/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:24:46,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:24:46,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:24:46,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:24:46,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:24:46,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:24:46,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:24:46,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:24:46,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:24:46,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:24:46,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:24:46,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:24:46,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:24:46,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:24:46,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:24:46,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:24:46,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:24:46,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:24:46,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:24:46,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:24:46,551 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 21:24:46,581 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:24:46,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:24:46,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:24:46,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:24:46,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:24:46,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:24:46,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:24:46,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:24:46,584 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:24:46,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:24:46,584 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:24:46,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:24:46,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:24:46,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:24:46,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:24:46,587 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:24:46,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:24:46,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:24:46,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:24:46,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:24:46,794 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:24:46,794 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:24:46,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-04-01 21:24:48,003 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:24:49,363 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:24:49,364 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-04-01 21:24:49,463 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f54bf6ee/d821ae022e7c41fcaff9a4a20eaf5566/FLAG298395e5e [2023-04-01 21:24:49,474 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f54bf6ee/d821ae022e7c41fcaff9a4a20eaf5566 [2023-04-01 21:24:49,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:24:49,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:24:49,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:24:49,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:24:49,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:24:49,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:49" (1/1) ... [2023-04-01 21:24:49,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a17393b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:24:49, skipping insertion in model container [2023-04-01 21:24:49,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:24:49" (1/1) ... [2023-04-01 21:24:49,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:24:50,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:24:58,050 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_label21.c[2772223,2772236] [2023-04-01 21:24:58,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:24:58,152 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:25:02,707 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_label21.c[2772223,2772236] [2023-04-01 21:25:02,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:25:03,770 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:25:03,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03 WrapperNode [2023-04-01 21:25:03,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:25:03,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:25:03,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:25:03,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:25:03,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:03,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:04,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:04,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:06,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:06,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:06,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:06,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:07,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:25:07,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:25:07,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:25:07,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:25:07,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (1/1) ... [2023-04-01 21:25:07,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:25:07,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:25:07,194 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 21:25:07,225 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 21:25:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:25:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:25:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:25:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:25:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:25:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:25:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:25:07,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:25:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:25:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:25:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:25:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:25:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:25:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:25:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:25:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:25:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:25:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:25:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:25:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:25:07,389 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:25:07,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:25:40,214 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:25:40,262 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:25:40,262 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:25:40,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:40 BoogieIcfgContainer [2023-04-01 21:25:40,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:25:40,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:25:40,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:25:40,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:25:40,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:24:49" (1/3) ... [2023-04-01 21:25:40,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566975e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:40, skipping insertion in model container [2023-04-01 21:25:40,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:25:03" (2/3) ... [2023-04-01 21:25:40,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566975e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:25:40, skipping insertion in model container [2023-04-01 21:25:40,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:25:40" (3/3) ... [2023-04-01 21:25:40,282 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label21.c [2023-04-01 21:25:40,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:25:40,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:25:40,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:25:40,497 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;@9bad884, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:25:40,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:25:40,543 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 21:25:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10215 [2023-04-01 21:25:41,377 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:25:41,384 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] === [2023-04-01 21:25:41,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:25:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash 29208546, now seen corresponding path program 1 times [2023-04-01 21:25:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:25:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699264324] [2023-04-01 21:25:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:25:41,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:25:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat