./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_3_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/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 e8259989f7570bf558987b7e4c2e7f61d77e5fd2d99fcc8a9ebe16670ccb62e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:18:09,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:18:09,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:18:09,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:18:09,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:18:09,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:18:09,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:18:09,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:18:09,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:18:09,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:18:09,714 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:18:09,715 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:18:09,715 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:18:09,716 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:18:09,716 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:18:09,717 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:18:09,718 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:18:09,727 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:18:09,728 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:18:09,728 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:18:09,729 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:18:09,729 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:18:09,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:18:09,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:18:09,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:18:09,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:18:09,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:18:09,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:18:09,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:18:09,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:18:09,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:18:09,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:18:09,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:18:09,735 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:18:09,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:18:09,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:18:09,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:09,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:18:09,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:18:09,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:18:09,739 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:18:09,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:18:09,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:18:09,741 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:18:09,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:18:09,742 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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8259989f7570bf558987b7e4c2e7f61d77e5fd2d99fcc8a9ebe16670ccb62e9 [2023-11-19 04:18:10,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:18:10,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:18:10,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:18:10,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:18:10,047 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:18:10,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/combinations/gcd_2+newton_3_4.i [2023-11-19 04:18:13,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:18:13,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:18:13,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/sv-benchmarks/c/combinations/gcd_2+newton_3_4.i [2023-11-19 04:18:13,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/data/e74c62b97/70e202af96cd40f08479d0346622f006/FLAG076f32bc2 [2023-11-19 04:18:13,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/data/e74c62b97/70e202af96cd40f08479d0346622f006 [2023-11-19 04:18:13,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:18:13,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:18:13,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:13,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:18:13,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:18:13,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343b6e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13, skipping insertion in model container [2023-11-19 04:18:13,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:18:13,553 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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/sv-benchmarks/c/combinations/gcd_2+newton_3_4.i[1226,1239] [2023-11-19 04:18:13,583 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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/sv-benchmarks/c/combinations/gcd_2+newton_3_4.i[2862,2875] [2023-11-19 04:18:13,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:13,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:18:13,613 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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/sv-benchmarks/c/combinations/gcd_2+newton_3_4.i[1226,1239] [2023-11-19 04:18:13,626 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_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/sv-benchmarks/c/combinations/gcd_2+newton_3_4.i[2862,2875] [2023-11-19 04:18:13,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:13,656 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:18:13,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13 WrapperNode [2023-11-19 04:18:13,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:13,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:13,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:18:13,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:18:13,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,726 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-11-19 04:18:13,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:13,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:18:13,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:18:13,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:18:13,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:18:13,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:18:13,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:18:13,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:18:13,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (1/1) ... [2023-11-19 04:18:13,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:13,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:18:13,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:18:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:18:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 04:18:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 04:18:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 04:18:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 04:18:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:18:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:18:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:18:13,963 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:18:13,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:18:14,227 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:18:14,324 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:18:14,337 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:18:14,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:14 BoogieIcfgContainer [2023-11-19 04:18:14,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:18:14,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:18:14,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:18:14,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:18:14,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:13" (1/3) ... [2023-11-19 04:18:14,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a1b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:14, skipping insertion in model container [2023-11-19 04:18:14,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:13" (2/3) ... [2023-11-19 04:18:14,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3a1b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:14, skipping insertion in model container [2023-11-19 04:18:14,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:14" (3/3) ... [2023-11-19 04:18:14,362 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_3_4.i [2023-11-19 04:18:14,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:18:14,385 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:18:14,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:18:14,452 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;@27f01c40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:18:14,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:18:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 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) [2023-11-19 04:18:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:18:14,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:14,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:18:14,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:14,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:14,472 INFO L85 PathProgramCache]: Analyzing trace with hash -291944571, now seen corresponding path program 1 times [2023-11-19 04:18:14,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:14,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806754710] [2023-11-19 04:18:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:14,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:14,850 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 04:18:14,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:18:14,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806754710] [2023-11-19 04:18:14,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806754710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:14,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:14,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:18:14,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729626033] [2023-11-19 04:18:14,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:14,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:18:14,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:18:14,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:18:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:18:14,891 INFO L87 Difference]: Start difference. First operand has 28 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 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 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 04:18:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:15,068 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-11-19 04:18:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:18:15,071 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 04:18:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:15,078 INFO L225 Difference]: With dead ends: 39 [2023-11-19 04:18:15,078 INFO L226 Difference]: Without dead ends: 24 [2023-11-19 04:18:15,081 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 04:18:15,085 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:15,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:18:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-19 04:18:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-19 04:18:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 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) [2023-11-19 04:18:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-19 04:18:15,128 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 6 [2023-11-19 04:18:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:15,129 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-19 04:18:15,129 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 04:18:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-19 04:18:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:18:15,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:15,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:18:15,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:18:15,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:15,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:15,133 INFO L85 PathProgramCache]: Analyzing trace with hash -533010262, now seen corresponding path program 1 times [2023-11-19 04:18:15,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:15,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913611240] [2023-11-19 04:18:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:15,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:15,171 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:18:15,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625847400] [2023-11-19 04:18:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:15,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:15,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:15,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:18:15,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:18:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:15,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:18:15,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:15,783 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 04:18:15,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:18:15,869 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 04:18:15,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:18:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913611240] [2023-11-19 04:18:15,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:18:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625847400] [2023-11-19 04:18:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625847400] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:18:15,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1127509043] [2023-11-19 04:18:15,891 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-19 04:18:15,891 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:18:15,894 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:18:15,900 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:18:15,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:18:18,982 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:18:19,298 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '163#(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 04:18:19,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 04:18:19,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:18:19,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 04:18:19,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636054929] [2023-11-19 04:18:19,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 04:18:19,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:18:19,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:18:19,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:18:19,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-19 04:18:19,302 INFO L87 Difference]: Start difference. First operand 24 states and 28 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 04:18:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:19,475 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-19 04:18:19,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:18:19,475 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 04:18:19,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:19,476 INFO L225 Difference]: With dead ends: 31 [2023-11-19 04:18:19,477 INFO L226 Difference]: Without dead ends: 26 [2023-11-19 04:18:19,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-19 04:18:19,479 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:19,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 132 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:18:19,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-19 04:18:19,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-19 04:18:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 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) [2023-11-19 04:18:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2023-11-19 04:18:19,488 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 7 [2023-11-19 04:18:19,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:19,489 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-19 04:18:19,489 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 04:18:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-19 04:18:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:18:19,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:19,490 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2023-11-19 04:18:19,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:18:19,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:19,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:19,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:19,705 INFO L85 PathProgramCache]: Analyzing trace with hash 847992842, now seen corresponding path program 2 times [2023-11-19 04:18:19,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:19,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718567703] [2023-11-19 04:18:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:19,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:19,718 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:18:19,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676712160] [2023-11-19 04:18:19,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 04:18:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:19,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:18:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118ec07-72b9-4f85-bd86-48f6e1dc7d78/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:18:19,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 04:18:19,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 04:18:19,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:18:19,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:41,027 WARN L293 SmtUtils]: Spent 7.02s 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 04:19:02,258 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 [2023-11-19 04:19:08,690 WARN L854 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main1_~g~0#1| 0)) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| 127) (let ((.cse6 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse16 (mod .cse6 256))) (let ((.cse13 (+ 256 |c_ULTIMATE.start_main1_~g~0#1|)) (.cse17 (+ .cse16 (- 256))) (.cse21 (<= 128 .cse16)) (.cse30 (not (= .cse16 0))) (.cse31 (<= .cse16 127)) (.cse11 (<= (+ |c_ULTIMATE.start_main1_~y~0#1| 1) 0)) (.cse0 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse1 (<= 0 |c_ULTIMATE.start_main1_~y~0#1|))) (or (and .cse0 .cse1 (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 ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse2 (mod .cse3 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse2) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse2 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse3) 256)))))))) (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 ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse4 (+ (- 256) (mod (+ .cse6 .cse5) 256)))) (and (= (mod .cse4 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse5) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse4) 256) |c_ULTIMATE.start_main1_~g~0#1|))))))) (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| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse7 (+ (- 256) (mod (+ .cse6 .cse8) 256)))) (and (= (mod .cse7 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse8 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse7) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse8) 256) 127))))) (<= |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 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse9 (mod .cse10 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse9) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse9 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse9 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse10) 256) 127))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))))) (and (<= (+ |c_ULTIMATE.start_main1_~g~0#1| 1) 0) .cse11 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse12 (mod .cse15 256))) (and (not (= .cse12 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse12))) (and (= .cse13 (mod (+ .cse14 (* 255 .cse15)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse14 0))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse15) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod .cse12 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse20 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse18 (mod .cse20 256))) (and (not (= .cse18 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse18))) (and (= .cse13 (mod (+ .cse19 (* 255 .cse20)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse19 0))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse20) 256) 127) (= (mod (mod .cse18 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0)))))) .cse21) (and .cse11 (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 ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse22 (mod .cse23 256))) (and (= (mod .cse22 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ .cse23 .cse6) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse22) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= .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 ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse25 (+ (- 256) (mod (+ .cse24 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (not (= .cse24 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse25) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse25 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (mod (+ .cse24 .cse6) 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 ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse26 (mod .cse27 256))) (and (not (= .cse26 0)) (= (mod .cse26 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse26) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ .cse27 .cse6) 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 ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse28 (+ (- 256) (mod (+ .cse29 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse28) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse28 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ .cse29 .cse6) 256)))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse30 .cse31) (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 ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse33 (+ (mod (+ .cse6 .cse34) 256) (- 256)))) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse33))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse32 0)) (= (mod .cse33 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse34 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse34) 256)) (= (mod (+ .cse6 .cse32 .cse34) 256) .cse13)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse35 (mod .cse37 256))) (and (not (= .cse35 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse35))) (and (= .cse13 (mod (+ .cse36 (* 255 .cse37)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse36 0))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse35 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse37) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse38 (+ (mod (+ .cse6 .cse39) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse38 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse39 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse39) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse38) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= 0 |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| .cse17))) (let ((.cse40 (mod .cse41 256))) (and (not (= .cse40 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse40 |c_ULTIMATE.start_main1_~g~0#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse40) 256)))) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse41) 256) 127))))) (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 ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse42 (+ (mod (+ .cse6 .cse43) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse42 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse43 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse43) 256) 127) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse42) 256) |c_ULTIMATE.start_main1_~g~0#1|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse44 (mod .cse46 256))) (and (not (= .cse44 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse44))) (and (= .cse13 (mod (+ .cse45 (* 255 .cse46)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse45 0))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse46) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse44 |c_ULTIMATE.start_main1_~g~0#1|) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse48 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse47 (mod .cse48 256))) (and (not (= .cse47 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse48) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse47 |c_ULTIMATE.start_main1_~g~0#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse47) 256)))))))) (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 ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse50 (+ (mod (+ .cse6 .cse51) 256) (- 256)))) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse50))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse49 0)) (= (mod .cse50 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse51 0)) (= (mod (+ .cse6 .cse49 .cse51) 256) .cse13) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse51) 256) 127))))))))) .cse21))) (and (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse52 (mod .cse53 256))) (and (not (= .cse52 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse53) 256)) (<= 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|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse52) 256)))) (= (mod (mod .cse52 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse54 (mod .cse55 256))) (and (not (= .cse54 0)) (<= 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|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse54) 256)))) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse55) 256) 127) (= (mod (mod .cse54 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0)))))) .cse21) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse56 (mod .cse57 256))) (and (= (mod (mod .cse56 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= 128 (mod (+ .cse57 .cse6) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse56) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= .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 ((.cse59 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse58 (mod .cse59 256))) (and (not (= .cse58 0)) (= (mod (mod .cse58 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse58) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ .cse59 .cse6) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse30 .cse31)) .cse11) (and .cse0 (or (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| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse60 (mod .cse61 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse60) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (= .cse60 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod .cse60 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse61) 256) 127))))) (<= |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 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse62 (mod .cse63 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse62) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse63) 256)) (= (mod (mod .cse62 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse1)) (<= 0 |c_ULTIMATE.start_main1_~g~0#1|))))))) is different from false [2023-11-19 04:19:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 2 times theorem prover too weak. 0 trivial. 3 not checked. [2023-11-19 04:19:11,313 INFO L327 TraceCheckSpWp]: Computing backward predicates...