./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire --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 7da096d64cf3390a2bb7c442378ab6f697dfdf0fd9d4078975ad6171409858bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:14,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:14,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:08:14,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:14,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:14,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:14,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:14,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:14,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:14,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:14,193 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:14,193 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:14,194 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:14,194 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:14,195 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:14,195 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:14,196 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:14,196 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:14,197 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:14,197 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:14,198 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:14,198 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:14,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:14,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:14,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:14,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:14,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:14,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:14,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:14,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:14,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:14,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:14,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:14,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:14,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:14,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:14,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:14,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:14,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:14,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:14,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:14,207 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:14,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:14,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:14,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:14,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:14,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:14,208 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_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7da096d64cf3390a2bb7c442378ab6f697dfdf0fd9d4078975ad6171409858bb [2023-11-23 21:08:14,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:14,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:14,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:14,531 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:14,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:14,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/bitvector/gcd_2.c [2023-11-23 21:08:17,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:17,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:17,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/sv-benchmarks/c/bitvector/gcd_2.c [2023-11-23 21:08:17,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/data/670466339/007255b44fe3453ca791f7d758e472f0/FLAG3d6de7b33 [2023-11-23 21:08:17,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/data/670466339/007255b44fe3453ca791f7d758e472f0 [2023-11-23 21:08:17,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:17,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:17,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:17,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:17,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:17,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:17" (1/1) ... [2023-11-23 21:08:17,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c2502b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:17, skipping insertion in model container [2023-11-23 21:08:17,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:17" (1/1) ... [2023-11-23 21:08:17,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:18,111 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_7ffa3ca3-683b-48c7-906e-bc0130c03675/sv-benchmarks/c/bitvector/gcd_2.c[664,677] [2023-11-23 21:08:18,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:18,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:18,151 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_7ffa3ca3-683b-48c7-906e-bc0130c03675/sv-benchmarks/c/bitvector/gcd_2.c[664,677] [2023-11-23 21:08:18,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:18,171 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:18,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18 WrapperNode [2023-11-23 21:08:18,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:18,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:18,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:18,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:18,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,202 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-23 21:08:18,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:18,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:18,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:18,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:18,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:18,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:18,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:18,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:18,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:18,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:18,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:18,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:18,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:18,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:18,504 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:18,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:18,586 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:08:18,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:18 BoogieIcfgContainer [2023-11-23 21:08:18,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:18,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:18,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:18,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:18,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:17" (1/3) ... [2023-11-23 21:08:18,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aa5d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:18, skipping insertion in model container [2023-11-23 21:08:18,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (2/3) ... [2023-11-23 21:08:18,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aa5d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:18, skipping insertion in model container [2023-11-23 21:08:18,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:18" (3/3) ... [2023-11-23 21:08:18,606 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2.c [2023-11-23 21:08:18,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:18,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:08:18,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:18,694 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;@1bf3bf78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:18,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:08:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 21:08:18,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:18,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-23 21:08:18,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:18,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash 84816067, now seen corresponding path program 1 times [2023-11-23 21:08:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:18,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069038690] [2023-11-23 21:08:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:19,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:08:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069038690] [2023-11-23 21:08:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069038690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:19,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:19,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:08:19,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365341478] [2023-11-23 21:08:19,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:19,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:08:19,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:08:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:08:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:08:19,323 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:19,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:19,368 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2023-11-23 21:08:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:08:19,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-23 21:08:19,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:19,384 INFO L225 Difference]: With dead ends: 18 [2023-11-23 21:08:19,385 INFO L226 Difference]: Without dead ends: 7 [2023-11-23 21:08:19,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:08:19,395 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:19,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:08:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-23 21:08:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-23 21:08:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-23 21:08:19,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2023-11-23 21:08:19,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:19,435 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-23 21:08:19,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-23 21:08:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:08:19,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:19,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:08:19,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:08:19,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:19,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:19,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1696327067, now seen corresponding path program 1 times [2023-11-23 21:08:19,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:19,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110376677] [2023-11-23 21:08:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:19,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:19,474 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:08:19,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103316027] [2023-11-23 21:08:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:19,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:19,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:19,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:08:19,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:08:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:19,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:08:19,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:20,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:08:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:08:20,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:08:20,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110376677] [2023-11-23 21:08:20,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:08:20,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103316027] [2023-11-23 21:08:20,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103316027] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:08:20,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [766850061] [2023-11-23 21:08:20,300 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-23 21:08:20,301 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:08:20,304 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:08:20,310 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:08:20,310 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:08:22,335 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:08:22,537 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '84#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~g~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 127) (= |ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_main_~g~0#1| 127) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 128)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:08:22,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:08:22,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:08:22,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-23 21:08:22,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943822515] [2023-11-23 21:08:22,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:08:22,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:08:22,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:08:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:08:22,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:08:22,543 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:22,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:22,815 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-23 21:08:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:08:22,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-23 21:08:22,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:22,817 INFO L225 Difference]: With dead ends: 14 [2023-11-23 21:08:22,817 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 21:08:22,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:08:22,819 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:22,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:08:22,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 21:08:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-23 21:08:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-23 21:08:22,825 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2023-11-23 21:08:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:22,826 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-23 21:08:22,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:08:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-23 21:08:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:08:22,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:22,827 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2023-11-23 21:08:22,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:08:23,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:23,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:23,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash 936209957, now seen corresponding path program 2 times [2023-11-23 21:08:23,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:23,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320597412] [2023-11-23 21:08:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:23,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:23,060 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:08:23,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018801918] [2023-11-23 21:08:23,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:08:23,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:23,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:08:23,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ffa3ca3-683b-48c7-906e-bc0130c03675/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:08:23,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-23 21:08:23,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:08:23,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 21:08:23,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:37,644 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse19 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (let ((.cse100 (mod .cse19 256)) (.cse99 (mod |c_ULTIMATE.start_gcd_test_~a#1| 256))) (let ((.cse22 (<= 128 .cse99)) (.cse32 (<= .cse100 127)) (.cse24 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse25 (<= 128 .cse100)) (.cse35 (<= .cse99 127)) (.cse0 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse3 (* |c_ULTIMATE.start_main_~y~0#1| 255)) (.cse9 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse11 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse21 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_31| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (mod (+ .cse3 .cse2) 256))) (and (= .cse0 .cse1) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0) (<= 128 .cse1) (not (= .cse2 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse4 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_31| |c_ULTIMATE.start_main_~y~0#1|) 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| .cse4) (<= .cse4 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse6 (mod |v_ULTIMATE.start_gcd_test_~a#1_31| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse5 (mod (+ .cse3 .cse6) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse5) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0) (<= .cse5 127) (not (= .cse6 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse7 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_31| |c_ULTIMATE.start_main_~y~0#1|) 256))) (and (<= 128 .cse7) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|) (= .cse0 .cse7))))) (<= 0 |c_ULTIMATE.start_main_~y~0#1|) (let ((.cse23 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0))))) (let ((.cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse41 (mod .cse40 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse40 .cse19) 256) 127) (= .cse41 .cse21) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse40) 256)) (<= 128 .cse41)))))) (.cse14 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse38 (mod .cse39 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= .cse38 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse39) 256) 127) (<= 128 (mod (+ .cse39 .cse19) 256)) (= .cse38 |c_ULTIMATE.start_gcd_test_~b#1|))))) (and .cse23 .cse24 .cse25 .cse35))) (.cse13 (or (and .cse32 .cse23 .cse24 .cse35) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse37 (mod .cse36 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse36 .cse19) 256) 127) (<= .cse37 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse36) 256) 127) (= .cse37 |c_ULTIMATE.start_gcd_test_~b#1|))))))) (.cse16 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse33 (mod .cse34 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse33 .cse21) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse34) 256) 127) (<= 128 (mod (+ .cse34 .cse19) 256)) (<= 128 .cse33)))))) (.cse10 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse31 (mod .cse30 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse30 .cse19) 256) 127) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse30) 256)) (<= .cse31 127) (= .cse31 |c_ULTIMATE.start_gcd_test_~b#1|))))) (and .cse22 .cse32 .cse23 .cse24))) (.cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse28 (mod .cse29 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse28 .cse21) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse29) 256)) (<= 128 (mod (+ .cse29 .cse19) 256)) (<= 128 .cse28)))))) (.cse15 (or (and .cse22 .cse23 .cse24 .cse25) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse27 (mod .cse26 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse26) 256)) (<= .cse27 127) (<= 128 (mod (+ .cse26 .cse19) 256)) (= .cse27 |c_ULTIMATE.start_gcd_test_~b#1|))))))) (.cse17 (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|))) (let ((.cse20 (mod .cse18 256))) (and (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse18 .cse19) 256) 127) (= .cse20 .cse21) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse18) 256) 127) (<= 128 .cse20))))))) (or (and .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse11) (and .cse11 .cse8) (and .cse13 .cse11) (and .cse14 .cse9) (and .cse11 .cse14) (and .cse9 .cse15) (and .cse11 .cse16) (and .cse13 .cse9) (and .cse9 .cse16) (and .cse10 .cse9) (and .cse12 .cse9) (and .cse9 .cse17) (and .cse11 .cse15) (and .cse11 .cse17)))) (not (= |c_ULTIMATE.start_main_~y~0#1| 0))) (and (let ((.cse55 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse97 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse98 (mod .cse97 256))) (and (<= (mod (+ .cse97 .cse19) 256) 127) (= .cse98 .cse21) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse97) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 .cse98)))))) (.cse65 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse96 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse95 (mod .cse96 256))) (and (= .cse95 .cse21) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse96) 256) 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ .cse96 .cse19) 256)) (<= 128 .cse95)))))) (.cse90 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse93 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse94 (mod .cse93 256))) (and (<= (mod (+ .cse93 .cse19) 256) 127) (= .cse94 .cse21) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse93) 256) 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 .cse94))))))) (let ((.cse47 (and .cse11 .cse90)) (.cse53 (and .cse65 .cse9)) (.cse54 (and .cse55 .cse11)) (.cse50 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse92 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse91 (mod .cse92 256))) (and (= .cse91 .cse21) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse92) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ .cse92 .cse19) 256)) (<= 128 .cse91)))))) (.cse63 (and .cse9 .cse90)) (.cse42 (mod .cse3 256))) (or (and (<= 128 .cse42) (let ((.cse44 (+ (- 256) .cse42))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_31| .cse44))) (and (= .cse0 (mod (+ .cse3 .cse43) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0) (not (= .cse43 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_31| .cse44) 256)))))) (let ((.cse69 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (<= .cse42 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0))))) (let ((.cse52 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse74 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse75 (mod .cse74 256))) (and (<= (mod (+ .cse74 .cse19) 256) 127) (<= .cse75 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse74) 256) 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse75 |c_ULTIMATE.start_gcd_test_~b#1|))))) (and .cse32 .cse24 .cse69 .cse35))) (.cse45 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse72 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse73 (mod .cse72 256))) (and (<= (mod (+ .cse72 .cse19) 256) 127) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse72) 256)) (<= .cse73 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= .cse73 |c_ULTIMATE.start_gcd_test_~b#1|)))))) (.cse46 (and .cse22 .cse32 .cse24 .cse69)) (.cse48 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse71 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse70 (mod .cse71 256))) (and (<= .cse70 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse71) 256) 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ .cse71 .cse19) 256)) (= .cse70 |c_ULTIMATE.start_gcd_test_~b#1|)))))) (.cse49 (and .cse24 .cse25 .cse69 .cse35)) (.cse59 (and .cse22 .cse24 .cse25 .cse69)) (.cse60 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse68 (mod .cse67 256))) (and (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse67) 256)) (<= .cse68 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ .cse67 .cse19) 256)) (= .cse68 |c_ULTIMATE.start_gcd_test_~b#1|))))))) (or (and .cse11 (or .cse45 .cse46)) .cse47 (and .cse9 (or .cse48 .cse49)) (and (or .cse50 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse42 (+ 256 |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| .cse51) 256) .cse21) (<= 128 (mod (+ .cse51 .cse19) 256)) (<= 128 (mod .cse51 256)))))) .cse9) (and .cse52 .cse11) (and .cse52 .cse9) .cse53 .cse54 (and .cse9 (or .cse55 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse56 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse42 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse56 .cse19) 256) 127) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse56) 256) .cse21) (<= 128 (mod .cse56 256))))))) (and .cse9 (or .cse45 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse42 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod (+ .cse57 .cse19) 256) 127) (<= (mod .cse57 256) 127) (not (= .cse57 0)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse57) 256) .cse21)))) .cse46)) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse58 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse42 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod .cse58 256) 127) (not (= .cse58 0)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse58) 256) .cse21) (<= 128 (mod (+ .cse58 .cse19) 256))))) .cse59 .cse60) .cse9) (and (or .cse48 .cse49 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse61 .cse19) 256) .cse21) (<= .cse42 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_32|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= (mod .cse61 256) 127) (not (= .cse61 0)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse61) 256) 127))))) .cse11) (and (or .cse59 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse62 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse62 .cse19) 256) .cse21) (<= .cse42 (+ 256 |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| .cse62) 256)) (<= (mod .cse62 256) 127) (not (= .cse62 0))))) .cse60) .cse11) .cse63 (and .cse11 (or .cse50 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse64 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse64 .cse19) 256) .cse21) (<= .cse42 (+ 256 |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| .cse64) 256)) (<= 128 (mod .cse64 256))))))) (and (or .cse65 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse66 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse66 .cse19) 256) .cse21) (<= .cse42 (+ 256 |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| .cse66) 256) 127) (<= 128 (mod .cse66 256)))))) .cse11))))) (and (let ((.cse80 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (and (<= .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|) 0))))) (let ((.cse77 (or (and .cse80 .cse24 .cse25 .cse35) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse88 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse87 (mod .cse88 256))) (and (<= .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= .cse87 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse88) 256) 127) (<= 128 (mod (+ .cse88 .cse19) 256)) (= .cse87 |c_ULTIMATE.start_gcd_test_~b#1|))))))) (.cse79 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse85 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse86 (mod .cse85 256))) (and (<= .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse85 .cse19) 256) 127) (<= .cse86 127) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse85) 256) 127) (= .cse86 |c_ULTIMATE.start_gcd_test_~b#1|))))) (and .cse32 .cse80 .cse24 .cse35))) (.cse76 (or (and .cse22 .cse80 .cse24 .cse25) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse83 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse84 (mod .cse83 256))) (and (<= .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse83) 256)) (<= .cse84 127) (<= 128 (mod (+ .cse83 .cse19) 256)) (= .cse84 |c_ULTIMATE.start_gcd_test_~b#1|))))))) (.cse78 (or (and .cse22 .cse32 .cse80 .cse24) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse81 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse82 (mod .cse81 256))) (and (<= .cse42 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse81 .cse19) 256) 127) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse81) 256)) (<= .cse82 127) (= .cse82 |c_ULTIMATE.start_gcd_test_~b#1|)))))))) (or (and .cse9 .cse76) (and .cse11 .cse77) (and .cse11 .cse78) .cse47 (and .cse65 .cse11) (and .cse79 .cse9) .cse53 .cse54 (and .cse50 .cse11) (and .cse9 .cse77) (and .cse55 .cse9) (and .cse50 .cse9) (and .cse79 .cse11) (and .cse11 .cse76) .cse63 (and .cse9 .cse78)))) (not (= .cse42 0)) (<= .cse42 127) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (let ((.cse89 (mod |v_ULTIMATE.start_gcd_test_~a#1_31| .cse42))) (and (= .cse0 (mod (+ |c_ULTIMATE.start_main_~y~0#1| .cse89) 256)) (not (= .cse89 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_31| 1) 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_31| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_31| .cse42) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_31|)))))))) (<= (+ |c_ULTIMATE.start_main_~y~0#1| 1) 0)))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from true