./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_2_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de6f52d29ab8cbb588307c65427c40feccf3bbab41549d766ad7ad11f97b3a0b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:34,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:34,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:34,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:34,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:34,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:34,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:34,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:34,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:34,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:34,520 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:34,520 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:34,521 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:34,522 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:34,522 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:34,523 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:34,524 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:34,524 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:34,525 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:34,526 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:34,526 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:34,527 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:34,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:34,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:34,529 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:34,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:34,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:34,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:34,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:34,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:34,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:34,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:34,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:34,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:34,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:34,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:34,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:34,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:34,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:34,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:34,538 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:34,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:34,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:34,540 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:34,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:34,541 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6f52d29ab8cbb588307c65427c40feccf3bbab41549d766ad7ad11f97b3a0b [2023-11-19 04:58:34,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:34,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:35,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:35,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:35,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:35,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/combinations/gcd_2+newton_2_5.i [2023-11-19 04:58:38,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:39,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:39,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/sv-benchmarks/c/combinations/gcd_2+newton_2_5.i [2023-11-19 04:58:39,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/data/65864e755/0ea7418fe2e04d3389acbcbc875583c3/FLAG82c6e8878 [2023-11-19 04:58:39,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/data/65864e755/0ea7418fe2e04d3389acbcbc875583c3 [2023-11-19 04:58:39,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:39,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:39,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:39,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:39,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:39,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ceba78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39, skipping insertion in model container [2023-11-19 04:58:39,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:39,506 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/sv-benchmarks/c/combinations/gcd_2+newton_2_5.i[1226,1239] [2023-11-19 04:58:39,539 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/sv-benchmarks/c/combinations/gcd_2+newton_2_5.i[2841,2854] [2023-11-19 04:58:39,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:39,564 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:39,579 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/sv-benchmarks/c/combinations/gcd_2+newton_2_5.i[1226,1239] [2023-11-19 04:58:39,594 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/sv-benchmarks/c/combinations/gcd_2+newton_2_5.i[2841,2854] [2023-11-19 04:58:39,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:39,615 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:39,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39 WrapperNode [2023-11-19 04:58:39,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:39,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:39,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:39,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:39,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,667 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-11-19 04:58:39,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:39,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:39,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:39,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:39,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:39,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:39,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:39,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:39,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (1/1) ... [2023-11-19 04:58:39,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:39,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:39,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 04:58:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 04:58:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 04:58:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 04:58:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:39,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:39,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:40,144 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:40,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:40,233 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:40,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:40 BoogieIcfgContainer [2023-11-19 04:58:40,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:40,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:40,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:40,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:40,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:39" (1/3) ... [2023-11-19 04:58:40,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ffdd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:40, skipping insertion in model container [2023-11-19 04:58:40,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:39" (2/3) ... [2023-11-19 04:58:40,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ffdd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:40, skipping insertion in model container [2023-11-19 04:58:40,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:40" (3/3) ... [2023-11-19 04:58:40,253 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_2_5.i [2023-11-19 04:58:40,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:40,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:58:40,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:40,347 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e429059, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:40,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:58:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:58:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:58:40,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:40,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:58:40,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:40,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash -499021812, now seen corresponding path program 1 times [2023-11-19 04:58:40,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:40,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048512957] [2023-11-19 04:58:40,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:40,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048512957] [2023-11-19 04:58:40,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048512957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:40,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:40,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:58:40,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146706643] [2023-11-19 04:58:40,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:40,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:58:40,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:40,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:58:40,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:58:40,972 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-19 04:58:41,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:41,084 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2023-11-19 04:58:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:58:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-11-19 04:58:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:41,093 INFO L225 Difference]: With dead ends: 36 [2023-11-19 04:58:41,093 INFO L226 Difference]: Without dead ends: 21 [2023-11-19 04:58:41,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:58:41,101 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:41,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:58:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-19 04:58:41,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-19 04:58:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:58:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-19 04:58:41,164 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2023-11-19 04:58:41,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:41,165 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-19 04:58:41,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-19 04:58:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 04:58:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:58:41,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:41,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:41,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:58:41,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:41,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:41,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1643785969, now seen corresponding path program 1 times [2023-11-19 04:58:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:41,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346848008] [2023-11-19 04:58:41,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:41,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:41,193 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:58:41,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362167965] [2023-11-19 04:58:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:41,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:41,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:41,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:58:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:41,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:58:41,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:42,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:58:42,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:58:42,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346848008] [2023-11-19 04:58:42,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:58:42,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362167965] [2023-11-19 04:58:42,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362167965] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:42,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1793945807] [2023-11-19 04:58:42,162 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-19 04:58:42,163 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:58:42,166 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:58:42,172 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:58:42,172 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:58:45,469 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:58:45,856 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '150#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main1_~x~0#1| 127) (<= (+ |ULTIMATE.start_main1_~y~0#1| 1) |ULTIMATE.start_main1_~g~0#1|) (<= 1 |ULTIMATE.start_main1_~y~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ |ULTIMATE.start_main1_~x~0#1| 128)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= |ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-19 04:58:45,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 04:58:45,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:58:45,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 04:58:45,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524711085] [2023-11-19 04:58:45,859 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 04:58:45,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:58:45,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:58:45,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:58:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-19 04:58:45,863 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2023-11-19 04:58:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:46,139 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2023-11-19 04:58:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:58:46,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 7 [2023-11-19 04:58:46,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:46,141 INFO L225 Difference]: With dead ends: 28 [2023-11-19 04:58:46,142 INFO L226 Difference]: Without dead ends: 23 [2023-11-19 04:58:46,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-19 04:58:46,146 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:46,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 83 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:58:46,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-19 04:58:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-19 04:58:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:58:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-19 04:58:46,160 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 7 [2023-11-19 04:58:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:46,161 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-19 04:58:46,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2023-11-19 04:58:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-19 04:58:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:58:46,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:46,163 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:46,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:46,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:46,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:46,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1300293201, now seen corresponding path program 2 times [2023-11-19 04:58:46,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:46,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049371619] [2023-11-19 04:58:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:46,380 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:58:46,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439989188] [2023-11-19 04:58:46,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 04:58:46,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:46,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:46,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:46,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b26545-8c9d-40db-825a-3cbe33f73500/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:58:46,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 04:58:46,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 04:58:46,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:58:46,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:09,784 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 219 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 04:59:28,434 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse5 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse16 (mod .cse5 256))) (let ((.cse28 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse11 (not (= .cse16 0))) (.cse12 (<= .cse16 127)) (.cse24 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse6 (+ .cse16 (- 256))) (.cse10 (<= 128 .cse16)) (.cse29 (<= (+ |c_ULTIMATE.start_main1_~y~0#1| 1) 0)) (.cse36 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse20 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse0 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse37 (<= 0 |c_ULTIMATE.start_main1_~y~0#1|))) (or (and (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse4 (+ (mod (+ .cse5 .cse3) 256) (- 256)))) (let ((.cse1 (mod .cse4 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse0 .cse1) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse3 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse3) 256)) (not (= 0 .cse1)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse4) 256) |c_ULTIMATE.start_gcd_test_~a#1|)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse9 (+ (mod (+ .cse5 .cse8) 256) (- 256)))) (let ((.cse7 (mod .cse9 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse0 .cse7) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse8 0)) (not (= 0 .cse7)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse9) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse8) 256) 127)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse10) (and .cse11 .cse12 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse14 (+ (- 256) (mod (+ .cse15 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (let ((.cse13 (mod .cse14 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse13 .cse0) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse14) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse15 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse13 0)) (<= (mod (+ .cse15 .cse5) 256) 127)))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse18 (+ (- 256) (mod (+ .cse19 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (let ((.cse17 (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse17 .cse0) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse18) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse17 0)) (<= 128 (mod (+ .cse19 .cse5) 256))))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))))) .cse20) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse22 (+ (mod (+ .cse5 .cse23) 256) (- 256)))) (let ((.cse21 (mod .cse22 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse21) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (+ .cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse22) .cse23) 256) .cse24) (not (= .cse23 0)) (not (= 0 .cse21)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse23) 256) 127)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse26 (+ (mod (+ .cse5 .cse27) 256) (- 256)))) (let ((.cse25 (mod .cse26 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse25) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (+ .cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse26) .cse27) 256) .cse24) (not (= .cse27 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse27) 256)) (not (= 0 .cse25)))))))))) .cse28 .cse10)) .cse29) (and .cse29 .cse28 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse30 (mod .cse32 256))) (and (not (= .cse30 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse30))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse31 0)) (= .cse24 (mod (+ .cse31 (* 255 .cse32)) 256))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse30 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse32) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse33 (mod .cse35 256))) (and (not (= .cse33 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse33))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse34 0)) (= .cse24 (mod (+ .cse34 (* 255 .cse35)) 256))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse35) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) .cse10) (and (or (and .cse36 .cse37 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse38 (mod .cse39 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse38) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse38 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse38 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse39) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse40 (mod .cse41 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse40) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse41) 256)))))))))) (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse42 (mod .cse43 256))) (and (not (= .cse42 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse42) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse42 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse43) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse44 (mod .cse45 256))) (and (not (= .cse44 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse45) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse44) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse44 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) .cse10) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse46 (mod .cse47 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse46) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod (mod .cse46 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 (mod (+ .cse47 .cse5) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse48 (mod .cse49 256))) (and (not (= .cse48 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse48) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod (mod .cse48 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse49 .cse5) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse11 .cse12)) .cse29)) .cse20) (and (or (and .cse36 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse50 (mod .cse51 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse50) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse50 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse51) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse52 (+ (- 256) (mod (+ .cse5 .cse53) 256)))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse52) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse52 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse53) 256)))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse54 (+ (- 256) (mod (+ .cse5 .cse55) 256)))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse54) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse55 0)) (= (mod .cse54 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse55) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse56 (mod .cse57 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse56) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse57) 256)) (= (mod .cse56 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))))) .cse37) (and (or (and .cse11 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse59 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse58 (+ (- 256) (mod (+ .cse59 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse58) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse59 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse58 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ .cse59 .cse5) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse60 (mod .cse61 256))) (and (not (= .cse60 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse60) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse60 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse61 .cse5) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse62 (+ (- 256) (mod (+ .cse63 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse62) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse62 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ .cse63 .cse5) 256)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse65 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse64 (mod .cse65 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse64) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse64 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ .cse65 .cse5) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))))))) .cse12) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse68 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse66 (mod .cse68 256))) (and (not (= .cse66 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse66))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse67 0)) (= .cse24 (mod (+ .cse67 (* 255 .cse68)) 256))))) (= (mod .cse66 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse68) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse70 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse69 (mod .cse70 256))) (and (not (= .cse69 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse70) 256)) (= (mod .cse69 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse69) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse71 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse72 (+ (mod (+ .cse5 .cse71) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse71 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse71) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse72) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= 0 (mod .cse72 |c_ULTIMATE.start_gcd_test_~a#1|)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse73 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse74 (+ (mod (+ .cse5 .cse73) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse73 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse74) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse73) 256) 127) (= 0 (mod .cse74 |c_ULTIMATE.start_gcd_test_~a#1|)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse76 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse75 (mod .cse76 256))) (and (not (= .cse75 0)) (= (mod .cse75 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse75) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse76) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse79 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse77 (mod .cse79 256))) (and (not (= .cse77 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse78 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse77))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse78 0)) (= .cse24 (mod (+ .cse78 (* 255 .cse79)) 256))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse79) 256)) (= (mod .cse77 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse81 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse82 (+ (mod (+ .cse5 .cse81) 256) (- 256)))) (let ((.cse80 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse82))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse80 0)) (= (mod (+ .cse5 .cse80 .cse81) 256) .cse24) (not (= .cse81 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse81) 256) 127) (= 0 (mod .cse82 |c_ULTIMATE.start_gcd_test_~a#1|))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse84 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse85 (+ (mod (+ .cse5 .cse84) 256) (- 256)))) (let ((.cse83 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse85))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse83 0)) (= (mod (+ .cse5 .cse83 .cse84) 256) .cse24) (not (= .cse84 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse84) 256)) (= 0 (mod .cse85 |c_ULTIMATE.start_gcd_test_~a#1|)))))))))) .cse10)) .cse29)) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (and .cse36 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int) (|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse88 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse86 (+ (- 256) (mod (+ .cse5 .cse88) 256)))) (let ((.cse87 (mod .cse86 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse86) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse0 .cse87) 256)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (not (= .cse87 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse88) 256))))))) .cse20) (and .cse20 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int) (|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse91 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse89 (+ (- 256) (mod (+ .cse5 .cse91) 256)))) (let ((.cse90 (mod .cse89 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse89) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse0 .cse90) 256)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (not (= .cse90 0)) (not (= .cse91 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse91) 256) 127)))))))) .cse37))))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false