./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 527bcce2 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_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7da096d64cf3390a2bb7c442378ab6f697dfdf0fd9d4078975ad6171409858bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:33,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:33,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:12:33,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:33,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:33,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:33,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:33,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:33,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:33,648 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:33,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:33,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:33,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:33,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:33,651 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:33,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:33,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:33,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:33,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:33,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:33,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:33,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:33,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:33,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:33,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:33,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:33,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:33,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:33,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:33,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:33,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:33,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:33,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:33,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:33,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:33,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:33,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:33,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:33,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:33,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:33,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:33,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:33,664 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7da096d64cf3390a2bb7c442378ab6f697dfdf0fd9d4078975ad6171409858bb [2023-11-21 22:12:33,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:33,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:33,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:33,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:33,971 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:33,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/bitvector/gcd_2.c [2023-11-21 22:12:37,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:37,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:37,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/sv-benchmarks/c/bitvector/gcd_2.c [2023-11-21 22:12:37,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/data/cd21d386c/4578b8c25c414335b11fabd9b95863aa/FLAGd8250ff7d [2023-11-21 22:12:37,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/data/cd21d386c/4578b8c25c414335b11fabd9b95863aa [2023-11-21 22:12:37,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:37,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:37,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:37,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:37,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:37,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7d8a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37, skipping insertion in model container [2023-11-21 22:12:37,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:37,535 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_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/sv-benchmarks/c/bitvector/gcd_2.c[664,677] [2023-11-21 22:12:37,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:37,578 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:37,594 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_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/sv-benchmarks/c/bitvector/gcd_2.c[664,677] [2023-11-21 22:12:37,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:37,627 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:37,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37 WrapperNode [2023-11-21 22:12:37,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:37,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:37,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:37,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:37,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,667 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-21 22:12:37,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:37,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:37,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:37,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:37,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,682 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,692 INFO L187 HeapSplitter]: Split 10 memory accesses to 2 slices as follows [2, 8] [2023-11-21 22:12:37,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:37,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:37,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:37,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:37,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (1/1) ... [2023-11-21 22:12:37,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:37,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:37,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:12:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:12:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:37,868 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:37,870 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:38,069 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:38,175 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:38,176 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:38,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:38 BoogieIcfgContainer [2023-11-21 22:12:38,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:38,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:38,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:38,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:38,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:37" (1/3) ... [2023-11-21 22:12:38,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a1b2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:38, skipping insertion in model container [2023-11-21 22:12:38,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:37" (2/3) ... [2023-11-21 22:12:38,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a1b2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:38, skipping insertion in model container [2023-11-21 22:12:38,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:38" (3/3) ... [2023-11-21 22:12:38,194 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2.c [2023-11-21 22:12:38,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:38,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:38,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:38,279 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=PETRI_NET, 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;@43c2ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:38,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:38,284 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) [2023-11-21 22:12:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 22:12:38,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:38,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-21 22:12:38,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:38,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:38,298 INFO L85 PathProgramCache]: Analyzing trace with hash 84816067, now seen corresponding path program 1 times [2023-11-21 22:12:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:38,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395242566] [2023-11-21 22:12:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:38,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:38,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395242566] [2023-11-21 22:12:38,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395242566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:38,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:38,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:12:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821676501] [2023-11-21 22:12:38,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:38,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:12:38,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:38,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:12:38,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:12:38,838 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) [2023-11-21 22:12:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:38,909 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2023-11-21 22:12:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:12:38,912 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 [2023-11-21 22:12:38,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:38,921 INFO L225 Difference]: With dead ends: 18 [2023-11-21 22:12:38,921 INFO L226 Difference]: Without dead ends: 7 [2023-11-21 22:12:38,924 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 [2023-11-21 22:12:38,928 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 [2023-11-21 22:12:38,930 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] [2023-11-21 22:12:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-21 22:12:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-21 22:12:38,962 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) [2023-11-21 22:12:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 22:12:38,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2023-11-21 22:12:38,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:38,965 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-21 22:12:38,965 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) [2023-11-21 22:12:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 22:12:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:12:38,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:38,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:12:38,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:38,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:38,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1696327067, now seen corresponding path program 1 times [2023-11-21 22:12:38,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:38,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564530220] [2023-11-21 22:12:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:38,994 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:12:39,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559908241] [2023-11-21 22:12:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:39,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:12:39,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:39,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:12:39,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:12:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:39,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:12:39,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:12:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:39,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:12:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:39,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564530220] [2023-11-21 22:12:39,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:12:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559908241] [2023-11-21 22:12:39,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559908241] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:12:39,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:12:39,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-21 22:12:39,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482209381] [2023-11-21 22:12:39,842 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:12:39,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:12:39,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:39,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:12:39,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:12:39,845 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) [2023-11-21 22:12:40,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:40,104 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-21 22:12:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:12:40,105 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 [2023-11-21 22:12:40,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:40,106 INFO L225 Difference]: With dead ends: 14 [2023-11-21 22:12:40,106 INFO L226 Difference]: Without dead ends: 9 [2023-11-21 22:12:40,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:12:40,110 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 [2023-11-21 22:12:40,111 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] [2023-11-21 22:12:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-21 22:12:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-21 22:12:40,120 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) [2023-11-21 22:12:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-21 22:12:40,121 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2023-11-21 22:12:40,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:40,122 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-21 22:12:40,122 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) [2023-11-21 22:12:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-21 22:12:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:12:40,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:40,123 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2023-11-21 22:12:40,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:12:40,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:12:40,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:40,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash 936209957, now seen corresponding path program 2 times [2023-11-21 22:12:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:40,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720951227] [2023-11-21 22:12:40,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:40,352 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:12:40,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021731740] [2023-11-21 22:12:40,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:12:40,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:12:40,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:40,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:12:40,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b9eaef-0bc5-4534-8b8f-1e00b9a8f188/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:12:40,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:12:40,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:12:40,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 22:12:40,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:12:53,239 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse14 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (let ((.cse106 (mod |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse107 (mod .cse14 256))) (let ((.cse1 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse38 (* |c_ULTIMATE.start_main_~y~0#1| 255)) (.cse6 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse3 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse18 (<= 128 .cse107)) (.cse16 (<= 128 .cse106)) (.cse26 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse20 (<= .cse107 127)) (.cse17 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse21 (<= .cse106 127))) (or (and (<= (+ |c_ULTIMATE.start_main_~y~0#1| 1) 0) (let ((.cse0 (mod .cse38 256))) (or (and (not (= .cse0 0)) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| .cse0))) (and (= .cse1 (mod (+ |c_ULTIMATE.start_main_~y~0#1| .cse2) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_28| 1) 0) (not (= .cse2 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| .cse0) 256))))) (<= .cse0 127) (let ((.cse19 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|))))) (let ((.cse7 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse36 (mod .cse35 256))) (and (<= 128 (mod (+ .cse14 .cse35) 256)) (<= 128 .cse36) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse35) 256) 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= .cse36 .cse26)))))) (.cse4 (or (and .cse17 .cse18 .cse19 .cse21) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse33 (mod .cse34 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse33) (<= 128 (mod (+ .cse14 .cse34) 256)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse34) 256) 127) (<= .cse33 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|))))))) (.cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse31 (mod .cse32 256))) (and (<= 128 .cse31) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse32) 256) 127) (<= (mod (+ .cse14 .cse32) 256) 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= .cse31 .cse26)))))) (.cse5 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse29 (mod .cse30 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse29) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse30) 256)) (<= .cse29 127) (<= (mod (+ .cse14 .cse30) 256) 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|))))) (and .cse16 .cse20 .cse17 .cse19))) (.cse11 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse28 (mod .cse27 256))) (and (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse27) 256)) (<= 128 .cse28) (<= (mod (+ .cse14 .cse27) 256) 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= .cse28 .cse26)))))) (.cse10 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse25 (mod .cse24 256))) (and (<= 128 (mod (+ .cse14 .cse24) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse24) 256)) (<= 128 .cse25) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= .cse25 .cse26)))))) (.cse9 (or (and .cse20 .cse17 .cse19 .cse21) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse22 (mod .cse23 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse22) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse23) 256) 127) (<= .cse22 127) (<= (mod (+ .cse14 .cse23) 256) 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|))))))) (.cse12 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse13 (mod .cse15 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse13) (<= 128 (mod (+ .cse14 .cse15) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse15) 256)) (<= .cse13 127) (<= .cse0 |v_ULTIMATE.start_gcd_test_~a#1_29|))))) (and .cse16 .cse17 .cse18 .cse19)))) (or (and .cse3 .cse4) (and .cse5 .cse6) (and .cse7 .cse6) (and .cse3 .cse7) (and .cse8 .cse6) (and .cse9 .cse3) (and .cse6 .cse4) (and .cse6 .cse10) (and .cse3 .cse11) (and .cse8 .cse3) (and .cse3 .cse5) (and .cse6 .cse11) (and .cse3 .cse10) (and .cse6 .cse12) (and .cse9 .cse6) (and .cse3 .cse12))))) (and (<= 128 .cse0) (let ((.cse37 (+ (- 256) .cse0))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| .cse37) 256) |c_ULTIMATE.start_gcd_test_~a#1|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| .cse37))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_28| 1) 0) (= .cse1 (mod (+ .cse38 .cse39) 256)) (not (= .cse39 0))))))) (let ((.cse71 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)))))) (let ((.cse41 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse78 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse79 (mod .cse78 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= 128 (mod (+ .cse14 .cse78) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse78) 256)) (<= 128 .cse79) (= .cse79 .cse26)))))) (.cse52 (and .cse71 .cse16 .cse20 .cse17)) (.cse49 (or (and .cse71 .cse20 .cse17 .cse21) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse77 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse76 (mod .cse77 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse76) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse77) 256) 127) (<= .cse76 127) (<= (mod (+ .cse14 .cse77) 256) 127))))))) (.cse46 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse75 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse74 (mod .cse75 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse74) (<= 128 (mod (+ .cse14 .cse75) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse75) 256)) (<= .cse74 127)))))) (.cse47 (and .cse71 .cse16 .cse17 .cse18)) (.cse56 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse73 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse72 (mod .cse73 256))) (and (<= 128 .cse72) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse73) 256) 127) (<= (mod (+ .cse14 .cse73) 256) 127) (= .cse72 .cse26)))))) (.cse59 (and .cse71 .cse17 .cse18 .cse21))) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ .cse14 .cse40) 256)) (<= 128 (mod .cse40 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse40) 256) .cse26) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0)))) .cse41) .cse6) (and .cse3 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse42 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse43 (mod .cse42 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= 128 (mod (+ .cse14 .cse42) 256)) (<= 128 .cse43) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse42) 256) 127) (= .cse43 .cse26))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse14 .cse44) 256) .cse26) (<= 128 (mod .cse44 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse44) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0)))))) (and .cse3 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse14 .cse45) 256) .cse26) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse45) 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod .cse45 256) 127) (not (= .cse45 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0)))) .cse46 .cse47)) (and (or .cse41 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse48 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse14 .cse48) 256) .cse26) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse48) 256)) (<= 128 (mod .cse48 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0))))) .cse3) (and .cse3 .cse49) (and .cse3 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse50 (mod .cse51 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse50) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse51) 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= .cse50 127) (<= (mod (+ .cse14 .cse51) 256) 127))))) .cse52)) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse54 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse53 (mod .cse54 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse53) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse54) 256)) (<= .cse53 127) (<= (mod (+ .cse14 .cse54) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod .cse55 256) 127) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse55) 256) .cse26) (not (= .cse55 0)) (<= (mod (+ .cse14 .cse55) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0)))) .cse52) .cse6) (and .cse6 .cse56) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse58 (mod .cse57 256))) (and (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse57) 256)) (<= 128 .cse58) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ .cse14 .cse57) 256) 127) (= .cse58 .cse26))))) .cse3) (and (or .cse59 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse60 (mod .cse61 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse60) (<= 128 (mod (+ .cse14 .cse61) 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse61) 256) 127) (<= .cse60 127)))))) .cse6) (and .cse6 .cse49) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse62 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ .cse14 .cse62) 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod .cse62 256) 127) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse62) 256) .cse26) (not (= .cse62 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0)))) .cse46 .cse47) .cse6) (and .cse3 .cse56) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse64 (mod .cse63 256))) (and (<= 128 (mod (+ .cse14 .cse63) 256)) (<= 128 .cse64) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse63) 256) 127) (= .cse64 .cse26)))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse65 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse66 (mod .cse65 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse65) 256)) (<= 128 .cse66) (<= (mod (+ .cse14 .cse65) 256) 127) (= .cse66 .cse26))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod .cse67 256)) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse67) 256) .cse26) (<= (mod (+ .cse14 .cse67) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0))))) .cse6) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse69 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse68 (mod .cse69 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_29|) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse68) (<= 128 (mod (+ .cse14 .cse69) 256)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse69) 256) 127) (<= .cse68 127))))) .cse59 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse70 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse14 .cse70) 256) .cse26) (<= .cse0 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_29|)) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse70) 256) 127) (<= (mod .cse70 256) 127) (not (= .cse70 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_29| 1) 0))))) .cse3)))))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse80 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~y~0#1|))) (and (not (= .cse80 0)) (= .cse1 (mod (+ .cse38 .cse80) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_28| 1) 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~y~0#1|) 256) |c_ULTIMATE.start_gcd_test_~a#1|)))) (<= 0 |c_ULTIMATE.start_main_~y~0#1|) (let ((.cse89 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|))))) (let ((.cse82 (or (and .cse20 .cse89 .cse17 .cse21) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse105 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse104 (mod .cse105 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse104) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse105) 256) 127) (<= .cse104 127) (<= (mod (+ .cse14 .cse105) 256) 127))))))) (.cse85 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse102 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse103 (mod .cse102 256))) (and (<= 128 (mod (+ .cse14 .cse102) 256)) (<= 128 .cse103) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse102) 256) 127) (= .cse103 .cse26)))))) (.cse84 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse100 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse101 (mod .cse100 256))) (and (<= 128 (mod (+ .cse14 .cse100) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse100) 256)) (<= 128 .cse101) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (= .cse101 .cse26)))))) (.cse83 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse99 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse98 (mod .cse99 256))) (and (<= 128 .cse98) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse99) 256) 127) (<= (mod (+ .cse14 .cse99) 256) 127) (= .cse98 .cse26)))))) (.cse81 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse96 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse97 (mod .cse96 256))) (and (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse96) 256)) (<= 128 .cse97) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= (mod (+ .cse14 .cse96) 256) 127) (= .cse97 .cse26)))))) (.cse86 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse95 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse94 (mod .cse95 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse94) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse95) 256)) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= .cse94 127) (<= (mod (+ .cse14 .cse95) 256) 127))))) (and .cse16 .cse20 .cse89 .cse17))) (.cse87 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse93 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse92 (mod .cse93 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse92) (<= 128 (mod (+ .cse14 .cse93) 256)) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse93) 256) 127) (<= .cse92 127))))) (and .cse89 .cse17 .cse18 .cse21))) (.cse88 (or (and .cse16 .cse89 .cse17 .cse18) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_29| Int)) (let ((.cse91 (mod |v_ULTIMATE.start_gcd_test_~a#1_29| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse90 (mod .cse91 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse90) (<= 128 (mod (+ .cse14 .cse91) 256)) (<= 128 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse91) 256)) (<= |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_29|) (<= .cse90 127)))))))) (or (and .cse6 .cse81) (and .cse3 .cse82) (and .cse3 .cse83) (and .cse6 .cse84) (and .cse85 .cse3) (and .cse6 .cse82) (and .cse85 .cse6) (and .cse3 .cse84) (and .cse6 .cse86) (and .cse6 .cse83) (and .cse87 .cse6) (and .cse3 .cse81) (and .cse88 .cse6) (and .cse3 .cse86) (and .cse87 .cse3) (and .cse88 .cse3)))) (not (= |c_ULTIMATE.start_main_~y~0#1| 0))))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0)) (<= |c_ULTIMATE.start_main_~y~0#1| 127)) is different from false