,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 17:48:01,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 17:48:01,782 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 [2023-04-02 17:48:01,803 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 17:48:01,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 17:48:01,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 17:48:01,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 17:48:01,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 17:48:01,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 17:48:01,805 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 17:48:01,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 17:48:01,805 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 17:48:01,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 17:48:01,805 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 17:48:01,806 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 17:48:01,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 17:48:01,806 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 17:48:01,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 17:48:01,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:48:01,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 17:48:01,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 17:48:01,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 17:48:01,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 17:48:01,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 17:48:01,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 17:48:01,964 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 17:48:01,965 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 17:48:01,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-04-02 17:48:02,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 17:48:04,173 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 17:48:04,173 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-04-02 17:48:04,288 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359a47247/73f43ada599c47808617728e69884c1e/FLAG37d75dcc2 [2023-04-02 17:48:04,585 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/359a47247/73f43ada599c47808617728e69884c1e [2023-04-02 17:48:04,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 17:48:04,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 17:48:04,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 17:48:04,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 17:48:04,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 17:48:04,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:48:04" (1/1) ... [2023-04-02 17:48:04,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e030f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:04, skipping insertion in model container [2023-04-02 17:48:04,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:48:04" (1/1) ... [2023-04-02 17:48:04,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 17:48:05,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 17:48:11,718 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_label12.c[2774099,2774112] [2023-04-02 17:48:11,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:48:11,834 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 17:48:15,627 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_label12.c[2774099,2774112] [2023-04-02 17:48:15,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:48:16,299 INFO L208 MainTranslator]: Completed translation [2023-04-02 17:48:16,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16 WrapperNode [2023-04-02 17:48:16,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 17:48:16,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 17:48:16,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 17:48:16,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 17:48:16,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:16,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:16,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:16,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 17:48:18,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 17:48:18,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 17:48:18,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 17:48:18,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (1/1) ... [2023-04-02 17:48:18,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:48:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 17:48:18,939 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) [2023-04-02 17:48:18,941 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 [2023-04-02 17:48:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 17:48:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 17:48:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 17:48:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 17:48:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 17:48:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 17:48:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 17:48:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 17:48:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 17:48:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 17:48:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 17:48:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 17:48:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 17:48:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 17:48:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 17:48:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 17:48:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 17:48:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 17:48:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 17:48:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 17:48:19,299 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 17:48:19,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 17:48:47,157 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 17:48:47,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 17:48:47,978 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 17:48:47,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:48:47 BoogieIcfgContainer [2023-04-02 17:48:47,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 17:48:47,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 17:48:47,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 17:48:47,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 17:48:47,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:48:04" (1/3) ... [2023-04-02 17:48:47,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b216e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:48:47, skipping insertion in model container [2023-04-02 17:48:47,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:48:16" (2/3) ... [2023-04-02 17:48:47,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b216e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:48:47, skipping insertion in model container [2023-04-02 17:48:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:48:47" (3/3) ... [2023-04-02 17:48:47,992 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label12.c [2023-04-02 17:48:48,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 17:48:48,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 17:48:48,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 17:48:48,155 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;@53737342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 17:48:48,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 17:48:48,186 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) [2023-04-02 17:48:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 17:48:48,916 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 17:48:48,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Initialized classic predicate unifier [2023-04-02 17:48:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash 536077586, now seen corresponding path program 1 times [2023-04-02 17:48:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 17:48:48,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590386862] [2023-04-02 17:48:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 17:48:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 17:48:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat