./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/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_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/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_6cbb5d06-49e3-4873-aa1e-28de397a44db/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 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:37:19,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:37:19,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:37:19,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:37:19,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:37:19,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:37:19,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:37:19,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:37:19,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:37:19,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:37:19,235 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:37:19,236 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:37:19,237 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:37:19,237 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:37:19,238 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:37:19,238 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:37:19,239 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:37:19,239 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:37:19,240 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:37:19,241 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:37:19,241 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:37:19,242 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:37:19,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:37:19,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:37:19,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:37:19,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:37:19,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:37:19,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:37:19,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:37:19,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:37:19,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:37:19,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:37:19,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:37:19,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:37:19,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:37:19,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:37:19,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:37:19,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:37:19,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:37:19,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:37:19,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:37:19,250 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:37:19,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:37:19,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:37:19,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:37:19,251 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:37:19,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:37:19,251 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_6cbb5d06-49e3-4873-aa1e-28de397a44db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 [2023-12-02 18:37:19,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:37:19,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:37:19,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:37:19,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:37:19,552 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:37:19,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i [2023-12-02 18:37:22,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:37:22,455 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:37:22,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i [2023-12-02 18:37:22,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/data/9719e4f09/2fc2065e7b234a5ba861722b22c2cfac/FLAGa9469fad6 [2023-12-02 18:37:22,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/data/9719e4f09/2fc2065e7b234a5ba861722b22c2cfac [2023-12-02 18:37:22,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:37:22,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:37:22,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:37:22,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:37:22,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:37:22,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180b5289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22, skipping insertion in model container [2023-12-02 18:37:22,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:37:22,639 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_6cbb5d06-49e3-4873-aa1e-28de397a44db/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2023-12-02 18:37:22,660 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_6cbb5d06-49e3-4873-aa1e-28de397a44db/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2023-12-02 18:37:22,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:37:22,670 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:37:22,684 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_6cbb5d06-49e3-4873-aa1e-28de397a44db/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2023-12-02 18:37:22,695 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_6cbb5d06-49e3-4873-aa1e-28de397a44db/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2023-12-02 18:37:22,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:37:22,707 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:37:22,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22 WrapperNode [2023-12-02 18:37:22,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:37:22,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:37:22,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:37:22,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:37:22,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,747 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-12-02 18:37:22,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:37:22,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:37:22,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:37:22,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:37:22,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:37:22,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:37:22,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:37:22,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:37:22,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (1/1) ... [2023-12-02 18:37:22,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:37:22,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:37:22,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:37:22,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:37:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 18:37:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 18:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 18:37:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 18:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:37:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:37:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:37:22,898 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:37:22,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:37:23,059 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:37:23,120 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:37:23,121 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:37:23,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:37:23 BoogieIcfgContainer [2023-12-02 18:37:23,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:37:23,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:37:23,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:37:23,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:37:23,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:37:22" (1/3) ... [2023-12-02 18:37:23,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e53c9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:37:23, skipping insertion in model container [2023-12-02 18:37:23,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:22" (2/3) ... [2023-12-02 18:37:23,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e53c9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:37:23, skipping insertion in model container [2023-12-02 18:37:23,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:37:23" (3/3) ... [2023-12-02 18:37:23,131 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3+newton_2_4.i [2023-12-02 18:37:23,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:37:23,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 18:37:23,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:37:23,191 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;@78b2855f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:37:23,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 18:37:23,194 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 18:37:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 18:37:23,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:37:23,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 18:37:23,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:37:23,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:37:23,207 INFO L85 PathProgramCache]: Analyzing trace with hash -584909265, now seen corresponding path program 1 times [2023-12-02 18:37:23,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:37:23,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755517249] [2023-12-02 18:37:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:37:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:37:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:37:23,609 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 18:37:23,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:37:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755517249] [2023-12-02 18:37:23,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755517249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:37:23,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:37:23,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:37:23,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241836053] [2023-12-02 18:37:23,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:37:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:37:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:37:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:37:23,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:37:23,646 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 18:37:23,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:37:23,742 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2023-12-02 18:37:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:37:23,744 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 18:37:23,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:37:23,750 INFO L225 Difference]: With dead ends: 37 [2023-12-02 18:37:23,750 INFO L226 Difference]: Without dead ends: 21 [2023-12-02 18:37:23,752 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 18:37:23,756 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 18:37:23,757 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 18:37:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-02 18:37:23,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-02 18:37:23,785 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 18:37:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-12-02 18:37:23,787 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2023-12-02 18:37:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:37:23,788 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-12-02 18:37:23,788 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 18:37:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-12-02 18:37:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 18:37:23,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:37:23,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:37:23,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:37:23,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:37:23,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:37:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1018725074, now seen corresponding path program 1 times [2023-12-02 18:37:23,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:37:23,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265782490] [2023-12-02 18:37:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:37:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:37:23,808 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:37:23,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255262741] [2023-12-02 18:37:23,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:37:23,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:37:23,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:37:23,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:37:23,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:37:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:37:23,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 18:37:23,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:37:28,867 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 18:37:29,169 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 18:37:29,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:37:33,266 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 18:37:33,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:37:33,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265782490] [2023-12-02 18:37:33,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:37:33,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255262741] [2023-12-02 18:37:33,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255262741] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:37:33,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1310452215] [2023-12-02 18:37:33,291 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-12-02 18:37:33,292 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:37:33,295 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:37:33,301 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:37:33,301 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:37:33,953 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:37:34,878 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 18:37:34,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:37:34,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:37:34,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-02 18:37:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286754845] [2023-12-02 18:37:34,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:37:34,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:37:34,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:37:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:37:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=150, Unknown=2, NotChecked=24, Total=210 [2023-12-02 18:37:34,883 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 18:37:37,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 18:37:39,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 18:37:40,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-12-02 18:37:43,289 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (or (< |c_ULTIMATE.start_main1_~g~0#1| .cse0) (< |c_ULTIMATE.start_main1_~x~0#1| 1)) (or (and (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (and (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= 0 (mod .cse2 |ULTIMATE.start_gcd_test_#res#1|)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (<= 0 |ULTIMATE.start_gcd_test_#res#1|) (not (= |ULTIMATE.start_gcd_test_#res#1| 0)))) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= (+ |ULTIMATE.start_gcd_test_#res#1| 1) 0) (= 0 (mod .cse2 |ULTIMATE.start_gcd_test_#res#1|))))))) (and (<= .cse1 127) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod (mod .cse1 |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (not (= |ULTIMATE.start_gcd_test_#res#1| 0))))))) (<= .cse0 0))))) is different from true [2023-12-02 18:37:46,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 18:37:52,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-12-02 18:37:52,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:37:52,940 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-12-02 18:37:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 18:37:52,941 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 18:37:52,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:37:52,942 INFO L225 Difference]: With dead ends: 30 [2023-12-02 18:37:52,942 INFO L226 Difference]: Without dead ends: 24 [2023-12-02 18:37:52,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=46, Invalid=197, Unknown=5, NotChecked=58, Total=306 [2023-12-02 18:37:52,945 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:37:52,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 4 Unknown, 36 Unchecked, 11.2s Time] [2023-12-02 18:37:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-02 18:37:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-12-02 18:37:52,954 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 18:37:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2023-12-02 18:37:52,955 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 7 [2023-12-02 18:37:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:37:52,955 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2023-12-02 18:37:52,956 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 18:37:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-12-02 18:37:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 18:37:52,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:37:52,957 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2023-12-02 18:37:52,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:37:53,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:37:53,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:37:53,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:37:53,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2117450257, now seen corresponding path program 2 times [2023-12-02 18:37:53,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:37:53,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232234715] [2023-12-02 18:37:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:37:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:37:53,172 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:37:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848208130] [2023-12-02 18:37:53,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:37:53,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:37:53,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:37:53,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:37:53,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cbb5d06-49e3-4873-aa1e-28de397a44db/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:37:53,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 18:37:53,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:37:53,394 WARN L260 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 18:37:53,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:38:07,105 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:38:14,835 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 18:38:45,127 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 18:38:47,716 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 18:39:44,192 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 18:39:46,215 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse47 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (let ((.cse8 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse5 (+ .cse47 (- 256))) (.cse6 (<= 128 .cse47)) (.cse16 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse9 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse11 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse7 (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (.cse53 (<= .cse47 127)) (.cse22 (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)) (.cse21 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse4 (+ (- 256) (mod (+ (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|) (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse4))) (let ((.cse0 (mod .cse3 256))) (let ((.cse1 (mod .cse4 .cse0))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse0 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (not (= .cse1 0)) (= .cse2 (mod (+ .cse1 (* .cse3 255)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (not (= .cse0 0)))))))) .cse6 .cse7 .cse8) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse12 (mod .cse15 256))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse12))) (let ((.cse13 (+ (- 256) (mod (+ .cse14 (* 255 .cse15)) 256)))) (let ((.cse10 (mod .cse13 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse10 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse12 .cse13) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse14 .cse15) 256) 127) (not (= .cse10 0))))))))) (and .cse16 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse20 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse17 (mod .cse20 256))) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse18 (+ (- 256) (mod (+ .cse19 (* 255 .cse20)) 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse17 .cse18) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ .cse19 .cse20) 256) 127) (= (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))))) .cse21 .cse22) (and .cse7 .cse8 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse26 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse24 (+ (- 256) (mod (+ .cse26 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse24))) (let ((.cse25 (+ (mod (+ .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse23 (mod .cse25 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse23 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse23) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse24 .cse25) .cse26 .cse27 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ (* 255 .cse26) .cse27 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256))))))))) .cse6) (and .cse16 (or (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse30 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse32 (+ (- 256) (mod (+ .cse30 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse32))) (let ((.cse28 (+ (mod (+ .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse29 (mod .cse32 .cse28))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse28 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse29 .cse30 .cse31 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse30) .cse31 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse29 0)))))))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse35 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse37 (+ (- 256) (mod (+ .cse35 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse37))) (let ((.cse33 (+ (mod (+ .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse34 (mod .cse37 .cse33))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (= .cse2 (mod (+ .cse34 .cse35 .cse36 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse34 0)) (<= 128 (mod (+ (* 255 .cse35) .cse36 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256)))))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod .cse5 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse39 (+ (- 256) (mod (+ .cse41 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)))) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse39))) (let ((.cse40 (+ (mod (+ .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256) (- 256)))) (let ((.cse38 (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse38 0)) (= .cse9 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse38) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse2 (mod (+ (mod .cse39 .cse40) .cse41 .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256)) (<= (mod (+ (* 255 .cse41) .cse42 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_32|)) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0)))))))) .cse6))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse46 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse44 (mod .cse46 256))) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse44))) (let ((.cse43 (+ (mod (+ .cse45 (* 255 .cse46)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse44 .cse43) 256)) (<= 128 (mod (+ .cse45 .cse46) 256)))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse52 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse49 (mod .cse52 256))) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse49))) (let ((.cse50 (+ (mod (+ .cse51 (* 255 .cse52)) 256) (- 256)))) (let ((.cse48 (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse48 0)) (= .cse9 (mod (+ .cse11 .cse48) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse49 .cse50) 256)) (<= 128 (mod (+ .cse51 .cse52) 256)))))))))) .cse7 .cse53 .cse21) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse57 (mod .cse55 256))) (let ((.cse54 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse57))) (let ((.cse58 (+ (mod (+ .cse54 (* 255 .cse55)) 256) (- 256)))) (let ((.cse56 (mod .cse58 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse54 .cse55) 256) 127) (not (= .cse56 0)) (= .cse9 (mod (+ .cse11 .cse56) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse57 .cse58) 256))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse62 (mod .cse61 256))) (let ((.cse60 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse62))) (let ((.cse59 (+ (mod (+ .cse60 (* 255 .cse61)) 256) (- 256)))) (and (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod .cse59 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse60 .cse61) 256) 127) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse62 .cse59) 256)))))))) .cse16)) .cse7 .cse53 .cse21) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse64 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse65 (mod .cse64 256))) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse65))) (let ((.cse66 (+ (- 256) (mod (+ .cse63 (* 255 .cse64)) 256)))) (and (<= 128 (mod (+ .cse63 .cse64) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse65 .cse66) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse66 |c_ULTIMATE.start_gcd_test_~a#1|) 0))))))) .cse16) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse68 (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|))) (let ((.cse70 (mod .cse68 256))) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse70))) (let ((.cse71 (+ (- 256) (mod (+ .cse67 (* 255 .cse68)) 256)))) (let ((.cse69 (mod .cse71 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ .cse67 .cse68) 256)) (<= 0 (+ 128 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= .cse9 (mod (+ .cse69 .cse11) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod .cse70 .cse71) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse69 0)))))))))) .cse21 .cse22) (and (or (and .cse7 .cse53 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse72 (mod (mod .cse47 |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse73 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse72) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse72 .cse73) 256)) (not (= .cse73 0)) (= (mod (mod .cse73 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse75 (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) 256))) (let ((.cse74 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse75) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse74 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_32| 127) (= (mod (mod .cse75 .cse74) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse74 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) .cse22)) .cse21)))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from true [2023-12-02 18:40:05,636 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 18:40:13,653 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 18:40:13,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:29,707 WARN L293 SmtUtils]: Spent 3.08m 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 18:48:41,855 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