/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_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:32:41,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:32:41,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:32:41,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:32:41,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:32:41,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:32:41,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:32:41,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:32:41,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:32:41,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:32:41,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:32:41,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:32:41,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:32:41,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:32:41,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:32:41,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:32:41,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:32:41,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:32:41,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:32:41,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:32:41,373 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 21:32:41,387 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:32:41,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:32:41,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:32:41,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:32:41,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:32:41,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:32:41,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:32:41,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:32:41,389 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:32:41,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:41,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:32:41,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:32:41,391 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:32:41,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:32:41,391 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:32:41,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:32:41,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:32:41,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:32:41,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:32:41,558 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:32:41,558 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:32:41,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label46.c [2023-04-01 21:32:42,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:32:43,646 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:32:43,646 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label46.c [2023-04-01 21:32:43,760 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0822fd8e2/b71e173d4e4b450bb2142feffd39da17/FLAG265c3ff03 [2023-04-01 21:32:43,769 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0822fd8e2/b71e173d4e4b450bb2142feffd39da17 [2023-04-01 21:32:43,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:32:43,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:32:43,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:43,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:32:43,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:32:43,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:43" (1/1) ... [2023-04-01 21:32:43,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a6ab0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:43, skipping insertion in model container [2023-04-01 21:32:43,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:32:43" (1/1) ... [2023-04-01 21:32:43,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:32:44,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:32:50,854 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_label46.c[2769671,2769684] [2023-04-01 21:32:50,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:50,910 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:32:54,737 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_label46.c[2769671,2769684] [2023-04-01 21:32:54,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:32:55,354 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:32:55,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55 WrapperNode [2023-04-01 21:32:55,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:32:55,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:32:55,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:32:55,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:32:55,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:55,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:56,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:56,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:57,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:57,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:57,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:57,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:58,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:32:58,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:32:58,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:32:58,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:32:58,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (1/1) ... [2023-04-01 21:32:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:32:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:32:58,422 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 21:32:58,429 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 21:32:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:32:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:32:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:32:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:32:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:32:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:32:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:32:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:32:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:32:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:32:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:32:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:32:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:32:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:32:58,608 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:32:58,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:33:26,656 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:33:26,694 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:33:26,694 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:33:26,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:26 BoogieIcfgContainer [2023-04-01 21:33:26,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:33:26,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:33:26,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:33:26,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:33:26,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:32:43" (1/3) ... [2023-04-01 21:33:26,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771728c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:26, skipping insertion in model container [2023-04-01 21:33:26,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:32:55" (2/3) ... [2023-04-01 21:33:26,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771728c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:33:26, skipping insertion in model container [2023-04-01 21:33:26,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:33:26" (3/3) ... [2023-04-01 21:33:26,712 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label46.c [2023-04-01 21:33:26,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:33:26,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:33:26,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:33:26,858 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;@5596a82e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:33:26,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:33:26,886 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 21:33:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10200 [2023-04-01 21:33:27,583 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:33:27,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:33:27,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:33:27,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:33:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1450402241, now seen corresponding path program 1 times [2023-04-01 21:33:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:33:27,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455249328] [2023-04-01 21:33:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:33:27,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:33:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:36:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:36:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:36:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 21:36:49,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:36:49,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455249328] [2023-04-01 21:36:49,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455249328] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:36:49,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:36:49,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:36:49,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438514279] [2023-04-01 21:36:49,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:36:49,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:36:49,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:36:49,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:36:49,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:36:49,863 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 3 states have (on average 3383.3333333333335) internal successors, (10150), 2 states have internal predecessors, (10150), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)