/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_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:35:55,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:35:55,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:35:55,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:35:55,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:35:55,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:35:55,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:35:55,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:35:55,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:35:55,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:35:55,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:35:55,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:35:55,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:35:55,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:35:55,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:35:55,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:35:55,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:35:55,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:35:55,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:35:55,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:35:55,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:35:55,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:35:55,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:35:55,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:35:55,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:35:55,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:35:55,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:35:55,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:35:55,085 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 21:35:55,110 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:35:55,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:35:55,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:35:55,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:35:55,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:35:55,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:35:55,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:35:55,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:35:55,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:35:55,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:35:55,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:35:55,113 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:35:55,113 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:35:55,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:35:55,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:35:55,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:35:55,289 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:35:55,290 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:35:55,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2023-04-01 21:35:56,373 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:35:57,509 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:35:57,509 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label57.c [2023-04-01 21:35:57,602 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105a690c6/8a06104584f7496ba561bb63d0df6501/FLAG63a9c16db [2023-04-01 21:35:57,611 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/105a690c6/8a06104584f7496ba561bb63d0df6501 [2023-04-01 21:35:57,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:35:57,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:35:57,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:35:57,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:35:57,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:35:57,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:35:57" (1/1) ... [2023-04-01 21:35:57,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a400636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:35:57, skipping insertion in model container [2023-04-01 21:35:57,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:35:57" (1/1) ... [2023-04-01 21:35:57,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:35:58,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:36:04,889 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_label57.c[2771372,2771385] [2023-04-01 21:36:04,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:04,939 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:36:09,286 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_label57.c[2771372,2771385] [2023-04-01 21:36:09,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:10,230 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:36:10,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10 WrapperNode [2023-04-01 21:36:10,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:36:10,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:36:10,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:36:10,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:36:10,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:10,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:11,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:11,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:12,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:12,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:12,688 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:12,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:13,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:36:13,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:36:13,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:36:13,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:36:13,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (1/1) ... [2023-04-01 21:36:13,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:36:13,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:36:13,353 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 21:36:13,358 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 21:36:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:36:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:36:13,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:36:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:36:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:36:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:36:13,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:36:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:36:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:36:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:36:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:36:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:36:13,490 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:36:13,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:36:42,223 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:36:42,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:36:42,261 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:36:42,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:36:42 BoogieIcfgContainer [2023-04-01 21:36:42,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:36:42,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:36:42,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:36:42,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:36:42,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:35:57" (1/3) ... [2023-04-01 21:36:42,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c63398f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:36:42, skipping insertion in model container [2023-04-01 21:36:42,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:10" (2/3) ... [2023-04-01 21:36:42,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c63398f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:36:42, skipping insertion in model container [2023-04-01 21:36:42,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:36:42" (3/3) ... [2023-04-01 21:36:42,273 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label57.c [2023-04-01 21:36:42,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:36:42,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:36:42,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:36:42,424 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;@53fc8a49, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:36:42,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:36:42,461 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 21:36:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10210 [2023-04-01 21:36:43,280 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:36:43,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 21:36:43,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:36:43,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:36:43,295 INFO L85 PathProgramCache]: Analyzing trace with hash -594905785, now seen corresponding path program 1 times [2023-04-01 21:36:43,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:36:43,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491631789] [2023-04-01 21:36:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:36:43,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:36:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:39:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:39:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:39:34,828 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 21:39:34,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:39:34,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491631789] [2023-04-01 21:39:34,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491631789] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:39:34,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:39:34,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:39:34,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243166340] [2023-04-01 21:39:34,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:39:34,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:39:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:39:34,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:39:34,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:39:34,966 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 5 states, 4 states have (on average 2540.0) internal successors, (10160), 3 states have internal predecessors, (10160), 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)