/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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 21:21:09,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 21:21:09,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 21:21:09,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 21:21:09,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 21:21:09,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 21:21:09,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 21:21:09,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 21:21:09,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 21:21:09,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 21:21:09,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 21:21:09,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 21:21:09,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 21:21:09,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 21:21:09,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 21:21:09,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 21:21:09,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 21:21:09,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 21:21:09,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 21:21:09,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 21:21:09,505 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 21:21:09,534 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 21:21:09,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 21:21:09,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 21:21:09,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 21:21:09,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 21:21:09,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 21:21:09,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 21:21:09,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 21:21:09,537 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 21:21:09,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 21:21:09,538 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 21:21:09,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 21:21:09,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 21:21:09,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 21:21:09,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 21:21:09,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 21:21:09,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:09,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 21:21:09,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 21:21:09,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 21:21:09,541 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 21:21:09,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 21:21:09,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 21:21:09,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 21:21:09,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 21:21:09,789 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 21:21:09,790 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 21:21:09,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label10.c [2023-04-01 21:21:10,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 21:21:12,836 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 21:21:12,837 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label10.c [2023-04-01 21:21:12,988 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f95879c/7e962f5ebd55499ab1d21228bb2c8701/FLAG5cb5a69eb [2023-04-01 21:21:13,001 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f95879c/7e962f5ebd55499ab1d21228bb2c8701 [2023-04-01 21:21:13,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 21:21:13,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 21:21:13,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:13,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 21:21:13,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 21:21:13,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:13" (1/1) ... [2023-04-01 21:21:13,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9921823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:13, skipping insertion in model container [2023-04-01 21:21:13,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:21:13" (1/1) ... [2023-04-01 21:21:13,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 21:21:13,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 21:21:21,295 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_label10.c[2772735,2772748] [2023-04-01 21:21:21,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:21,360 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 21:21:25,428 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_label10.c[2772735,2772748] [2023-04-01 21:21:25,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 21:21:26,440 INFO L208 MainTranslator]: Completed translation [2023-04-01 21:21:26,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26 WrapperNode [2023-04-01 21:21:26,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 21:21:26,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 21:21:26,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 21:21:26,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 21:21:26,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:26,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:27,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:27,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:29,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:29,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:29,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:29,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:30,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 21:21:30,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 21:21:30,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 21:21:30,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 21:21:30,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (1/1) ... [2023-04-01 21:21:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 21:21:30,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 21:21:30,568 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 21:21:30,576 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 21:21:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 21:21:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 21:21:30,610 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 21:21:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 21:21:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 21:21:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 21:21:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 21:21:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 21:21:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 21:21:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 21:21:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 21:21:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 21:21:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 21:21:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 21:21:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 21:21:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 21:21:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 21:21:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 21:21:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 21:21:30,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 21:21:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 21:21:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 21:21:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 21:21:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 21:21:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 21:21:30,622 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 21:21:30,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 21:21:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 21:21:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 21:21:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 21:21:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 21:21:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 21:21:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 21:21:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 21:21:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 21:21:30,794 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 21:21:30,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 21:22:02,824 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 21:22:02,883 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 21:22:02,883 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 21:22:02,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:02 BoogieIcfgContainer [2023-04-01 21:22:02,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 21:22:02,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 21:22:02,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 21:22:02,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 21:22:02,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:21:13" (1/3) ... [2023-04-01 21:22:02,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd146ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:02, skipping insertion in model container [2023-04-01 21:22:02,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:21:26" (2/3) ... [2023-04-01 21:22:02,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd146ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:22:02, skipping insertion in model container [2023-04-01 21:22:02,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:22:02" (3/3) ... [2023-04-01 21:22:02,906 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label10.c [2023-04-01 21:22:02,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 21:22:02,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 21:22:03,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 21:22:03,127 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;@4135c038, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 21:22:03,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 21:22:03,170 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 21:22:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10218 [2023-04-01 21:22:03,995 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 21:22:04,002 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] [2023-04-01 21:22:04,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 21:22:04,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 21:22:04,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1711027481, now seen corresponding path program 1 times [2023-04-01 21:22:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 21:22:04,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834434632] [2023-04-01 21:22:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 21:22:04,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 21:22:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:25:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 21:25:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 21:25:03,901 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 21:25:03,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 21:25:03,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834434632] [2023-04-01 21:25:03,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834434632] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 21:25:03,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 21:25:03,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 21:25:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360121125] [2023-04-01 21:25:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 21:25:03,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 21:25:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 21:25:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 21:25:04,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 21:25:04,045 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 3389.3333333333335) internal successors, (10168), 2 states have internal predecessors, (10168), 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)