/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem07_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:32:10,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:32:10,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:32:10,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:32:10,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:32:10,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:32:10,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:32:10,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:32:10,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:32:10,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:32:10,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:32:10,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:32:10,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:32:10,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:32:10,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:32:10,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:32:10,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:32:10,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:32:10,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:32:10,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:32:10,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:32:10,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:32:10,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:32:10,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:32:10,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:32:10,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:32:10,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:32:10,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:32:10,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-01 21:32:10,171 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:32:10,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:32:10,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:32:10,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:32:10,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:32:10,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:32:10,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:32:10,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:32:10,174 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:32:10,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:32:10,175 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:32:10,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:32:10,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:32:10,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:32:10,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:32:10,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:32:10,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:32:10,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:32:10,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:32:10,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:10,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:32:10,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:32:10,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:32:10,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:32:10,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:32:10,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:32:10,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:32:10,179 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:32:10,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:32:10,179 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:32:10,179 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:32:10,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:32:10,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:32:10,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:32:10,458 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:32:10,458 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:32:10,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label44.c [2023-04-01 21:32:11,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:32:13,188 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:32:13,188 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label44.c [2023-04-01 21:32:13,363 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b5e985f/1e4286a5b91c4035a89195009858c88d/FLAGce0a21483 [2023-04-01 21:32:13,377 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b5e985f/1e4286a5b91c4035a89195009858c88d [2023-04-01 21:32:13,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:32:13,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:32:13,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:13,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:32:13,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:32:13,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:13" (1/1) ... [2023-04-01 21:32:13,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f11aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:13, skipping insertion in model container [2023-04-01 21:32:13,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:13" (1/1) ... [2023-04-01 21:32:13,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:32:14,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:32:21,531 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_label44.c[2769500,2769513] [2023-04-01 21:32:21,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:21,598 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:32:26,275 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_label44.c[2769500,2769513] [2023-04-01 21:32:26,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:26,999 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:32:26,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26 WrapperNode [2023-04-01 21:32:27,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:27,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:32:27,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:32:27,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:32:27,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:27,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:28,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:28,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:29,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:29,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:30,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:30,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:30,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:32:30,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:32:30,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:32:30,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:32:30,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (1/1) ... [2023-04-01 21:32:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:30,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:32:30,749 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 21:32:30,750 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 21:32:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:32:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:32:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:32:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:32:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:32:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:32:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:32:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:32:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:32:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:32:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:32:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:32:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:32:30,989 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:32:30,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:33:02,705 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:33:02,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:33:02,774 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:33:02,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:02 BoogieIcfgContainer [2023-04-01 21:33:02,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:33:02,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:33:02,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:33:02,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:33:02,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:32:13" (1/3) ... [2023-04-01 21:33:02,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2050b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:02, skipping insertion in model container [2023-04-01 21:33:02,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:26" (2/3) ... [2023-04-01 21:33:02,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2050b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:02, skipping insertion in model container [2023-04-01 21:33:02,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:02" (3/3) ... [2023-04-01 21:33:02,792 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label44.c [2023-04-01 21:33:02,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:33:02,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:33:02,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:33:02,997 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=PETRI_NET, 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;@27042f13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:33:02,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:33:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 10446 states, 10348 states have (on average 1.9803826826439892) internal successors, (20493), 10349 states have internal predecessors, (20493), 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 21:33:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10199 [2023-04-01 21:33:03,879 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:33:03,887 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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[2023-04-01 21:33:03,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:33:03,901 INFO L85 PathProgramCache]: Analyzing trace with hash -323882334, now seen corresponding path program 1 times [2023-04-01 21:33:03,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:33:03,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591382256] [2023-04-01 21:33:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:33:03,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:33:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat