./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_3+newton_3_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 07:26:42,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 07:26:42,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 07:26:42,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 07:26:42,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 07:26:42,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 07:26:42,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 07:26:42,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 07:26:42,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 07:26:42,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 07:26:42,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 07:26:42,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 07:26:42,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 07:26:42,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 07:26:42,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 07:26:42,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 07:26:42,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 07:26:42,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 07:26:42,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 07:26:42,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 07:26:42,483 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 07:26:42,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 07:26:42,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 07:26:42,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 07:26:42,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 07:26:42,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 07:26:42,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 07:26:42,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 07:26:42,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 07:26:42,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 07:26:42,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 07:26:42,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 07:26:42,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 07:26:42,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 07:26:42,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 07:26:42,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 07:26:42,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 07:26:42,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 07:26:42,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 07:26:42,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 07:26:42,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 07:26:42,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 07:26:42,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 07:26:42,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 07:26:42,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 07:26:42,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 07:26:42,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 07:26:42,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 07:26:42,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 07:26:42,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 07:26:42,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 07:26:42,531 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 07:26:42,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 07:26:42,531 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 07:26:42,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 07:26:42,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 07:26:42,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 07:26:42,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 07:26:42,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 07:26:42,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 07:26:42,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 07:26:42,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 07:26:42,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 07:26:42,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 07:26:42,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 07:26:42,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 07:26:42,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 07:26:42,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 07:26:42,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 07:26:42,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 07:26:42,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 07:26:42,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 07:26:42,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 07:26:42,546 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 07:26:42,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 07:26:42,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 07:26:42,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f [2022-07-21 07:26:42,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 07:26:42,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 07:26:42,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 07:26:42,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 07:26:42,833 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 07:26:42,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2022-07-21 07:26:42,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b8ea077/be68e981b4404baaa1c221b6040029be/FLAGaf1f0f052 [2022-07-21 07:26:43,235 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 07:26:43,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2022-07-21 07:26:43,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b8ea077/be68e981b4404baaa1c221b6040029be/FLAGaf1f0f052 [2022-07-21 07:26:43,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b8ea077/be68e981b4404baaa1c221b6040029be [2022-07-21 07:26:43,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 07:26:43,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 07:26:43,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 07:26:43,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 07:26:43,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 07:26:43,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5ee423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43, skipping insertion in model container [2022-07-21 07:26:43,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 07:26:43,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 07:26:43,787 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_3+newton_3_2.i[1226,1239] [2022-07-21 07:26:43,805 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_3+newton_3_2.i[2862,2875] [2022-07-21 07:26:43,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 07:26:43,812 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 07:26:43,829 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_3+newton_3_2.i[1226,1239] [2022-07-21 07:26:43,849 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_3+newton_3_2.i[2862,2875] [2022-07-21 07:26:43,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 07:26:43,867 INFO L208 MainTranslator]: Completed translation [2022-07-21 07:26:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43 WrapperNode [2022-07-21 07:26:43,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 07:26:43,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 07:26:43,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 07:26:43,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 07:26:43,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,912 INFO L137 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 82 [2022-07-21 07:26:43,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 07:26:43,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 07:26:43,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 07:26:43,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 07:26:43,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 07:26:43,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 07:26:43,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 07:26:43,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 07:26:43,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (1/1) ... [2022-07-21 07:26:43,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 07:26:43,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 07:26:43,975 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) [2022-07-21 07:26:43,993 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 [2022-07-21 07:26:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 07:26:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-07-21 07:26:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-07-21 07:26:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-07-21 07:26:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-07-21 07:26:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 07:26:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 07:26:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 07:26:44,062 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 07:26:44,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 07:26:44,233 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 07:26:44,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 07:26:44,238 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 07:26:44,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:26:44 BoogieIcfgContainer [2022-07-21 07:26:44,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 07:26:44,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 07:26:44,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 07:26:44,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 07:26:44,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 07:26:43" (1/3) ... [2022-07-21 07:26:44,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47871850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:26:44, skipping insertion in model container [2022-07-21 07:26:44,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:26:43" (2/3) ... [2022-07-21 07:26:44,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47871850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:26:44, skipping insertion in model container [2022-07-21 07:26:44,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:26:44" (3/3) ... [2022-07-21 07:26:44,263 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd_3+newton_3_2.i [2022-07-21 07:26:44,272 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 07:26:44,273 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 07:26:44,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 07:26:44,340 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@3c42b3e8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ae513a [2022-07-21 07:26:44,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 07:26:44,351 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) [2022-07-21 07:26:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 07:26:44,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:26:44,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 07:26:44,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:26:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:26:44,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1709385323, now seen corresponding path program 1 times [2022-07-21 07:26:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:26:44,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577079484] [2022-07-21 07:26:44,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:26:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:26:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:26:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:26:44,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:26:44,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577079484] [2022-07-21 07:26:44,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577079484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:26:44,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:26:44,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 07:26:44,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257586565] [2022-07-21 07:26:44,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:26:44,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 07:26:44,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:26:44,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 07:26:44,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 07:26:44,546 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) [2022-07-21 07:26:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:26:44,604 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions. [2022-07-21 07:26:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 07:26:44,608 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 [2022-07-21 07:26:44,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:26:44,612 INFO L225 Difference]: With dead ends: 96 [2022-07-21 07:26:44,612 INFO L226 Difference]: Without dead ends: 39 [2022-07-21 07:26:44,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 07:26:44,617 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 23 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 07:26:44,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 134 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 07:26:44,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-21 07:26:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-07-21 07:26:44,643 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) [2022-07-21 07:26:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-07-21 07:26:44,645 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 11 [2022-07-21 07:26:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:26:44,646 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-07-21 07:26:44,646 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) [2022-07-21 07:26:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-07-21 07:26:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 07:26:44,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:26:44,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 07:26:44,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 07:26:44,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:26:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:26:44,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1776235347, now seen corresponding path program 1 times [2022-07-21 07:26:44,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:26:44,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603044367] [2022-07-21 07:26:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:26:44,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:26:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:26:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:26:44,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:26:44,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603044367] [2022-07-21 07:26:44,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603044367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 07:26:44,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 07:26:44,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 07:26:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090719841] [2022-07-21 07:26:44,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 07:26:44,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 07:26:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:26:44,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 07:26:44,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 07:26:44,708 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2022-07-21 07:26:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:26:44,754 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-07-21 07:26:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 07:26:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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 [2022-07-21 07:26:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:26:44,755 INFO L225 Difference]: With dead ends: 39 [2022-07-21 07:26:44,760 INFO L226 Difference]: Without dead ends: 33 [2022-07-21 07:26:44,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 07:26:44,762 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 07:26:44,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 155 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 07:26:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-07-21 07:26:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-07-21 07:26:44,771 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) [2022-07-21 07:26:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-07-21 07:26:44,772 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 11 [2022-07-21 07:26:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:26:44,772 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-07-21 07:26:44,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 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) [2022-07-21 07:26:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-07-21 07:26:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 07:26:44,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:26:44,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 07:26:44,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 07:26:44,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:26:44,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:26:44,774 INFO L85 PathProgramCache]: Analyzing trace with hash 830014046, now seen corresponding path program 1 times [2022-07-21 07:26:44,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:26:44,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094294542] [2022-07-21 07:26:44,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:26:44,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:26:44,793 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 07:26:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435363953] [2022-07-21 07:26:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:26:44,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 07:26:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 07:26:44,798 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) [2022-07-21 07:26:44,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 07:26:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:26:44,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-21 07:26:44,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 07:27:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:27:09,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 07:27:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:27:17,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:27:17,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094294542] [2022-07-21 07:27:17,672 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 07:27:17,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435363953] [2022-07-21 07:27:17,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435363953] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 07:27:17,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 07:27:17,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-21 07:27:17,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125473403] [2022-07-21 07:27:17,673 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 07:27:17,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 07:27:17,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:27:17,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 07:27:17,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=210, Unknown=8, NotChecked=0, Total=272 [2022-07-21 07:27:17,674 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2022-07-21 07:27:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:27:17,836 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-07-21 07:27:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 07:27:17,837 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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 [2022-07-21 07:27:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:27:17,838 INFO L225 Difference]: With dead ends: 41 [2022-07-21 07:27:17,838 INFO L226 Difference]: Without dead ends: 35 [2022-07-21 07:27:17,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=63, Invalid=235, Unknown=8, NotChecked=0, Total=306 [2022-07-21 07:27:17,840 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 07:27:17,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 289 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-07-21 07:27:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-07-21 07:27:17,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-07-21 07:27:17,844 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) [2022-07-21 07:27:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-07-21 07:27:17,845 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 12 [2022-07-21 07:27:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:27:17,845 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-07-21 07:27:17,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2022-07-21 07:27:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-07-21 07:27:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 07:27:17,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:27:17,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 07:27:17,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 07:27:18,046 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 [2022-07-21 07:27:18,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:27:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:27:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash 20667420, now seen corresponding path program 1 times [2022-07-21 07:27:18,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:27:18,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480428397] [2022-07-21 07:27:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:27:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:27:18,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 07:27:18,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830178394] [2022-07-21 07:27:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:27:18,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 07:27:18,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 07:27:18,064 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) [2022-07-21 07:27:18,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 07:27:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 07:27:18,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-21 07:27:18,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 07:27:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:27:34,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 07:27:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:27:41,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 07:27:41,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480428397] [2022-07-21 07:27:41,335 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 07:27:41,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830178394] [2022-07-21 07:27:41,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830178394] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 07:27:41,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 07:27:41,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2022-07-21 07:27:41,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78498208] [2022-07-21 07:27:41,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 07:27:41,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-21 07:27:41,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 07:27:41,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-21 07:27:41,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=179, Unknown=8, NotChecked=0, Total=240 [2022-07-21 07:27:41,340 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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) [2022-07-21 07:27:42,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 07:27:42,050 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2022-07-21 07:27:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 07:27:42,051 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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 [2022-07-21 07:27:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 07:27:42,052 INFO L225 Difference]: With dead ends: 46 [2022-07-21 07:27:42,052 INFO L226 Difference]: Without dead ends: 37 [2022-07-21 07:27:42,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=62, Invalid=202, Unknown=8, NotChecked=0, Total=272 [2022-07-21 07:27:42,053 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 07:27:42,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 281 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 36 Unchecked, 0.2s Time] [2022-07-21 07:27:42,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-07-21 07:27:42,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2022-07-21 07:27:42,058 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) [2022-07-21 07:27:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-07-21 07:27:42,059 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 12 [2022-07-21 07:27:42,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 07:27:42,059 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-07-21 07:27:42,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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) [2022-07-21 07:27:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-07-21 07:27:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-21 07:27:42,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 07:27:42,060 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 07:27:42,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 07:27:42,265 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 [2022-07-21 07:27:42,265 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 07:27:42,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 07:27:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1518646018, now seen corresponding path program 2 times [2022-07-21 07:27:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 07:27:42,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050294915] [2022-07-21 07:27:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 07:27:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 07:27:42,273 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 07:27:42,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767003191] [2022-07-21 07:27:42,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 07:27:42,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 07:27:42,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 07:27:42,275 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) [2022-07-21 07:27:42,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 07:27:42,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 07:27:42,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 07:27:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-21 07:27:42,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 07:29:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 07:29:02,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 07:30:37,115 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 82 DAG size of output: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-21 07:31:26,446 WARN L855 $PredicateComparison]: unable to prove that (or (<= |c_ULTIMATE.start_main1_~x~0#1| 0) (let ((.cse24 (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse28 (mod (+ .cse24 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (let ((.cse26 (+ (- 256) .cse28))) (let ((.cse10 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse25 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse26) 256)) (.cse27 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse28) 256))) (let ((.cse13 (mod .cse24 256)) (.cse5 (<= .cse28 127)) (.cse20 (= .cse28 0)) (.cse21 (not (= (mod (mod .cse28 .cse27) 256) 0))) (.cse22 (<= .cse27 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse8 (<= (mod (+ .cse24 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (.cse16 (not (= (mod (mod .cse26 .cse25) 256) 0))) (.cse17 (not .cse10)) (.cse18 (<= .cse25 |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (or .cse16 .cse17 .cse18)) (.cse2 (not .cse8)) (.cse9 (or .cse20 .cse21 .cse17 .cse22)) (.cse0 (< |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse6 (not .cse5)) (.cse14 (<= .cse13 127))) (and (or (let ((.cse3 (let ((.cse11 (+ (- 256) .cse13))) (let ((.cse12 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse11) 256))) (or .cse10 (not (= 0 (mod (mod .cse11 .cse12) 256))) (<= .cse12 |c_ULTIMATE.start_main1_~x~0#1|)))))) (and (or (let ((.cse1 (and .cse3 .cse4))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse1))) .cse5) (or .cse6 (let ((.cse7 (and .cse3 .cse9))) (and (or .cse0 .cse7) (or .cse0 .cse8 .cse7)))))) .cse14) (or (let ((.cse15 (= .cse24 0))) (let ((.cse19 (let ((.cse23 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse13) 256))) (or (not (= (mod (mod .cse13 .cse23) 256) 0)) (and .cse10 (not .cse15)) (<= .cse23 |c_ULTIMATE.start_main1_~x~0#1|) (= .cse13 0))))) (and (or (and (or .cse0 (and (or .cse15 .cse16 .cse17 .cse18) .cse19)) (or (and .cse4 .cse19) .cse0 .cse8)) .cse5) (or (and (or .cse0 .cse2 (and .cse9 .cse19)) (or (and (or .cse15 .cse20 .cse21 .cse17 .cse22) .cse19) .cse0 .cse8)) .cse6)))) (not .cse14))))))))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) is different from true