/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem09_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:04:24,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:04:24,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:04:24,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 01:04:24,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 01:04:24,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 01:04:24,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 01:04:24,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 01:04:24,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 01:04:24,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 01:04:24,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 01:04:24,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 01:04:24,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:04:24,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:04:24,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:04:24,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:04:24,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:04:24,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:04:24,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:04:24,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:04:24,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:04:24,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:04:24,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:04:24,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:04:24,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 01:04:24,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 01:04:24,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 01:04:24,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 01:04:24,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 01:04:24,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 01:04:24,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 01:04:24,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 01:04:24,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 01:04:24,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:04:24,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:04:24,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:04:24,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:04:24,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:04:24,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:04:24,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:04:24,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:04:24,722 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:04:24,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:04:24,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:04:24,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:04:24,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:04:24,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:04:24,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:04:24,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:04:24,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:04:24,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:04:24,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:04:24,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:04:24,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:04:24,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:04:24,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:04:24,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:04:24,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:04:24,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:04:24,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:04:24,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:04:24,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:04:24,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:04:25,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:04:25,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:04:25,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:04:25,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:04:25,218 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:04:25,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem09_label38.c [2020-12-22 01:04:25,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b271ef99/253043c45be2499795efa6307b7e08a9/FLAG26413d663 [2020-12-22 01:04:30,151 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:04:30,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label38.c [2020-12-22 01:04:30,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b271ef99/253043c45be2499795efa6307b7e08a9/FLAG26413d663 [2020-12-22 01:04:30,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b271ef99/253043c45be2499795efa6307b7e08a9 [2020-12-22 01:04:30,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:04:30,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:04:30,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:04:30,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:04:30,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:04:30,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:04:30" (1/1) ... [2020-12-22 01:04:30,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667e8b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:04:30, skipping insertion in model container [2020-12-22 01:04:30,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:04:30" (1/1) ... [2020-12-22 01:04:30,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:04:32,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:04:57,770 WARN L226 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/Problem09_label38.c[6303378,6303391] [2020-12-22 01:04:57,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:04:57,902 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:05:11,890 WARN L226 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/Problem09_label38.c[6303378,6303391] [2020-12-22 01:05:11,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:05:17,946 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:05:17,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17 WrapperNode [2020-12-22 01:05:17,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:05:17,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:05:17,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:05:17,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:05:17,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:20,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:29,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:05:29,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:05:29,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:05:29,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:05:29,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:29,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:31,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:31,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:35,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:36,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:37,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... [2020-12-22 01:05:39,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:05:39,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:05:39,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:05:39,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:05:39,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:05:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:05:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:05:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:05:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:07:51,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:07:51,941 INFO L299 CfgBuilder]: Removed 155 assume(true) statements. [2020-12-22 01:07:51,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:07:51 BoogieIcfgContainer [2020-12-22 01:07:51,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:07:51,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:07:51,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:07:51,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:07:51,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:04:30" (1/3) ... [2020-12-22 01:07:51,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afbd7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:07:51, skipping insertion in model container [2020-12-22 01:07:51,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:05:17" (2/3) ... [2020-12-22 01:07:51,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afbd7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:07:51, skipping insertion in model container [2020-12-22 01:07:51,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:07:51" (3/3) ... [2020-12-22 01:07:51,986 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem09_label38.c [2020-12-22 01:07:51,994 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:07:52,009 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:07:52,034 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:07:52,151 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:07:52,152 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:07:52,152 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:07:52,152 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:07:52,152 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:07:52,152 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:07:52,152 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:07:52,152 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:07:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 20356 states. [2020-12-22 01:07:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16484 [2020-12-22 01:07:54,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:07:54,429 INFO L422 BasicCegarLoop]: 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, 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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] [2020-12-22 01:07:54,432 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:07:54,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:07:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash -243584013, now seen corresponding path program 1 times [2020-12-22 01:07:54,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:07:54,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859735244] [2020-12-22 01:07:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY