/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 23:00:52,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 23:00:52,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 23:00:52,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-30 23:00:52,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-30 23:00:52,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-30 23:00:52,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-30 23:00:52,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-30 23:00:52,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-30 23:00:52,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-30 23:00:52,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-30 23:00:52,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-30 23:00:52,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 23:00:52,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 23:00:52,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 23:00:52,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 23:00:52,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 23:00:52,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 23:00:52,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 23:00:52,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 23:00:52,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 23:00:52,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 23:00:52,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 23:00:52,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 23:00:52,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 23:00:52,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 23:00:52,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 23:00:52,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 23:00:52,699 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 [2023-03-30 23:00:52,722 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 23:00:52,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 23:00:52,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 23:00:52,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 23:00:52,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 23:00:52,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 23:00:52,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 23:00:52,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 23:00:52,724 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 23:00:52,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 23:00:52,725 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 23:00:52,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 23:00:52,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 23:00:52,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 23:00:52,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 23:00:52,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 23:00:52,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:00:52,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 23:00:52,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 23:00:52,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 23:00:52,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 23:00:52,728 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 23:00:52,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 23:00:52,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 23:00:52,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 23:00:52,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 23:00:52,946 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 23:00:52,946 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 23:00:52,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-03-30 23:00:53,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 23:00:55,121 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 23:00:55,121 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2023-03-30 23:00:55,237 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2f66ce5/3929e00c28174882970c259c137ea183/FLAG0b5d66c12 [2023-03-30 23:00:55,249 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2f66ce5/3929e00c28174882970c259c137ea183 [2023-03-30 23:00:55,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 23:00:55,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 23:00:55,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 23:00:55,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 23:00:55,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 23:00:55,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:00:55" (1/1) ... [2023-03-30 23:00:55,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70731b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:00:55, skipping insertion in model container [2023-03-30 23:00:55,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 11:00:55" (1/1) ... [2023-03-30 23:00:55,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 23:00:56,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 23:01:03,045 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] [2023-03-30 23:01:03,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:01:03,120 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 23:01:07,027 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] [2023-03-30 23:01:07,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 23:01:08,011 INFO L208 MainTranslator]: Completed translation [2023-03-30 23:01:08,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08 WrapperNode [2023-03-30 23:01:08,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 23:01:08,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 23:01:08,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 23:01:08,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 23:01:08,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:08,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:08,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:08,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:09,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:10,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:10,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:10,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:10,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 23:01:10,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 23:01:10,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 23:01:10,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 23:01:10,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (1/1) ... [2023-03-30 23:01:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 23:01:10,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 23:01:10,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 23:01:10,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 23:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 23:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-30 23:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-03-30 23:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-03-30 23:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-03-30 23:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-03-30 23:01:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 23:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 23:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-30 23:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-03-30 23:01:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-03-30 23:01:10,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-03-30 23:01:10,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 23:01:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 23:01:10,937 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 23:01:10,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 23:01:41,457 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 23:01:41,501 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 23:01:41,501 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 23:01:41,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:01:41 BoogieIcfgContainer [2023-03-30 23:01:41,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 23:01:41,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 23:01:41,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 23:01:41,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 23:01:41,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 11:00:55" (1/3) ... [2023-03-30 23:01:41,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ed83e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:01:41, skipping insertion in model container [2023-03-30 23:01:41,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 11:01:08" (2/3) ... [2023-03-30 23:01:41,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ed83e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 11:01:41, skipping insertion in model container [2023-03-30 23:01:41,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 11:01:41" (3/3) ... [2023-03-30 23:01:41,521 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label12.c [2023-03-30 23:01:41,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 23:01:41,535 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 23:01:41,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 23:01:41,883 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;@581212af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 23:01:41,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 23:01:41,913 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) [2023-03-30 23:01:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10226 [2023-03-30 23:01:42,651 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 23:01:42,657 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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calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 23:01:42,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 23:01:42,669 INFO L85 PathProgramCache]: Analyzing trace with hash -724459385, now seen corresponding path program 1 times [2023-03-30 23:01:42,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 23:01:42,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628193684] [2023-03-30 23:01:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 23:01:42,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 23:01:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat