./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 19:48:33,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 19:48:33,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 19:48:33,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 19:48:33,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 19:48:33,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 19:48:33,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 19:48:33,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 19:48:33,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 19:48:33,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 19:48:33,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 19:48:33,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 19:48:33,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 19:48:33,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 19:48:33,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 19:48:33,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 19:48:33,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 19:48:33,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 19:48:33,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 19:48:33,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 19:48:33,469 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 19:48:33,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 19:48:33,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 19:48:33,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 19:48:33,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 19:48:33,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 19:48:33,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 19:48:33,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 19:48:33,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 19:48:33,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 19:48:33,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 19:48:33,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 19:48:33,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 19:48:33,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 19:48:33,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 19:48:33,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 19:48:33,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 19:48:33,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 19:48:33,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 19:48:33,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 19:48:33,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 19:48:33,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 19:48:33,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 19:48:33,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 19:48:33,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 19:48:33,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 19:48:33,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 19:48:33,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 19:48:33,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 19:48:33,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 19:48:33,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 19:48:33,531 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 19:48:33,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 19:48:33,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 19:48:33,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 19:48:33,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 19:48:33,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 19:48:33,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 19:48:33,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 19:48:33,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 19:48:33,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 19:48:33,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 19:48:33,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:48:33,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 19:48:33,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 19:48:33,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 19:48:33,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 19:48:33,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 19:48:33,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 19:48:33,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 19:48:33,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 19:48:33,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 [2022-07-22 19:48:33,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 19:48:33,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 19:48:33,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 19:48:33,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 19:48:33,768 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 19:48:33,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2022-07-22 19:48:33,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0f5337d/aca0a22a569146b6a6e4c970f9bab6fa/FLAGc37604984 [2022-07-22 19:48:34,252 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 19:48:34,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2022-07-22 19:48:34,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0f5337d/aca0a22a569146b6a6e4c970f9bab6fa/FLAGc37604984 [2022-07-22 19:48:34,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0f5337d/aca0a22a569146b6a6e4c970f9bab6fa [2022-07-22 19:48:34,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 19:48:34,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 19:48:34,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 19:48:34,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 19:48:34,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 19:48:34,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b1a9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34, skipping insertion in model container [2022-07-22 19:48:34,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 19:48:34,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 19:48:34,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2022-07-22 19:48:34,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2022-07-22 19:48:34,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:48:34,536 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 19:48:34,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2022-07-22 19:48:34,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2022-07-22 19:48:34,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:48:34,566 INFO L208 MainTranslator]: Completed translation [2022-07-22 19:48:34,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34 WrapperNode [2022-07-22 19:48:34,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 19:48:34,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 19:48:34,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 19:48:34,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 19:48:34,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,597 INFO L137 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-07-22 19:48:34,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 19:48:34,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 19:48:34,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 19:48:34,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 19:48:34,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 19:48:34,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 19:48:34,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 19:48:34,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 19:48:34,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (1/1) ... [2022-07-22 19:48:34,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:48:34,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:48:34,661 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) [2022-07-22 19:48:34,669 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 [2022-07-22 19:48:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 19:48:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-07-22 19:48:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-07-22 19:48:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-07-22 19:48:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-07-22 19:48:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 19:48:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 19:48:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 19:48:34,763 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 19:48:34,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 19:48:34,975 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 19:48:34,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 19:48:34,980 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 19:48:34,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 07:48:34 BoogieIcfgContainer [2022-07-22 19:48:34,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 19:48:34,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 19:48:34,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 19:48:34,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 19:48:34,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 07:48:34" (1/3) ... [2022-07-22 19:48:34,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607d98fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 07:48:34, skipping insertion in model container [2022-07-22 19:48:34,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:48:34" (2/3) ... [2022-07-22 19:48:34,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607d98fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 07:48:34, skipping insertion in model container [2022-07-22 19:48:34,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 07:48:34" (3/3) ... [2022-07-22 19:48:34,989 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_2_2.i [2022-07-22 19:48:35,007 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 19:48:35,011 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-22 19:48:35,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 19:48:35,096 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5fdb1b65, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f06df6f [2022-07-22 19:48:35,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-22 19:48:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 19:48:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 19:48:35,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:48:35,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:48:35,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:48:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:48:35,119 INFO L85 PathProgramCache]: Analyzing trace with hash -247750664, now seen corresponding path program 1 times [2022-07-22 19:48:35,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:48:35,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517646726] [2022-07-22 19:48:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:48:35,232 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 19:48:35,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274182528] [2022-07-22 19:48:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:48:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:48:35,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 19:48:35,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 19:48:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:48:35,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 19:48:35,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 19:48:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 19:48:35,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 19:48:35,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 19:48:35,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517646726] [2022-07-22 19:48:35,344 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 19:48:35,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274182528] [2022-07-22 19:48:35,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274182528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 19:48:35,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 19:48:35,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 19:48:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73206281] [2022-07-22 19:48:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 19:48:35,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 19:48:35,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 19:48:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 19:48:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 19:48:35,419 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:35,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 19:48:35,436 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2022-07-22 19:48:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 19:48:35,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 19:48:35,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 19:48:35,443 INFO L225 Difference]: With dead ends: 66 [2022-07-22 19:48:35,443 INFO L226 Difference]: Without dead ends: 29 [2022-07-22 19:48:35,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 19:48:35,448 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 19:48:35,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 19:48:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-07-22 19:48:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-07-22 19:48:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 19:48:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-07-22 19:48:35,479 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 11 [2022-07-22 19:48:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 19:48:35,479 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-07-22 19:48:35,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-07-22 19:48:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 19:48:35,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:48:35,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:48:35,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 19:48:35,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-22 19:48:35,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:48:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:48:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -251444748, now seen corresponding path program 1 times [2022-07-22 19:48:35,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:48:35,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811410718] [2022-07-22 19:48:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:48:35,715 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 19:48:35,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066412864] [2022-07-22 19:48:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:48:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:48:35,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 19:48:35,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 19:48:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:48:35,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 19:48:35,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 19:48:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 19:48:35,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 19:48:35,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 19:48:35,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811410718] [2022-07-22 19:48:35,811 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 19:48:35,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066412864] [2022-07-22 19:48:35,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066412864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 19:48:35,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 19:48:35,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 19:48:35,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084285143] [2022-07-22 19:48:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 19:48:35,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 19:48:35,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 19:48:35,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 19:48:35,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 19:48:35,814 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:35,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 19:48:35,826 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-07-22 19:48:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 19:48:35,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 19:48:35,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 19:48:35,828 INFO L225 Difference]: With dead ends: 36 [2022-07-22 19:48:35,828 INFO L226 Difference]: Without dead ends: 30 [2022-07-22 19:48:35,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 19:48:35,830 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 19:48:35,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 19:48:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-07-22 19:48:35,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-07-22 19:48:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 19:48:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-07-22 19:48:35,836 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 11 [2022-07-22 19:48:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 19:48:35,836 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-07-22 19:48:35,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-07-22 19:48:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 19:48:35,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:48:35,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:48:35,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 19:48:36,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-22 19:48:36,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:48:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:48:36,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1673157840, now seen corresponding path program 1 times [2022-07-22 19:48:36,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:48:36,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503724815] [2022-07-22 19:48:36,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:48:36,065 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 19:48:36,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478989755] [2022-07-22 19:48:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:48:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:48:36,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 19:48:36,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 19:48:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 19:48:36,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 19:48:36,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 19:48:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 19:48:36,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 19:48:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 19:48:36,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 19:48:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503724815] [2022-07-22 19:48:36,248 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 19:48:36,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478989755] [2022-07-22 19:48:36,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478989755] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 19:48:36,249 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 19:48:36,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2022-07-22 19:48:36,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253616073] [2022-07-22 19:48:36,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 19:48:36,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 19:48:36,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 19:48:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 19:48:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 19:48:36,251 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 19:48:36,325 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-07-22 19:48:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 19:48:36,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-22 19:48:36,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 19:48:36,329 INFO L225 Difference]: With dead ends: 36 [2022-07-22 19:48:36,330 INFO L226 Difference]: Without dead ends: 31 [2022-07-22 19:48:36,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-22 19:48:36,332 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 19:48:36,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 19:48:36,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-07-22 19:48:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-07-22 19:48:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 19:48:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-07-22 19:48:36,342 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 12 [2022-07-22 19:48:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 19:48:36,342 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-07-22 19:48:36,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 19:48:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-07-22 19:48:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 19:48:36,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 19:48:36,343 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 19:48:36,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 19:48:36,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:48:36,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 19:48:36,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 19:48:36,548 INFO L85 PathProgramCache]: Analyzing trace with hash -276630798, now seen corresponding path program 2 times [2022-07-22 19:48:36,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 19:48:36,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038668265] [2022-07-22 19:48:36,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 19:48:36,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 19:48:36,558 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 19:48:36,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751444845] [2022-07-22 19:48:36,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 19:48:36,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 19:48:36,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:48:36,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 19:48:36,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 19:48:42,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 19:48:42,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 19:48:42,026 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-22 19:48:42,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 19:49:03,180 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 37 DAG size of output: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 19:49:37,857 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_12| Int) (|v_ULTIMATE.start_gcd_test_~a#1_14| Int)) (and (< 0 |v_ULTIMATE.start_gcd_test_~a#1_14|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_12|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_12| |v_ULTIMATE.start_gcd_test_~a#1_14|) 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_14| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod (mod (* 255 |v_ULTIMATE.start_gcd_test_~a#1_12|) 256) |v_ULTIMATE.start_gcd_test_~a#1_14|) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_12| 0))) (not (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-07-22 19:49:56,471 WARN L833 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_12| Int) (|v_ULTIMATE.start_gcd_test_~a#1_14| Int)) (and (< 0 |v_ULTIMATE.start_gcd_test_~a#1_14|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_12|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_12| |v_ULTIMATE.start_gcd_test_~a#1_14|) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_14| |c_ULTIMATE.start_gcd_test_~a#1|) 256) 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod (mod (* 255 |v_ULTIMATE.start_gcd_test_~a#1_12|) 256) |v_ULTIMATE.start_gcd_test_~a#1_14|) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_12| 0))) (not (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-07-22 19:50:17,143 WARN L833 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_gcd_test_~a#1_12| Int) (|v_ULTIMATE.start_gcd_test_~a#1_14| Int)) (let ((.cse0 (mod (mod (mod (* 255 |v_ULTIMATE.start_gcd_test_~a#1_12|) 256) |v_ULTIMATE.start_gcd_test_~a#1_14|) 256))) (and (= .cse0 |c_ULTIMATE.start_gcd_test_#res#1|) (< 0 |v_ULTIMATE.start_gcd_test_~a#1_14|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_12|)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_14| .cse0) 256) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_12| |v_ULTIMATE.start_gcd_test_~a#1_14|) 0) (not (= .cse0 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_12| 0)))) is different from false [2022-07-22 19:50:35,655 WARN L833 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_gcd_test_~a#1_12| Int) (|v_ULTIMATE.start_gcd_test_~a#1_14| Int)) (let ((.cse0 (mod (mod (mod (* 255 |v_ULTIMATE.start_gcd_test_~a#1_12|) 256) |v_ULTIMATE.start_gcd_test_~a#1_14|) 256))) (and (< 0 |v_ULTIMATE.start_gcd_test_~a#1_14|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_12|)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_14| .cse0) 256) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_12| |v_ULTIMATE.start_gcd_test_~a#1_14|) 0) (not (= .cse0 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_12| 0)))) is different from false [2022-07-22 19:50:37,659 WARN L855 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_gcd_test_~a#1_12| Int) (|v_ULTIMATE.start_gcd_test_~a#1_14| Int)) (let ((.cse0 (mod (mod (mod (* 255 |v_ULTIMATE.start_gcd_test_~a#1_12|) 256) |v_ULTIMATE.start_gcd_test_~a#1_14|) 256))) (and (< 0 |v_ULTIMATE.start_gcd_test_~a#1_14|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_12|)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_14| .cse0) 256) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_12| |v_ULTIMATE.start_gcd_test_~a#1_14|) 0) (not (= .cse0 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_12| 0)))) is different from true [2022-07-22 19:50:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-07-22 19:50:53,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 19:52:05,631 WARN L233 SmtUtils]: Spent 49.88s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 19:52:45,242 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse20 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse29 (mod (+ .cse19 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (.cse28 (mod (+ .cse19 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse21 (mod .cse19 256)) (.cse11 (< |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse5 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse28) 256) 0))) (.cse8 (= .cse28 0)) (.cse0 (<= .cse28 127)) (.cse12 (<= .cse29 127)) (.cse15 (= .cse29 0)) (.cse16 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse29) 256) 0))) (.cse7 (not .cse20))) (let ((.cse14 (or .cse15 .cse16 .cse7)) (.cse17 (not .cse12)) (.cse9 (not .cse0)) (.cse10 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| (+ (- 256) .cse29)) 256) 0))) (.cse13 (or .cse5 .cse7 .cse8)) (.cse3 (not .cse11)) (.cse18 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| (+ (- 256) .cse28)) 256) 0))) (.cse22 (<= .cse21 127))) (and (or (let ((.cse4 (or .cse20 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0)) (= .cse21 0))) (.cse6 (= .cse19 0))) (let ((.cse2 (or .cse3 (and .cse4 (or .cse6 .cse18 .cse7))))) (and (or (let ((.cse1 (or (and (or .cse6 .cse10 .cse7) .cse4) .cse11))) (and (or .cse0 (and .cse1 .cse2)) (or (and (or .cse3 (and .cse4 (or .cse5 .cse6 .cse7 .cse8))) .cse1) .cse9))) .cse12) (or (and (or (and (or .cse3 (and .cse4 .cse13)) (or (and .cse4 .cse14) .cse11)) .cse9) (or (and (or .cse11 (and .cse4 (or .cse6 .cse15 .cse16 .cse7))) .cse2) .cse0)) .cse17)))) (not .cse22)) (or (let ((.cse26 (or (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| (+ (- 256) .cse21)) 256) 0)) .cse20))) (let ((.cse24 (or .cse3 (and (or .cse18 .cse7) .cse26))) (.cse25 (or .cse3 (and .cse26 .cse13)))) (and (or (let ((.cse23 (or (and .cse26 .cse14) .cse11))) (and (or (and .cse23 .cse24) .cse0) (or .cse9 (and .cse25 .cse23)))) .cse17) (or (let ((.cse27 (or .cse11 (and (or .cse10 .cse7) .cse26)))) (and (or (and .cse24 .cse27) .cse0) (or (and .cse25 .cse27) .cse9))) .cse12)))) .cse22)))))) is different from false