./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_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_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/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_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/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_3ac96569-d637-4cf4-9b13-87d3a484da96/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 3d09a4cc0bc23b63ede1d1b9d8e202055edfb550f267c616041c6cb452339e6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:18:09,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:18:09,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:18:09,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:18:09,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:18:09,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:18:09,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:18:09,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:18:09,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:18:09,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:18:09,693 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:18:09,694 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:18:09,694 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:18:09,695 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:18:09,696 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:18:09,696 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:18:09,697 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:18:09,697 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:18:09,698 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:18:09,698 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:18:09,699 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:18:09,701 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:18:09,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:18:09,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:18:09,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:18:09,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:18:09,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:18:09,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:18:09,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:18:09,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:18:09,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:18:09,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:18:09,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:18:09,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:18:09,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:18:09,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:18:09,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:18:09,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:09,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:18:09,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:18:09,709 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:18:09,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:18:09,709 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_3ac96569-d637-4cf4-9b13-87d3a484da96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d09a4cc0bc23b63ede1d1b9d8e202055edfb550f267c616041c6cb452339e6a [2023-12-02 17:18:09,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:18:09,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:18:09,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:18:09,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:18:09,960 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:18:09,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/combinations/gcd_3+newton_2_6.i [2023-12-02 17:18:12,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:18:12,863 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:18:12,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/sv-benchmarks/c/combinations/gcd_3+newton_2_6.i [2023-12-02 17:18:12,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/data/43665846e/2b4fcd0e6d3943e098db1cfe54ef5a3f/FLAGc1c3f35a4 [2023-12-02 17:18:12,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/data/43665846e/2b4fcd0e6d3943e098db1cfe54ef5a3f [2023-12-02 17:18:12,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:18:12,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:18:12,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:12,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:18:12,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:18:12,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:12" (1/1) ... [2023-12-02 17:18:12,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29eb642e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:12, skipping insertion in model container [2023-12-02 17:18:12,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:12" (1/1) ... [2023-12-02 17:18:12,921 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:18:13,051 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_3ac96569-d637-4cf4-9b13-87d3a484da96/sv-benchmarks/c/combinations/gcd_3+newton_2_6.i[1226,1239] [2023-12-02 17:18:13,077 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_3ac96569-d637-4cf4-9b13-87d3a484da96/sv-benchmarks/c/combinations/gcd_3+newton_2_6.i[2841,2854] [2023-12-02 17:18:13,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:13,090 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:18:13,101 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_3ac96569-d637-4cf4-9b13-87d3a484da96/sv-benchmarks/c/combinations/gcd_3+newton_2_6.i[1226,1239] [2023-12-02 17:18:13,113 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_3ac96569-d637-4cf4-9b13-87d3a484da96/sv-benchmarks/c/combinations/gcd_3+newton_2_6.i[2841,2854] [2023-12-02 17:18:13,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:18:13,131 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:18:13,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13 WrapperNode [2023-12-02 17:18:13,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:18:13,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:13,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:18:13,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:18:13,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,169 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-12-02 17:18:13,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:18:13,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:18:13,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:18:13,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:18:13,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:18:13,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:18:13,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:18:13,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:18:13,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (1/1) ... [2023-12-02 17:18:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:18:13,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:18:13,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:18:13,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:18:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:18:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 17:18:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 17:18:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 17:18:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 17:18:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:18:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:18:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:18:13,357 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:18:13,359 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:18:13,526 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:18:13,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:18:13,594 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:18:13,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:13 BoogieIcfgContainer [2023-12-02 17:18:13,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:18:13,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:18:13,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:18:13,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:18:13,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:18:12" (1/3) ... [2023-12-02 17:18:13,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603d1496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:13, skipping insertion in model container [2023-12-02 17:18:13,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:13" (2/3) ... [2023-12-02 17:18:13,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@603d1496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:13, skipping insertion in model container [2023-12-02 17:18:13,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:13" (3/3) ... [2023-12-02 17:18:13,606 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3+newton_2_6.i [2023-12-02 17:18:13,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:18:13,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 17:18:13,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:18:13,686 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;@7ee46b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:18:13,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 17:18:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 17:18:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 17:18:13,699 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:13,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 17:18:13,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:18:13,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:13,707 INFO L85 PathProgramCache]: Analyzing trace with hash -584909265, now seen corresponding path program 1 times [2023-12-02 17:18:13,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:13,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842153629] [2023-12-02 17:18:13,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:13,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:14,109 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 17:18:14,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:14,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842153629] [2023-12-02 17:18:14,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842153629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:18:14,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:18:14,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:18:14,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016811074] [2023-12-02 17:18:14,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:18:14,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:18:14,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:18:14,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:18:14,152 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 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 17:18:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:14,274 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2023-12-02 17:18:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:18:14,277 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 17:18:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:14,284 INFO L225 Difference]: With dead ends: 37 [2023-12-02 17:18:14,284 INFO L226 Difference]: Without dead ends: 21 [2023-12-02 17:18:14,287 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 17:18:14,298 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 63 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 17:18:14,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 63 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:18:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-02 17:18:14,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-02 17:18:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 17:18:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-12-02 17:18:14,335 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2023-12-02 17:18:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:14,335 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-12-02 17:18:14,335 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 17:18:14,336 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-12-02 17:18:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:18:14,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:14,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:14,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:18:14,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:18:14,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:14,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1018725074, now seen corresponding path program 1 times [2023-12-02 17:18:14,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:14,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508482713] [2023-12-02 17:18:14,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:14,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:14,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:18:14,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190069187] [2023-12-02 17:18:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:14,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:18:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:18:14,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:18:14,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:18:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:18:14,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 17:18:14,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:18:19,691 WARN L876 $PredicateComparison]: unable to prove that (or (and (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= 0 (mod .cse1 |ULTIMATE.start_gcd_test_#res#1|)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (<= 0 |ULTIMATE.start_gcd_test_#res#1|) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= (+ |ULTIMATE.start_gcd_test_#res#1| 1) 0) (= 0 (mod .cse1 |ULTIMATE.start_gcd_test_#res#1|))))))) (and (<= .cse0 127) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod (mod .cse0 |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (not (= |ULTIMATE.start_gcd_test_#res#1| 0))))))) (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0))) is different from true [2023-12-02 17:18:20,004 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 17:18:20,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:18:24,157 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 17:18:24,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:18:24,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508482713] [2023-12-02 17:18:24,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:18:24,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190069187] [2023-12-02 17:18:24,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190069187] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:18:24,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2022914627] [2023-12-02 17:18:24,179 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-12-02 17:18:24,179 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:18:24,183 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:18:24,188 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:18:24,189 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:18:24,955 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:18:26,339 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '155#(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 17:18:26,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 17:18:26,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:18:26,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-02 17:18:26,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002835731] [2023-12-02 17:18:26,340 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 17:18:26,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 17:18:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:18:26,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 17:18:26,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=150, Unknown=2, NotChecked=24, Total=210 [2023-12-02 17:18:26,343 INFO L87 Difference]: Start difference. First operand 21 states and 23 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 17:18:28,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 17:18:30,989 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (or (< |c_ULTIMATE.start_main1_~g~0#1| .cse0) (< |c_ULTIMATE.start_main1_~x~0#1| 1)) (or (and (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= 0 (mod .cse2 |ULTIMATE.start_gcd_test_#res#1|)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (<= 0 |ULTIMATE.start_gcd_test_#res#1|) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= (+ |ULTIMATE.start_gcd_test_#res#1| 1) 0) (= 0 (mod .cse2 |ULTIMATE.start_gcd_test_#res#1|))))))) (and (<= .cse1 127) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod (mod .cse1 |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (not (= |ULTIMATE.start_gcd_test_#res#1| 0))))))) (<= .cse0 0))))) is different from true [2023-12-02 17:18:34,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:18:34,947 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-12-02 17:18:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 17:18:34,948 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 17:18:34,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:18:34,948 INFO L225 Difference]: With dead ends: 30 [2023-12-02 17:18:34,948 INFO L226 Difference]: Without dead ends: 24 [2023-12-02 17:18:34,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=46, Invalid=197, Unknown=5, NotChecked=58, Total=306 [2023-12-02 17:18:34,950 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:18:34,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 36 Unchecked, 4.2s Time] [2023-12-02 17:18:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-02 17:18:34,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-12-02 17:18:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 17:18:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2023-12-02 17:18:34,958 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 7 [2023-12-02 17:18:34,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:18:34,959 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-12-02 17:18:34,959 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 17:18:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-12-02 17:18:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:18:34,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:18:34,960 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2023-12-02 17:18:34,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:18:35,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:18:35,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:18:35,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:18:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2117450257, now seen corresponding path program 2 times [2023-12-02 17:18:35,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:18:35,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164041638] [2023-12-02 17:18:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:18:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:18:35,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:18:35,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658217460] [2023-12-02 17:18:35,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 17:18:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:18:35,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:18:35,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:18:35,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac96569-d637-4cf4-9b13-87d3a484da96/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 17:18:35,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 17:18:35,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 17:18:35,376 WARN L260 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 17:18:35,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:18:52,835 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 17:19:18,759 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 17:19:21,459 WARN L876 $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 true [2023-12-02 17:20:06,839 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 17:20:27,037 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 17:20:35,504 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 17:20:35,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:24:01,235 WARN L293 SmtUtils]: Spent 2.31m 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 17:27:51,158 WARN L876 $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 true