/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_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:36:36,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:36:36,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:36:36,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 21:36:36,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 21:36:36,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 21:36:36,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 21:36:36,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 21:36:36,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 21:36:36,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 21:36:36,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 21:36:36,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 21:36:36,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:36:36,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:36:36,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:36:36,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:36:36,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:36:36,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:36:36,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:36:36,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:36:36,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:36:36,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:36:36,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:36:36,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:36:36,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:36:36,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:36:36,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:36:36,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:36:36,090 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 21:36:36,117 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:36:36,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:36:36,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:36:36,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:36:36,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:36:36,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:36:36,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:36:36,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:36:36,119 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:36:36,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:36:36,119 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:36:36,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:36:36,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:36:36,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:36:36,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:36:36,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:36:36,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:36:36,126 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:36:36,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:36:36,126 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:36:36,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:36:36,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:36:36,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:36:36,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:36:36,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:36:36,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:36:36,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:36:36,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:36:36,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:36:36,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:36:36,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:36:36,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:36:36,129 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:36:36,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:36:36,129 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:36:36,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:36:36,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:36:36,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:36:36,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:36:36,360 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:36:36,360 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:36:36,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label59.c [2023-04-01 21:36:37,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:36:39,036 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:36:39,037 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label59.c [2023-04-01 21:36:39,133 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a0ebefd/6cda895195aa4b9bbf202e94ebc7d4dd/FLAGccc118919 [2023-04-01 21:36:39,147 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a0ebefd/6cda895195aa4b9bbf202e94ebc7d4dd [2023-04-01 21:36:39,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:36:39,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:36:39,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:36:39,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:36:39,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:36:39,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:36:39" (1/1) ... [2023-04-01 21:36:39,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad1e3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:39, skipping insertion in model container [2023-04-01 21:36:39,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:36:39" (1/1) ... [2023-04-01 21:36:39,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:36:39,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:36:47,151 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_label59.c[2776148,2776161] [2023-04-01 21:36:47,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:47,203 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:36:51,398 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_label59.c[2776148,2776161] [2023-04-01 21:36:51,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:36:52,392 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:36:52,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52 WrapperNode [2023-04-01 21:36:52,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:36:52,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:36:52,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:36:52,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:36:52,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:52,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:53,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:53,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:55,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:55,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:55,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:55,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:56,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:36:56,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:36:56,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:36:56,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:36:56,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (1/1) ... [2023-04-01 21:36:56,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:36:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:36:56,538 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 21:36:56,545 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 21:36:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:36:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:36:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:36:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:36:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:36:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:36:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:36:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:36:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:36:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:36:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:36:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:36:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:36:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:36:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:36:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:36:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:36:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:36:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:36:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:36:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:36:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:36:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:36:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:36:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:36:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:36:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:36:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:36:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:36:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:36:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:36:56,710 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:36:56,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:37:28,610 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:37:28,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:37:28,673 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:37:28,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:37:28 BoogieIcfgContainer [2023-04-01 21:37:28,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:37:28,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:37:28,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:37:28,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:37:28,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:36:39" (1/3) ... [2023-04-01 21:37:28,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161baf22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:37:28, skipping insertion in model container [2023-04-01 21:37:28,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:36:52" (2/3) ... [2023-04-01 21:37:28,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161baf22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:37:28, skipping insertion in model container [2023-04-01 21:37:28,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:37:28" (3/3) ... [2023-04-01 21:37:28,689 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label59.c [2023-04-01 21:37:28,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:37:28,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:37:28,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:37:28,905 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;@1fb365c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:37:28,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:37:28,949 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 21:37:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10238 [2023-04-01 21:37:29,901 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:37:29,907 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, 1, 1, 1, 1, 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 21:37:29,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:37:29,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:37:29,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1756156151, now seen corresponding path program 1 times [2023-04-01 21:37:29,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:37:29,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193384936] [2023-04-01 21:37:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:37:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:37:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:40:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:40:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:40:25,190 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 21:40:25,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:40:25,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193384936] [2023-04-01 21:40:25,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193384936] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:40:25,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:40:25,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 21:40:25,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118259934] [2023-04-01 21:40:25,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:40:25,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 21:40:25,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:40:25,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 21:40:25,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-01 21:40:25,358 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 2547.0) internal successors, (10188), 3 states have internal predecessors, (10188), 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)