./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh --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 cefb3bae89bbacb2fe493d14201bba1802fb381afd861fd412b13151077489a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:37:30,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:37:30,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:37:30,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:37:30,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:37:30,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:37:30,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:37:30,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:37:30,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:37:30,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:37:30,498 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:37:30,498 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:37:30,499 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:37:30,499 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:37:30,500 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:37:30,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:37:30,501 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:37:30,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:37:30,502 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:37:30,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:37:30,503 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:37:30,504 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:37:30,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:37:30,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:37:30,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:37:30,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:37:30,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:37:30,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:37:30,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:37:30,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:37:30,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:37:30,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:37:30,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:37:30,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:37:30,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:37:30,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:37:30,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:37:30,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:37:30,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:37:30,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:37:30,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:37:30,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:37:30,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:37:30,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:37:30,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:37:30,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:37:30,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:37:30,517 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_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cefb3bae89bbacb2fe493d14201bba1802fb381afd861fd412b13151077489a8 [2023-12-02 13:37:30,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:37:30,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:37:30,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:37:30,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:37:30,738 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:37:30,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/combinations/gcd_3+newton_3_6.i [2023-12-02 13:37:33,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:37:33,668 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:37:33,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/sv-benchmarks/c/combinations/gcd_3+newton_3_6.i [2023-12-02 13:37:33,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/data/412e58017/738d62f34099420c97b058bab017e8ce/FLAGbe98ed6f0 [2023-12-02 13:37:33,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/data/412e58017/738d62f34099420c97b058bab017e8ce [2023-12-02 13:37:33,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:37:33,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:37:33,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:37:33,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:37:33,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:37:33,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:33,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568e767a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33, skipping insertion in model container [2023-12-02 13:37:33,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:33,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:37:33,881 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_3f85bae9-b7af-4467-a968-9c4c661417f2/sv-benchmarks/c/combinations/gcd_3+newton_3_6.i[1226,1239] [2023-12-02 13:37:33,904 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_3f85bae9-b7af-4467-a968-9c4c661417f2/sv-benchmarks/c/combinations/gcd_3+newton_3_6.i[2862,2875] [2023-12-02 13:37:33,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:37:33,915 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:37:33,929 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_3f85bae9-b7af-4467-a968-9c4c661417f2/sv-benchmarks/c/combinations/gcd_3+newton_3_6.i[1226,1239] [2023-12-02 13:37:33,941 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_3f85bae9-b7af-4467-a968-9c4c661417f2/sv-benchmarks/c/combinations/gcd_3+newton_3_6.i[2862,2875] [2023-12-02 13:37:33,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:37:33,957 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:37:33,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33 WrapperNode [2023-12-02 13:37:33,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:37:33,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:37:33,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:37:33,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:37:33,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:33,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:33,997 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-12-02 13:37:33,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:37:33,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:37:33,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:37:33,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:37:34,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:37:34,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:37:34,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:37:34,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:37:34,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (1/1) ... [2023-12-02 13:37:34,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:37:34,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:37:34,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:37:34,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:37:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:37:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 13:37:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 13:37:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 13:37:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 13:37:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:37:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:37:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:37:34,174 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:37:34,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:37:34,329 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:37:34,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:37:34,393 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:37:34,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:37:34 BoogieIcfgContainer [2023-12-02 13:37:34,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:37:34,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:37:34,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:37:34,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:37:34,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:37:33" (1/3) ... [2023-12-02 13:37:34,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3e4656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:37:34, skipping insertion in model container [2023-12-02 13:37:34,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:37:33" (2/3) ... [2023-12-02 13:37:34,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3e4656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:37:34, skipping insertion in model container [2023-12-02 13:37:34,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:37:34" (3/3) ... [2023-12-02 13:37:34,406 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3+newton_3_6.i [2023-12-02 13:37:34,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:37:34,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 13:37:34,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:37:34,470 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;@7743f669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:37:34,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 13:37:34,474 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) [2023-12-02 13:37:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 13:37:34,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:37:34,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 13:37:34,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:37:34,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:37:34,487 INFO L85 PathProgramCache]: Analyzing trace with hash -377832024, now seen corresponding path program 1 times [2023-12-02 13:37:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:37:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334574859] [2023-12-02 13:37:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:37:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:37:34,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:37:34,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334574859] [2023-12-02 13:37:34,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334574859] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:37:34,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:37:34,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:37:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353076096] [2023-12-02 13:37:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:37:34,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:37:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:37:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:37:34,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:37:34,922 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2023-12-02 13:37:35,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:37:35,020 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2023-12-02 13:37:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:37:35,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 [2023-12-02 13:37:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:37:35,030 INFO L225 Difference]: With dead ends: 40 [2023-12-02 13:37:35,030 INFO L226 Difference]: Without dead ends: 24 [2023-12-02 13:37:35,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:37:35,037 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:37:35,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 83 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:37:35,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-02 13:37:35,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-12-02 13:37:35,076 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) [2023-12-02 13:37:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-12-02 13:37:35,078 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 6 [2023-12-02 13:37:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:37:35,079 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-12-02 13:37:35,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2023-12-02 13:37:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-02 13:37:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 13:37:35,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:37:35,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:37:35,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:37:35,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:37:35,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:37:35,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1099445991, now seen corresponding path program 1 times [2023-12-02 13:37:35,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:37:35,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665725207] [2023-12-02 13:37:35,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:35,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:37:35,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:37:35,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944262592] [2023-12-02 13:37:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:35,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:37:35,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:37:35,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:37:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:37:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:35,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 13:37:35,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:37:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:37:42,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:37:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:37:46,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:37:46,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665725207] [2023-12-02 13:37:46,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:37:46,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944262592] [2023-12-02 13:37:46,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944262592] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:37:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1010203110] [2023-12-02 13:37:46,849 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-12-02 13:37:46,850 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:37:46,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:37:46,858 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:37:46,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:37:47,610 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:37:53,906 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '168#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 1 |ULTIMATE.start_main1_~x~0#1|) (<= (+ |ULTIMATE.start_main1_~x~0#1| 1) |ULTIMATE.start_main1_~g~0#1|) (<= |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) (<= |ULTIMATE.start_main1_~y~0#1| 127) (<= 0 (+ |ULTIMATE.start_main1_~y~0#1| 128)))' at error location [2023-12-02 13:37:53,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:37:53,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:37:53,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-02 13:37:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377850501] [2023-12-02 13:37:53,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 13:37:53,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 13:37:53,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:37:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 13:37:53,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=173, Unknown=2, NotChecked=0, Total=210 [2023-12-02 13:37:53,909 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:37:59,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-12-02 13:38:04,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:38:04,405 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2023-12-02 13:38:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 13:38:04,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 13:38:04,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:38:04,407 INFO L225 Difference]: With dead ends: 33 [2023-12-02 13:38:04,407 INFO L226 Difference]: Without dead ends: 27 [2023-12-02 13:38:04,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=52, Invalid=250, Unknown=4, NotChecked=0, Total=306 [2023-12-02 13:38:04,409 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:38:04,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 13:38:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-12-02 13:38:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-12-02 13:38:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 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) [2023-12-02 13:38:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-12-02 13:38:04,419 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 7 [2023-12-02 13:38:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:38:04,419 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-12-02 13:38:04,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:38:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-12-02 13:38:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 13:38:04,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:38:04,420 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2023-12-02 13:38:04,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:38:04,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:04,621 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:38:04,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:38:04,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1034851688, now seen corresponding path program 2 times [2023-12-02 13:38:04,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:38:04,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385222499] [2023-12-02 13:38:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:38:04,630 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:38:04,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479801978] [2023-12-02 13:38:04,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:38:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:04,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:38:04,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:38:04,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f85bae9-b7af-4467-a968-9c4c661417f2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:38:04,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 13:38:04,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:38:04,834 WARN L260 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 13:38:04,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:38:17,455 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse7 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse12 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse0 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse5 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse6 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse1 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse8 (<= 128 .cse7)) (.cse9 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse11 (+ .cse7 (- 256))) (.cse3 (<= .cse7 127)) (.cse2 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_32| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|))) .cse1) (and .cse2 .cse3 .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse4 .cse5) 256) .cse6) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse4 0)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse4) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))) (and .cse2 (or (and .cse3 .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_32| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|)))) (and .cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse10 (mod .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (not (= |v_ULTIMATE.start_gcd_test_~a#1_32| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= .cse9 (mod (+ .cse10 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (not (= .cse10 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|)))) .cse12))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse13 .cse5) 256) .cse6) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse13) 256)) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) |c_ULTIMATE.start_gcd_test_~a#1|)))) .cse0 .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse14 .cse5) 256) .cse6) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse14 0)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse14) 256) 127) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) |c_ULTIMATE.start_gcd_test_~a#1|)))) .cse0 .cse1) (and .cse2 (or (and .cse8 .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse15 .cse5) 256) 127) (not (= .cse15 0)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse15) 256) .cse6) (= .cse9 (mod (+ (mod .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|) |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))) (and .cse8 .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse16 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse17 (mod .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse16) 256) .cse6) (<= 128 (mod (+ .cse16 .cse5) 256)) (not (= .cse17 0)) (= .cse9 (mod (+ .cse17 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))) (and .cse3 .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse18 .cse5) 256) .cse6) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse18) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) |c_ULTIMATE.start_gcd_test_~a#1|))) .cse1) (and (or (and .cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse19 (mod .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (not (= .cse19 0)) (= .cse9 (mod (+ .cse19 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))) (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))) .cse2)) (= |c_ULTIMATE.start_gcd_test_~b#1| 0))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2023-12-02 13:38:44,337 WARN L854 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0)) (let ((.cse6 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse11 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse1 (<= .cse6 127)) (.cse21 (<= 128 .cse6)) (.cse48 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse18 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse20 (+ .cse6 (- 256))) (.cse0 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0))) (or (and (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0) (let ((.cse2 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256))) (or (and .cse0 .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse4 (mod .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse5 (mod .cse4 256))) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse5))) (and (= .cse2 (mod (+ .cse3 (* 255 .cse4)) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse5 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse5 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 128 (mod (+ .cse3 .cse4) 256)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse8 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse10 (mod .cse8 256))) (let ((.cse9 (mod .cse10 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse10))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse7 (* 255 .cse8)) 256)) (= (mod .cse9 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse9) 256)) (not (= .cse7 0)) (<= (mod (+ .cse7 .cse8) 256) 127)))))) .cse11) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse13 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse14 (mod .cse13 256))) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse14))) (and (<= 128 (mod (+ .cse12 .cse13) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse12 (* 255 .cse13)) 256)) (not (= .cse14 0)) (= (mod (mod .cse14 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|)))))) .cse11) (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse16 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse19 (+ (- 256) (mod (+ .cse16 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse19)) (.cse15 (mod .cse19 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse15 0)) (<= 128 (mod (+ (* 255 .cse16) .cse17 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)) (= .cse2 (mod (+ .cse16 .cse17 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (= .cse18 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse15) 256))))))) .cse21) (and .cse21 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse22 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse25 (+ (- 256) (mod (+ .cse22 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse25)) (.cse24 (mod .cse25 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (mod (+ (* 255 .cse22) .cse23 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse24 0)) (= .cse2 (mod (+ .cse22 .cse23 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (= .cse18 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse24) 256)))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse27 (mod .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse29 (mod .cse27 256))) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse29)) (.cse28 (mod .cse29 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse26 (* 255 .cse27)) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse26 .cse27) 256) 127) (not (= .cse26 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse28 256)) (<= 128 (mod (+ .cse28 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) .cse0 .cse1) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse31 (mod .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse32 (mod .cse31 256))) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse32))) (and (= .cse2 (mod (+ .cse30 (* 255 .cse31)) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse30 .cse31) 256) 127) (not (= .cse30 0)) (= (mod .cse32 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))) .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse35 (mod .cse34 256))) (let ((.cse33 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse35))) (and (<= 128 (mod (+ .cse33 .cse34) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse33 (* 255 .cse34)) 256)) (not (= .cse35 0)) (= (mod .cse35 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))) .cse11) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse37 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse38 (mod .cse37 256))) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse38))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse36 (* 255 .cse37)) 256)) (not (= .cse36 0)) (<= (mod (+ .cse36 .cse37) 256) 127) (= (mod .cse38 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))) .cse11) (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse40 (mod .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse41 (mod .cse40 256))) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse41))) (and (= .cse2 (mod (+ .cse39 (* 255 .cse40)) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse41 0)) (<= 128 (mod (+ .cse39 .cse40) 256)) (= (mod .cse41 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))) .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse43 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse44 (+ (- 256) (mod (+ .cse43 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse44))) (and (not (= .cse42 0)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (mod (+ (* 255 .cse43) .cse42 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse44 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse43 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))))))) .cse21) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse45 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse47 (+ (- 256) (mod (+ .cse45 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse47))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ (* 255 .cse45) .cse46 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)) (= (mod .cse47 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse45 .cse46 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (not (= .cse45 0))))))) .cse21)))) (<= 128 (mod |c_ULTIMATE.start_gcd_test_~a#1| 256)) .cse48)))) (and (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse49 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (and (not (= .cse49 0)) (= (mod (mod .cse49 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse49) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))) .cse11) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse50 (mod (mod .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse50) 256)) (not (= .cse50 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))) .cse1) (and .cse21 (let ((.cse52 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse51 (+ (- 256) (mod (+ (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse51) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse51 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))) .cse48 (<= 128 (mod .cse52 256))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse53 (+ (- 256) (mod (+ (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (let ((.cse54 (mod .cse53 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse53) 256)) (not (= .cse54 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse18 (mod (+ .cse52 .cse54) 256)))))))))) .cse0))))))) is different from false [2023-12-02 13:39:30,846 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse47 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse8 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse5 (+ .cse47 (- 256))) (.cse6 (<= 128 .cse47)) (.cse16 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse9 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse11 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse7 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse53 (<= .cse47 127)) (.cse22 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse21 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse4 (+ (- 256) (mod (+ (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse4))) (let ((.cse0 (mod .cse3 256))) (let ((.cse1 (mod .cse4 .cse0))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse0 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (not (= .cse1 0)) (= .cse2 (mod (+ .cse1 (* .cse3 255)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (not (= .cse0 0)))))))) .cse6 .cse7 .cse8) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse12 (mod .cse15 256))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse12))) (let ((.cse13 (+ (- 256) (mod (+ .cse14 (* 255 .cse15)) 256)))) (let ((.cse10 (mod .cse13 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse10 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse12 .cse13) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse14 .cse15) 256) 127) (not (= .cse10 0))))))))) (and .cse16 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse20 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse17 (mod .cse20 256))) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse18 (+ (- 256) (mod (+ .cse19 (* 255 .cse20)) 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse17 .cse18) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse19 .cse20) 256) 127) (= (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))))) .cse21 .cse22) (and .cse7 .cse8 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse26 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse24 (+ (- 256) (mod (+ .cse26 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse24))) (let ((.cse25 (+ (mod (+ .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse23 (mod .cse25 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse23 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse23) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse24 .cse25) .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ (* 255 .cse26) .cse27 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256))))))))) .cse6) (and .cse16 (or (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse30 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse32 (+ (- 256) (mod (+ .cse30 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse32))) (let ((.cse28 (+ (mod (+ .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse29 (mod .cse32 .cse28))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse28 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse29 .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse30) .cse31 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse29 0)))))))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse35 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse37 (+ (- 256) (mod (+ .cse35 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse37))) (let ((.cse33 (+ (mod (+ .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse34 (mod .cse37 .cse33))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse34 .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse34 0)) (<= 128 (mod (+ (* 255 .cse35) .cse36 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse39 (+ (- 256) (mod (+ .cse41 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse39))) (let ((.cse40 (+ (mod (+ .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse38 (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse38 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse38) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse39 .cse40) .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse41) .cse42 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0)))))))) .cse6))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse46 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse44 (mod .cse46 256))) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse44))) (let ((.cse43 (+ (mod (+ .cse45 (* 255 .cse46)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse44 .cse43) 256)) (<= 128 (mod (+ .cse45 .cse46) 256)))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse52 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse49 (mod .cse52 256))) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse49))) (let ((.cse50 (+ (mod (+ .cse51 (* 255 .cse52)) 256) (- 256)))) (let ((.cse48 (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse48 0)) (= .cse9 (mod (+ .cse11 .cse48) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse49 .cse50) 256)) (<= 128 (mod (+ .cse51 .cse52) 256)))))))))) .cse7 .cse53 .cse21) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse57 (mod .cse55 256))) (let ((.cse54 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse57))) (let ((.cse58 (+ (mod (+ .cse54 (* 255 .cse55)) 256) (- 256)))) (let ((.cse56 (mod .cse58 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse54 .cse55) 256) 127) (not (= .cse56 0)) (= .cse9 (mod (+ .cse11 .cse56) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse57 .cse58) 256))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse62 (mod .cse61 256))) (let ((.cse60 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse62))) (let ((.cse59 (+ (mod (+ .cse60 (* 255 .cse61)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse59 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse60 .cse61) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse62 .cse59) 256)))))))) .cse16)) .cse7 .cse53 .cse21) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse64 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse65 (mod .cse64 256))) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse65))) (let ((.cse66 (+ (- 256) (mod (+ .cse63 (* 255 .cse64)) 256)))) (and (<= 128 (mod (+ .cse63 .cse64) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse65 .cse66) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse66 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse68 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse70 (mod .cse68 256))) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse70))) (let ((.cse71 (+ (- 256) (mod (+ .cse67 (* 255 .cse68)) 256)))) (let ((.cse69 (mod .cse71 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ .cse67 .cse68) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse69 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse70 .cse71) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse69 0)))))))))) .cse21 .cse22) (and (or (and .cse7 .cse53 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse72 (mod (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse73 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse72) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse72 .cse73) 256)) (not (= .cse73 0)) (= (mod (mod .cse73 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse75 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse74 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse75) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse74 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= (mod (mod .cse75 .cse74) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse74 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) .cse22)) .cse21)))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2023-12-02 13:39:32,885 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse47 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse8 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse5 (+ .cse47 (- 256))) (.cse6 (<= 128 .cse47)) (.cse16 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse9 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse11 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse7 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse53 (<= .cse47 127)) (.cse22 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse21 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse4 (+ (- 256) (mod (+ (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse4))) (let ((.cse0 (mod .cse3 256))) (let ((.cse1 (mod .cse4 .cse0))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse0 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (not (= .cse1 0)) (= .cse2 (mod (+ .cse1 (* .cse3 255)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (not (= .cse0 0)))))))) .cse6 .cse7 .cse8) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse12 (mod .cse15 256))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse12))) (let ((.cse13 (+ (- 256) (mod (+ .cse14 (* 255 .cse15)) 256)))) (let ((.cse10 (mod .cse13 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse10 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse12 .cse13) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse14 .cse15) 256) 127) (not (= .cse10 0))))))))) (and .cse16 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse20 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse17 (mod .cse20 256))) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse18 (+ (- 256) (mod (+ .cse19 (* 255 .cse20)) 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse17 .cse18) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse19 .cse20) 256) 127) (= (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))))) .cse21 .cse22) (and .cse7 .cse8 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse26 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse24 (+ (- 256) (mod (+ .cse26 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse24))) (let ((.cse25 (+ (mod (+ .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse23 (mod .cse25 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse23 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse23) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse24 .cse25) .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ (* 255 .cse26) .cse27 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256))))))))) .cse6) (and .cse16 (or (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse30 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse32 (+ (- 256) (mod (+ .cse30 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse32))) (let ((.cse28 (+ (mod (+ .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse29 (mod .cse32 .cse28))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse28 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse29 .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse30) .cse31 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse29 0)))))))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse35 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse37 (+ (- 256) (mod (+ .cse35 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse37))) (let ((.cse33 (+ (mod (+ .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse34 (mod .cse37 .cse33))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse34 .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse34 0)) (<= 128 (mod (+ (* 255 .cse35) .cse36 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse39 (+ (- 256) (mod (+ .cse41 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse39))) (let ((.cse40 (+ (mod (+ .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse38 (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse38 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse38) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse39 .cse40) .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse41) .cse42 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0)))))))) .cse6))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse46 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse44 (mod .cse46 256))) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse44))) (let ((.cse43 (+ (mod (+ .cse45 (* 255 .cse46)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse44 .cse43) 256)) (<= 128 (mod (+ .cse45 .cse46) 256)))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse52 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse49 (mod .cse52 256))) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse49))) (let ((.cse50 (+ (mod (+ .cse51 (* 255 .cse52)) 256) (- 256)))) (let ((.cse48 (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse48 0)) (= .cse9 (mod (+ .cse11 .cse48) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse49 .cse50) 256)) (<= 128 (mod (+ .cse51 .cse52) 256)))))))))) .cse7 .cse53 .cse21) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse57 (mod .cse55 256))) (let ((.cse54 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse57))) (let ((.cse58 (+ (mod (+ .cse54 (* 255 .cse55)) 256) (- 256)))) (let ((.cse56 (mod .cse58 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse54 .cse55) 256) 127) (not (= .cse56 0)) (= .cse9 (mod (+ .cse11 .cse56) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse57 .cse58) 256))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse62 (mod .cse61 256))) (let ((.cse60 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse62))) (let ((.cse59 (+ (mod (+ .cse60 (* 255 .cse61)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse59 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse60 .cse61) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse62 .cse59) 256)))))))) .cse16)) .cse7 .cse53 .cse21) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse64 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse65 (mod .cse64 256))) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse65))) (let ((.cse66 (+ (- 256) (mod (+ .cse63 (* 255 .cse64)) 256)))) (and (<= 128 (mod (+ .cse63 .cse64) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse65 .cse66) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse66 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse68 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse70 (mod .cse68 256))) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse70))) (let ((.cse71 (+ (- 256) (mod (+ .cse67 (* 255 .cse68)) 256)))) (let ((.cse69 (mod .cse71 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ .cse67 .cse68) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse69 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse70 .cse71) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse69 0)))))))))) .cse21 .cse22) (and (or (and .cse7 .cse53 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse72 (mod (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse73 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse72) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse72 .cse73) 256)) (not (= .cse73 0)) (= (mod (mod .cse73 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse75 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse74 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse75) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse74 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= (mod (mod .cse75 .cse74) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse74 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) .cse22)) .cse21)))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from true [2023-12-02 13:39:51,771 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse20 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse17 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse0 (<= (+ |c_ULTIMATE.start_main1_~g~0#1| 1) 0)) (.cse7 (+ 256 |c_ULTIMATE.start_main1_~g~0#1|)) (.cse9 (+ .cse20 (- 256))) (.cse2 (<= 128 .cse20)) (.cse1 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse21 (<= .cse20 127)) (.cse22 (<= 0 |c_ULTIMATE.start_main1_~g~0#1|))) (or (and .cse0 .cse1 (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse5 (mod .cse9 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse8 (+ (- 256) (mod (+ .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse6 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse8))) (let ((.cse4 (+ (mod (+ .cse5 .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse3 (mod .cse8 .cse4))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse3 0)) (= (mod .cse4 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ (* 255 .cse5) .cse6 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)) (= .cse7 (mod (+ .cse3 .cse5 .cse6 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse10 (mod .cse9 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse14 (+ (- 256) (mod (+ .cse10 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse14))) (let ((.cse13 (+ (mod (+ .cse10 .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse12 (mod .cse14 .cse13))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (mod (+ (* 255 .cse10) .cse11 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse12 0)) (= (mod .cse13 |c_ULTIMATE.start_main1_~g~0#1|) 0) (= .cse7 (mod (+ .cse12 .cse10 .cse11 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))))))))))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse16 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse15) 256))) (and (= (mod (mod .cse15 .cse16) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (not (= .cse16 0)) (= (mod (mod .cse16 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) .cse17) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse18 (mod (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse19 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse18) 256))) (and (= (mod (mod .cse18 .cse19) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (= .cse19 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod .cse19 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) .cse21)) .cse22) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse26 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse23 (mod .cse26 256))) (let ((.cse25 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse23))) (let ((.cse24 (+ (- 256) (mod (+ .cse25 (* 255 .cse26)) 256)))) (and (= (mod (mod .cse23 .cse24) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= 0 (mod .cse24 |c_ULTIMATE.start_main1_~g~0#1|)) (<= (mod (+ .cse25 .cse26) 256) 127))))))) .cse22 .cse17) (and .cse1 .cse21 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse30 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse27 (mod .cse30 256))) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse27))) (let ((.cse28 (+ (mod (+ .cse29 (* 255 .cse30)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod .cse27 .cse28) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse29 .cse30) 256) 127) (= (mod .cse28 |c_ULTIMATE.start_main1_~g~0#1|) 0))))))) .cse22) (and .cse22 .cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse31 (mod .cse34 256))) (let ((.cse33 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse31))) (let ((.cse32 (+ (- 256) (mod (+ .cse33 (* 255 .cse34)) 256)))) (and (= (mod (mod .cse31 .cse32) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= 128 (mod (+ .cse33 .cse34) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= 0 (mod .cse32 |c_ULTIMATE.start_main1_~g~0#1|))))))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse38 (+ (- 256) (mod (+ (mod .cse9 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse38))) (let ((.cse35 (mod .cse37 256))) (let ((.cse36 (mod .cse38 .cse35))) (and (= (mod (mod .cse35 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (not (= .cse36 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse7 (mod (+ .cse36 (* .cse37 255)) 256)) (not (= .cse35 0)))))))) .cse2 .cse1) (and .cse1 .cse21 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse42 (mod .cse20 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse39 (mod .cse42 256))) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse39))) (let ((.cse40 (+ (mod (+ .cse41 (* 255 .cse42)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod .cse39 .cse40) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse40 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ .cse41 .cse42) 256)))))))) .cse22)))) (not (= |c_ULTIMATE.start_main1_~g~0#1| 0)) (<= |c_ULTIMATE.start_main1_~g~0#1| 127)) is different from false [2023-12-02 13:40:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2023-12-02 13:40:02,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:43:18,114 WARN L293 SmtUtils]: Spent 2.38m on a formula simplification. DAG size of input: 87 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:47:14,515 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse24 (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse26 (mod (+ .cse24 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (let ((.cse27 (+ (- 256) .cse26)) (.cse23 (+ |c_ULTIMATE.start_gcd_test_~a#1| 1)) (.cse14 (+ |c_ULTIMATE.start_main1_~x~0#1| 1)) (.cse29 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse26) 256))) (let ((.cse25 (mod (+ .cse24 |c_ULTIMATE.start_gcd_test_~b#1|) 256)) (.cse19 (= .cse26 0)) (.cse20 (not (= (mod (mod .cse26 .cse29) 256) 0))) (.cse21 (< .cse29 .cse14)) (.cse12 (< 0 .cse23)) (.cse28 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse27) 256))) (let ((.cse7 (< .cse26 128)) (.cse10 (< .cse28 .cse14)) (.cse11 (not (= (mod (mod .cse27 .cse28) 256) 0))) (.cse6 (< 127 .cse26)) (.cse5 (or .cse19 .cse20 .cse21 .cse12)) (.cse9 (< 127 .cse25)) (.cse2 (< |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse3 (< .cse25 128)) (.cse0 (mod .cse24 256))) (and (or (< .cse0 128) (let ((.cse4 (let ((.cse15 (+ (- 256) .cse0))) (let ((.cse13 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse15) 256))) (or (< |c_ULTIMATE.start_gcd_test_~a#1| 0) (< .cse13 .cse14) (not (= 0 (mod (mod .cse15 .cse13) 256)))))))) (and (or (let ((.cse1 (and .cse4 .cse5))) (and (or .cse1 .cse2) (or .cse1 .cse2 .cse3))) .cse6) (or .cse7 (let ((.cse8 (and (or .cse10 .cse11 .cse12) .cse4))) (and (or .cse8 .cse2 .cse3) (or .cse8 .cse2 .cse9))))))) (or (< 127 .cse0) (let ((.cse18 (= .cse24 0))) (let ((.cse17 (let ((.cse22 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse0) 256))) (or (not (= (mod (mod .cse0 .cse22) 256) 0)) (< .cse22 .cse14) (and (<= .cse23 0) (not .cse18)) (= .cse0 0))))) (and (or .cse7 (let ((.cse16 (and .cse17 (or .cse10 .cse18 .cse11 .cse12)))) (and (or .cse16 .cse2 .cse9) (or .cse16 .cse2 .cse3)))) (or .cse6 (and (or (and .cse17 .cse5) .cse2 .cse9) (or (and .cse17 (or .cse18 .cse19 .cse20 .cse21 .cse12)) .cse2 .cse3))))))))))))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0) (< |c_ULTIMATE.start_main1_~x~0#1| 1)) is different from false