/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_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:38:04,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:38:04,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:38:04,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:38:04,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:38:04,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:38:04,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:38:04,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:38:04,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:38:04,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:38:04,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:38:04,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:38:04,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:38:04,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:38:04,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:38:04,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:38:04,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:38:04,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:38:04,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:38:04,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:38:04,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:38:04,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:38:04,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:38:04,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:38:04,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:38:04,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:38:04,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:38:04,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:38:04,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:38:04,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:38:04,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:38:04,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:38:04,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:38:04,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:38:04,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:38:04,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:38:04,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:38:04,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:38:04,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:38:04,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:38:04,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:38:04,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 03:38:04,595 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:38:04,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:38:04,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:38:04,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:38:04,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:38:04,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:38:04,596 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:38:04,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:38:04,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:38:04,598 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:38:04,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:38:04,598 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:38:04,598 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:38:04,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:38:04,598 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:38:04,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:38:04,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:04,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:38:04,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:38:04,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:38:04,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:38:04,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:38:04,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:38:04,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:38:04,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:38:04,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:38:04,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:38:04,754 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:38:04,768 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:38:04,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label14.c [2023-04-01 03:38:05,835 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:38:07,124 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:38:07,124 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label14.c [2023-04-01 03:38:07,230 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a9ff93e/d0c13a52e2ba4d15adfcee13f418152c/FLAGef00e6aef [2023-04-01 03:38:07,239 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a9ff93e/d0c13a52e2ba4d15adfcee13f418152c [2023-04-01 03:38:07,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:38:07,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:38:07,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:07,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:38:07,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:38:07,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:07" (1/1) ... [2023-04-01 03:38:07,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6058d1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:07, skipping insertion in model container [2023-04-01 03:38:07,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:07" (1/1) ... [2023-04-01 03:38:07,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:38:08,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:38:14,999 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_label14.c[2774440,2774453] [2023-04-01 03:38:15,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:15,050 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:38:19,152 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_label14.c[2774440,2774453] [2023-04-01 03:38:19,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:19,918 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:38:19,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19 WrapperNode [2023-04-01 03:38:19,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:19,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:38:19,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:38:19,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:38:19,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:19,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:20,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:20,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:21,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:22,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:22,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:22,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:22,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:38:22,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:38:22,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:38:22,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:38:22,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (1/1) ... [2023-04-01 03:38:22,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:22,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:38:22,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 03:38:22,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 03:38:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:38:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:38:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:38:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:38:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:38:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:38:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:38:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:38:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:38:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:38:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:38:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:38:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:38:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:38:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:38:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:38:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:38:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:38:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:38:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:38:23,225 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:38:23,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:38:53,746 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:38:54,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:38:54,723 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:38:54,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:38:54 BoogieIcfgContainer [2023-04-01 03:38:54,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:38:54,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:38:54,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:38:54,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:38:54,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:38:07" (1/3) ... [2023-04-01 03:38:54,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8553ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:38:54, skipping insertion in model container [2023-04-01 03:38:54,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:19" (2/3) ... [2023-04-01 03:38:54,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8553ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:38:54, skipping insertion in model container [2023-04-01 03:38:54,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:38:54" (3/3) ... [2023-04-01 03:38:54,754 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label14.c [2023-04-01 03:38:54,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:38:54,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:38:54,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:38:54,939 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;@7167bb34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:38:54,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:38:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 03:38:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:38:55,900 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:38:55,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 03:38:55,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:38:55,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:38:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash -742664398, now seen corresponding path program 1 times [2023-04-01 03:38:55,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:38:55,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519852131] [2023-04-01 03:38:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:38:55,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:38:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat