./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/gcd_2+newton_3_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_2+newton_3_1.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 613ee8845912b921567ac9e82f8c414d8758c61c69ed2c2ac2cbc303a1b4f001 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 08:41:01,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 08:41:01,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 08:41:01,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 08:41:01,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 08:41:01,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 08:41:01,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 08:41:01,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 08:41:01,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 08:41:01,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 08:41:01,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 08:41:01,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 08:41:01,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 08:41:01,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 08:41:01,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 08:41:01,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 08:41:01,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 08:41:01,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 08:41:01,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 08:41:01,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 08:41:01,197 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 08:41:01,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 08:41:01,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 08:41:01,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 08:41:01,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 08:41:01,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 08:41:01,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 08:41:01,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 08:41:01,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 08:41:01,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 08:41:01,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 08:41:01,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 08:41:01,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 08:41:01,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 08:41:01,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 08:41:01,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 08:41:01,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 08:41:01,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 08:41:01,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 08:41:01,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 08:41:01,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 08:41:01,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 08:41:01,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 08:41:01,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 08:41:01,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 08:41:01,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 08:41:01,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 08:41:01,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 08:41:01,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 08:41:01,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 08:41:01,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 08:41:01,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 08:41:01,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 08:41:01,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 08:41:01,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 08:41:01,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 08:41:01,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 08:41:01,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 08:41:01,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 08:41:01,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 08:41:01,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 08:41:01,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613ee8845912b921567ac9e82f8c414d8758c61c69ed2c2ac2cbc303a1b4f001 [2022-07-12 08:41:01,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 08:41:01,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 08:41:01,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 08:41:01,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 08:41:01,466 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 08:41:01,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/gcd_2+newton_3_1.i [2022-07-12 08:41:01,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e916eb0f9/d64e6094695748b1984adda495cfe998/FLAG7fd60c87c [2022-07-12 08:41:01,914 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 08:41:01,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_2+newton_3_1.i [2022-07-12 08:41:01,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e916eb0f9/d64e6094695748b1984adda495cfe998/FLAG7fd60c87c [2022-07-12 08:41:01,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e916eb0f9/d64e6094695748b1984adda495cfe998 [2022-07-12 08:41:01,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 08:41:01,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 08:41:01,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 08:41:01,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 08:41:01,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 08:41:01,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 08:41:01" (1/1) ... [2022-07-12 08:41:01,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19aa433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:01, skipping insertion in model container [2022-07-12 08:41:01,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 08:41:01" (1/1) ... [2022-07-12 08:41:01,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 08:41:01,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 08:41:02,083 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_2+newton_3_1.i[1226,1239] [2022-07-12 08:41:02,099 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_2+newton_3_1.i[2862,2875] [2022-07-12 08:41:02,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 08:41:02,105 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 08:41:02,112 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_2+newton_3_1.i[1226,1239] [2022-07-12 08:41:02,119 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_2+newton_3_1.i[2862,2875] [2022-07-12 08:41:02,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 08:41:02,129 INFO L208 MainTranslator]: Completed translation [2022-07-12 08:41:02,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02 WrapperNode [2022-07-12 08:41:02,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 08:41:02,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 08:41:02,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 08:41:02,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 08:41:02,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,168 INFO L137 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 82 [2022-07-12 08:41:02,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 08:41:02,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 08:41:02,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 08:41:02,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 08:41:02,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 08:41:02,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 08:41:02,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 08:41:02,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 08:41:02,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (1/1) ... [2022-07-12 08:41:02,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 08:41:02,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 08:41:02,213 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) [2022-07-12 08:41:02,215 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 [2022-07-12 08:41:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 08:41:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-07-12 08:41:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-07-12 08:41:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-07-12 08:41:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-07-12 08:41:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 08:41:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 08:41:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 08:41:02,282 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 08:41:02,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 08:41:02,411 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 08:41:02,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 08:41:02,415 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 08:41:02,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 08:41:02 BoogieIcfgContainer [2022-07-12 08:41:02,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 08:41:02,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 08:41:02,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 08:41:02,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 08:41:02,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 08:41:01" (1/3) ... [2022-07-12 08:41:02,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ea7813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 08:41:02, skipping insertion in model container [2022-07-12 08:41:02,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 08:41:02" (2/3) ... [2022-07-12 08:41:02,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ea7813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 08:41:02, skipping insertion in model container [2022-07-12 08:41:02,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 08:41:02" (3/3) ... [2022-07-12 08:41:02,423 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_3_1.i [2022-07-12 08:41:02,433 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 08:41:02,433 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 08:41:02,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 08:41:02,496 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@3537324, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@30ebedb3 [2022-07-12 08:41:02,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 08:41:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 31 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 08:41:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 08:41:02,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 08:41:02,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 08:41:02,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 08:41:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 08:41:02,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1709385323, now seen corresponding path program 1 times [2022-07-12 08:41:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 08:41:02,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602556154] [2022-07-12 08:41:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:41:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 08:41:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 08:41:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 08:41:02,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 08:41:02,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602556154] [2022-07-12 08:41:02,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602556154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 08:41:02,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 08:41:02,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 08:41:02,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723854042] [2022-07-12 08:41:02,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 08:41:02,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 08:41:02,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 08:41:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 08:41:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 08:41:02,745 INFO L87 Difference]: Start difference. First operand has 40 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 31 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-07-12 08:41:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 08:41:02,822 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2022-07-12 08:41:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 08:41:02,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 [2022-07-12 08:41:02,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 08:41:02,830 INFO L225 Difference]: With dead ends: 96 [2022-07-12 08:41:02,830 INFO L226 Difference]: Without dead ends: 39 [2022-07-12 08:41:02,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 08:41:02,836 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 29 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 08:41:02,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 08:41:02,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-12 08:41:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-07-12 08:41:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 08:41:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-07-12 08:41:02,868 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 11 [2022-07-12 08:41:02,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 08:41:02,868 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-07-12 08:41:02,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-07-12 08:41:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-07-12 08:41:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 08:41:02,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 08:41:02,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 08:41:02,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 08:41:02,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 08:41:02,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 08:41:02,872 INFO L85 PathProgramCache]: Analyzing trace with hash 65622039, now seen corresponding path program 1 times [2022-07-12 08:41:02,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 08:41:02,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899533484] [2022-07-12 08:41:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:41:02,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 08:41:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 08:41:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 08:41:02,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 08:41:02,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899533484] [2022-07-12 08:41:02,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899533484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 08:41:02,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 08:41:02,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 08:41:02,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275114559] [2022-07-12 08:41:02,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 08:41:02,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 08:41:02,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 08:41:02,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 08:41:02,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 08:41:02,915 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-07-12 08:41:02,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 08:41:02,956 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-07-12 08:41:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 08:41:02,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 [2022-07-12 08:41:02,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 08:41:02,958 INFO L225 Difference]: With dead ends: 39 [2022-07-12 08:41:02,959 INFO L226 Difference]: Without dead ends: 33 [2022-07-12 08:41:02,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 08:41:02,961 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 08:41:02,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 97 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 08:41:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-07-12 08:41:02,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-07-12 08:41:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 08:41:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-07-12 08:41:02,969 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 11 [2022-07-12 08:41:02,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 08:41:02,970 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-07-12 08:41:02,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-07-12 08:41:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-07-12 08:41:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 08:41:02,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 08:41:02,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 08:41:02,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 08:41:02,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 08:41:02,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 08:41:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash -659390950, now seen corresponding path program 1 times [2022-07-12 08:41:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 08:41:02,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350215180] [2022-07-12 08:41:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:41:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 08:41:02,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 08:41:02,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840115027] [2022-07-12 08:41:02,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:41:02,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 08:41:02,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 08:41:02,996 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) [2022-07-12 08:41:02,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 08:41:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 08:41:03,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 08:41:03,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 08:41:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 08:41:03,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 08:41:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 08:41:03,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 08:41:03,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350215180] [2022-07-12 08:41:03,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 08:41:03,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840115027] [2022-07-12 08:41:03,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840115027] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 08:41:03,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 08:41:03,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-07-12 08:41:03,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73963563] [2022-07-12 08:41:03,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 08:41:03,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 08:41:03,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 08:41:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 08:41:03,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 08:41:03,142 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2022-07-12 08:41:03,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 08:41:03,188 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-07-12 08:41:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 08:41:03,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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 [2022-07-12 08:41:03,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 08:41:03,189 INFO L225 Difference]: With dead ends: 40 [2022-07-12 08:41:03,189 INFO L226 Difference]: Without dead ends: 34 [2022-07-12 08:41:03,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-12 08:41:03,191 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 08:41:03,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 183 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 08:41:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-12 08:41:03,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-07-12 08:41:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 08:41:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-07-12 08:41:03,195 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 12 [2022-07-12 08:41:03,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 08:41:03,195 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-07-12 08:41:03,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2022-07-12 08:41:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-07-12 08:41:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 08:41:03,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 08:41:03,196 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 08:41:03,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 08:41:03,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 08:41:03,412 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 08:41:03,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 08:41:03,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1659957129, now seen corresponding path program 2 times [2022-07-12 08:41:03,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 08:41:03,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163992913] [2022-07-12 08:41:03,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:41:03,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 08:41:03,420 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 08:41:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1402372645] [2022-07-12 08:41:03,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 08:41:03,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 08:41:03,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 08:41:03,430 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) [2022-07-12 08:41:03,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 08:41:03,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 08:41:03,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 08:41:03,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-12 08:41:03,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 08:41:10,823 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 08:41:35,055 WARN L233 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 45 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 08:41:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 08:41:35,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 08:41:45,464 WARN L855 $PredicateComparison]: unable to prove that (or (<= |c_ULTIMATE.start_main1_~y~0#1| 0) (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~b#1| 0))) (let ((.cse3 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse31 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod .cse31 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse30) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod (+ .cse31 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse30 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse30 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse31 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (.cse4 (not .cse0)) (.cse5 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse28 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse29 (mod .cse28 256))) (or (not (<= (mod (+ .cse28 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse29) 256) 0)) (not (<= (mod (+ .cse28 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (not (<= .cse29 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse29 |c_ULTIMATE.start_main1_~y~0#1|))))) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|))))) (and (or .cse0 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse2 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse1 (mod (+ .cse2 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse1 127)) (<= .cse1 |c_ULTIMATE.start_main1_~y~0#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod .cse2 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse1) 256) 0)) (<= (mod (+ .cse2 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (or .cse0 .cse3) (or .cse4 (and .cse5 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse7 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse6 (mod (+ .cse7 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse6 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse6 127)) (< 127 (mod (+ .cse7 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (< 127 (mod .cse7 256)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse6) 256) 0)))))))))) (or .cse4 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse9 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse8 (mod (+ .cse9 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse8 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse8 127)) (<= (mod .cse9 256) 127) (< 127 (mod (+ .cse9 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse8) 256) 0))))))) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse10 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse11 (mod .cse10 256))) (or (not (<= (mod (+ .cse10 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse11) 256) 0)) (not (<= .cse11 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse11 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse10 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse13 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse12 (mod (+ .cse13 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (not (<= .cse12 127)) (<= .cse12 |c_ULTIMATE.start_main1_~y~0#1|) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse12) 256) 0)) (not (<= (mod .cse13 256) 127)) (<= (mod (+ .cse13 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (= .cse13 0))))))))) (or .cse0 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse15 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse14 (mod .cse15 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse14) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= (mod (+ .cse15 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse15 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse14 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse14 |c_ULTIMATE.start_main1_~y~0#1|)))))) (or .cse4 .cse3) (or (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse17 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod (+ .cse17 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse16 127)) (<= .cse16 |c_ULTIMATE.start_main1_~y~0#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod .cse17 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse16) 256) 0)) (< 127 (mod (+ .cse17 |c_ULTIMATE.start_gcd_test_~b#1|) 256)))))) .cse0) (or .cse4 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse19 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse18 (mod (+ .cse19 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse18 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse18 127)) (<= (mod (+ .cse19 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (<= (mod .cse19 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse18) 256) 0))))))) (or (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse20 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod .cse20 256))) (or (not (<= (mod (+ .cse20 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse21) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse21 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse21 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse20 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))) .cse4) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse23 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse22 (mod .cse23 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse22) 256) 0)) (not (<= (mod (+ .cse23 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse23 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse22 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse22 |c_ULTIMATE.start_main1_~y~0#1|))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse25 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod (+ .cse25 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse24 |c_ULTIMATE.start_main1_~y~0#1|) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= .cse24 127)) (<= (mod (+ .cse25 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= (mod .cse25 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse24) 256) 0)) (= .cse25 0)))))))) .cse4) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse27 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse26 (mod (+ .cse27 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse26 127)) (<= .cse26 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse26) 256) 0)) (< 127 (mod .cse27 256)) (< 127 (mod (+ .cse27 |c_ULTIMATE.start_gcd_test_~b#1|) 256)))))))) .cse5) .cse0)))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) is different from true [2022-07-12 08:42:19,453 WARN L233 SmtUtils]: Spent 26.27s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 08:42:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-07-12 08:42:21,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 08:42:21,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163992913] [2022-07-12 08:42:21,004 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 08:42:21,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402372645] [2022-07-12 08:42:21,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402372645] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 08:42:21,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 08:42:21,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-12 08:42:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406946269] [2022-07-12 08:42:21,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 08:42:21,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 08:42:21,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 08:42:21,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 08:42:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=193, Unknown=5, NotChecked=28, Total=272 [2022-07-12 08:42:21,005 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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) [2022-07-12 08:42:56,744 WARN L233 SmtUtils]: Spent 34.86s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 08:42:59,446 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (<= |c_ULTIMATE.start_main1_~y~0#1| 0))) (and (or .cse0 (let ((.cse1 (< |c_ULTIMATE.start_gcd_test_~b#1| 0))) (let ((.cse4 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse32 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse31 (mod .cse32 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse31) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod (+ .cse32 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse31 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse31 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse32 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (.cse5 (not .cse1)) (.cse6 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse29 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod .cse29 256))) (or (not (<= (mod (+ .cse29 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse30) 256) 0)) (not (<= (mod (+ .cse29 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (not (<= .cse30 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse30 |c_ULTIMATE.start_main1_~y~0#1|))))) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|))))) (and (or .cse1 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse3 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse2 (mod (+ .cse3 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse2 127)) (<= .cse2 |c_ULTIMATE.start_main1_~y~0#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod .cse3 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse2) 256) 0)) (<= (mod (+ .cse3 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (or .cse1 .cse4) (or .cse5 (and .cse6 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse8 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse7 (mod (+ .cse8 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse7 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse7 127)) (< 127 (mod (+ .cse8 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (< 127 (mod .cse8 256)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse7) 256) 0)))))))))) (or .cse5 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse10 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse9 (mod (+ .cse10 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse9 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse9 127)) (<= (mod .cse10 256) 127) (< 127 (mod (+ .cse10 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse9) 256) 0))))))) (or .cse1 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse11 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse12 (mod .cse11 256))) (or (not (<= (mod (+ .cse11 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse12) 256) 0)) (not (<= .cse12 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse12 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse11 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse14 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod (+ .cse14 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (not (<= .cse13 127)) (<= .cse13 |c_ULTIMATE.start_main1_~y~0#1|) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse13) 256) 0)) (not (<= (mod .cse14 256) 127)) (<= (mod (+ .cse14 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (= .cse14 0))))))))) (or .cse1 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse16 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse15 (mod .cse16 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse15) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= (mod (+ .cse16 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse16 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse15 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse15 |c_ULTIMATE.start_main1_~y~0#1|)))))) (or .cse5 .cse4) (or (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse18 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse17 (mod (+ .cse18 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse17 127)) (<= .cse17 |c_ULTIMATE.start_main1_~y~0#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod .cse18 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse17) 256) 0)) (< 127 (mod (+ .cse18 |c_ULTIMATE.start_gcd_test_~b#1|) 256)))))) .cse1) (or .cse5 (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse20 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse19 (mod (+ .cse20 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse19 |c_ULTIMATE.start_main1_~y~0#1|) (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse19 127)) (<= (mod (+ .cse20 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (<= (mod .cse20 256) 127) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse19) 256) 0))))))) (or (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int) (|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse21 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse22 (mod .cse21 256))) (or (not (<= (mod (+ .cse21 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse22) 256) 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (not (<= .cse22 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse22 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse21 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))) .cse5) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse24 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse23 (mod .cse24 256))) (or (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse23) 256) 0)) (not (<= (mod (+ .cse24 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse24 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= .cse23 127)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse23 |c_ULTIMATE.start_main1_~y~0#1|))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse26 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod (+ .cse26 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (or (<= .cse25 |c_ULTIMATE.start_main1_~y~0#1|) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= .cse25 127)) (<= (mod (+ .cse26 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256) 127) (not (<= (mod .cse26 256) 127)) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse25) 256) 0)) (= .cse26 0)))))))) .cse5) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_15| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_15| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse28 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod (+ .cse28 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~a#1|) (not (<= .cse27 127)) (<= .cse27 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_15| .cse27) 256) 0)) (< 127 (mod .cse28 256)) (< 127 (mod (+ .cse28 |c_ULTIMATE.start_gcd_test_~b#1|) 256)))))))) .cse6) .cse1)))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (or .cse0 (<= |c_ULTIMATE.start_gcd_test_~b#1| |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|) 256) 0)) (not (<= |c_ULTIMATE.start_gcd_test_~b#1| 127))))) is different from true [2022-07-12 08:43:00,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 08:43:00,112 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-07-12 08:43:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 08:43:00,113 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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 13 [2022-07-12 08:43:00,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 08:43:00,114 INFO L225 Difference]: With dead ends: 48 [2022-07-12 08:43:00,114 INFO L226 Difference]: Without dead ends: 39 [2022-07-12 08:43:00,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 104.9s TimeCoverageRelationStatistics Valid=68, Invalid=276, Unknown=6, NotChecked=70, Total=420 [2022-07-12 08:43:00,115 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 08:43:00,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 293 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 61 Unchecked, 0.0s Time] [2022-07-12 08:43:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-12 08:43:00,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2022-07-12 08:43:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 08:43:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-07-12 08:43:00,118 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 13 [2022-07-12 08:43:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 08:43:00,118 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-07-12 08:43:00,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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) [2022-07-12 08:43:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-07-12 08:43:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 08:43:00,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 08:43:00,119 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 08:43:00,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 08:43:00,319 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,SelfDestructingSolverStorable3 [2022-07-12 08:43:00,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 08:43:00,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 08:43:00,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1682229690, now seen corresponding path program 3 times [2022-07-12 08:43:00,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 08:43:00,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832717869] [2022-07-12 08:43:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 08:43:00,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 08:43:00,327 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 08:43:00,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106412476] [2022-07-12 08:43:00,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-12 08:43:00,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 08:43:00,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 08:43:00,331 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) [2022-07-12 08:43:00,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 08:43:00,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-12 08:43:00,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 08:43:00,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 08:43:00,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 08:43:22,528 WARN L233 SmtUtils]: Spent 13.45s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 08:44:26,784 WARN L833 $PredicateComparison]: unable to prove that (and (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse0 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse1 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse0 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse1 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse1 0)) (= .cse0 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse2 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse3) 256))) (and (<= .cse2 127) (= .cse2 |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse3 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0))))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (< 127 (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse6 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse5 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse6) 256))) (and (<= .cse5 127) (= .cse5 |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse6 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse8 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse7 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse8 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse8 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse9 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|)) 256))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (+ .cse9 (- 256))) (not (<= .cse9 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (= .cse7 0))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse10 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse10 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse10 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse11 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse12) 256))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (+ .cse11 (- 256))) (not (<= .cse11 127)) (not (= .cse12 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse13 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse14 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse15) 256))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (+ .cse14 (- 256))) (not (<= .cse14 127)) (not (= .cse15 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0))))) (< 127 (mod (+ .cse13 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and (let ((.cse16 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse48 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse48 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse48 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (.cse36 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse47 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse47 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse47 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (.cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse46 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse46 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)) (= .cse46 |c_ULTIMATE.start_gcd_test_~b#1|))))) (.cse31 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse45 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (not (<= .cse45 127)) (= .cse45 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))))) (.cse35 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse44 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod .cse43 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse44 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse44 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= .cse43 0))))))) (or (and .cse16 .cse17) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse18 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse18 256)) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse19 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse19 127) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= .cse19 |c_ULTIMATE.start_gcd_test_~b#1|)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse20 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse20 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse20 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse20 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod .cse21 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= .cse21 0))))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse22 (mod .cse23 256))) (and (not (= .cse22 0)) (<= (mod (+ .cse23 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse22) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse24 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse24 127) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= .cse24 |c_ULTIMATE.start_gcd_test_~b#1|)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse25 (mod .cse27 256))) (and (not (= .cse25 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse26 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (not (<= .cse26 127)) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= .cse26 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))))) (<= (mod (+ .cse27 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse25) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse28 (mod .cse30 256))) (and (not (= .cse28 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod .cse29 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= .cse29 0)))) (<= (mod (+ .cse30 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse28) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and .cse31 .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse33 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse33 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse32 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse33 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse33 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod .cse34 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= .cse34 0)))) (= .cse32 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and .cse35 .cse17) (and .cse36 .cse31) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse37 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod .cse38 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= .cse38 0)))) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse37 256)) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))))) (and .cse36 .cse17) (and .cse31 .cse35) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse39 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse40 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (not (<= .cse40 127)) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= .cse40 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))))) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse39 256)) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse41 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod .cse42 256) |c_ULTIMATE.start_gcd_test_~b#1|) (= .cse42 0)))) (< 127 (mod (+ .cse41 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (not (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse49 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse49 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse49 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse50 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse51) 256))) (and (<= .cse50 127) (= .cse50 |c_ULTIMATE.start_gcd_test_~b#1|) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse51 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127)) is different from false [2022-07-12 08:44:31,534 WARN L833 $PredicateComparison]: unable to prove that (and (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse2 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse0 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse0) 256) 0) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse0 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (= (mod .cse1 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse2 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse2 0)) (= .cse1 0))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse3) 256) 0) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse3 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (< 127 (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse6 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse5) 256) 0) (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse5 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse6 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse6 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse6 0))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and (let ((.cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256) 0))))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse7 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse7 256)) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse9 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse8 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse9 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) (not (= .cse9 0)) (= .cse8 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse10 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) (< 127 (mod (+ .cse10 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse11 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse11 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) (not (= .cse11 0))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse13 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse13 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (and .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse15 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod .cse14 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse15 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse15 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= .cse14 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse16 (mod .cse17 256))) (and (not (= .cse16 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256) 0) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|))) (<= (mod (+ .cse17 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse16) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse18 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse18 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse18 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse19 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 256) 0) (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|))) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse19 256)) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse20 (mod .cse21 256))) (and (not (= .cse20 0)) (<= (mod (+ .cse21 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse20) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))))))) (not (< |c_ULTIMATE.start_gcd_test_~a#1| 0)))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127)) is different from false [2022-07-12 08:44:35,738 WARN L833 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse0 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse0 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse1 0)) (= (mod (+ (* 255 |c_ULTIMATE.start_gcd_test_#res#1|) .cse1) 256) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (<= (mod (+ .cse0 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse0 0))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse2 256) |c_ULTIMATE.start_gcd_test_#res#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse3 0)) (= (mod (+ (* 255 |c_ULTIMATE.start_gcd_test_#res#1|) .cse3) 256) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (<= (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse4 0)) (= .cse2 0))))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse5 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (let ((.cse6 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|))) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse6 0)) (= (mod (+ (* 255 |c_ULTIMATE.start_gcd_test_#res#1|) .cse6) 256) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0)))) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (< 127 (mod (+ .cse5 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and (not (< |c_ULTIMATE.start_gcd_test_#res#1| 0)) (let ((.cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 256) 0))))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse7 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 0))) (< 127 (mod (+ .cse7 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and .cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse10 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod .cse9 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse10 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse10 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= .cse9 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse11 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse11 256)) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 256) 0))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse12 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse12 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))) .cse8) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse13 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse13 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse13 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 0)))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (<= (mod (+ .cse14 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (mod .cse14 256)) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse16 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse15 (mod .cse16 256))) (and (not (= .cse15 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse15) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse16 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 256) 0))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)))))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|))) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse18 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (and (= (mod .cse17 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse18 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (not (= .cse18 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256) (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 0))) (= .cse17 0))))))) (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse19 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse19 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse19 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))) .cse8) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_18| Int)) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse20 (mod .cse21 256))) (and (not (= .cse20 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse20) 256) |c_ULTIMATE.start_gcd_test_#res#1|) (<= (mod (+ .cse21 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_20| Int)) (and (<= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) |v_ULTIMATE.start_gcd_test_~a#1_20|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| |c_ULTIMATE.start_gcd_test_#res#1|) 0))))))))) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))))) is different from false [2022-07-12 08:44:43,869 WARN L833 $PredicateComparison]: unable to prove that (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse0 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse1 (mod (+ .cse0 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse2 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse1)) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= (mod (+ .cse0 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse1 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse0 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse2) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse2) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse5 (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse6 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse5)) 256))) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse6))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (= .cse3 0)) (<= (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse5 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse4 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse6) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0) (= (mod (+ (* .cse6 255) .cse3) 256) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_16|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse8 (mod .cse7 256))) (let ((.cse9 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse8) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (<= (mod (+ .cse7 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse8 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse9) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse9) 256) 0) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse10 (mod (+ .cse12 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse11 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse10)) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse10 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse11) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse11) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse12 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse13 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse14 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse13) 256) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse13) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse14 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse16 (mod (+ .cse15 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse16)))) (let ((.cse17 (mod .cse18 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (<= (mod (+ .cse15 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse15 0)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse17) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse17) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= .cse18 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse20 (mod (+ .cse22 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse21 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse20)) 256))) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse21))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (= .cse19 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse20 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse21) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (< 127 (mod (+ .cse22 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0) (= (mod (+ (* .cse21 255) .cse19) 256) 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse25 (mod .cse23 256))) (let ((.cse24 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse25) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (<= (mod (+ .cse23 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse24) 0) (<= .cse25 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse24) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse28 (mod (+ .cse27 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) (let ((.cse29 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) .cse28)) 256))) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse29))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (= .cse26 0)) (<= (mod (+ .cse27 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse28 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_20|)) (not (= .cse27 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse29) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_20| 0) (= (mod (+ (* .cse29 255) .cse26) 256) 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse30 (mod .cse31 256))) (let ((.cse32 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse30) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (= .cse30 0)) (<= (mod (+ .cse31 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (<= .cse30 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse32) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse32) 256) 0) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse33 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse34 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse33) 256) 0) (<= (mod (+ .cse34 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse34 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse33) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse35 (mod .cse36 256))) (let ((.cse37 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_19| .cse35) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (not (= .cse35 0)) (<= (mod (+ .cse36 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse37) 0) (<= .cse35 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse37) (not (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0)) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_19| Int) (|v_ULTIMATE.start_gcd_test_~a#1_18| Int) (|v_ULTIMATE.start_gcd_test_~a#1_20| Int) (|v_ULTIMATE.start_gcd_test_~b#1_16| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_18| |v_ULTIMATE.start_gcd_test_~b#1_16|))) (let ((.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_19| (+ (- 256) (mod (+ .cse39 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_16|)) 256))))) (let ((.cse38 (mod .cse40 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_20| .cse38) 256) 0) (<= (mod (+ .cse39 |v_ULTIMATE.start_gcd_test_~b#1_16|) 256) 127) (< |v_ULTIMATE.start_gcd_test_~a#1_18| 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_20|) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |c_ULTIMATE.start_main1_~y~0#1|) (not (= .cse39 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| .cse38) (<= |v_ULTIMATE.start_gcd_test_~b#1_16| |v_ULTIMATE.start_gcd_test_~a#1_19|) (not (< |v_ULTIMATE.start_gcd_test_~b#1_16| 0)) (= .cse40 0))))))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127)) is different from false [2022-07-12 08:44:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 3 not checked. [2022-07-12 08:44:52,392 INFO L328 TraceCheckSpWp]: Computing backward predicates...