./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_2_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ --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 add45819e4621ede17512a8acbf89201f3f4db1ab1bf97afdd66c20e4064e4cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:40,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:40,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:40,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:40,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:40,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:40,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:40,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:40,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:40,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:40,818 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:40,819 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:40,819 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:40,821 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:40,821 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:40,822 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:40,822 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:40,822 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:40,823 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:40,823 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:40,823 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:40,824 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:40,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:40,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:40,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:40,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:40,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:40,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:40,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:40,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:40,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:40,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:40,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:40,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:40,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:40,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:40,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:40,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:40,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:40,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:40,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:40,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:40,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:40,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:40,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:40,833 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_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> add45819e4621ede17512a8acbf89201f3f4db1ab1bf97afdd66c20e4064e4cd [2023-11-19 04:45:41,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:41,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:41,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:41,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:41,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:41,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/combinations/gcd_2+newton_2_4.i [2023-11-19 04:45:44,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:44,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:44,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/sv-benchmarks/c/combinations/gcd_2+newton_2_4.i [2023-11-19 04:45:44,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/data/35776031d/2a2274d587f54a65aa7711177891d047/FLAGe190ffc8e [2023-11-19 04:45:44,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/data/35776031d/2a2274d587f54a65aa7711177891d047 [2023-11-19 04:45:44,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:44,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:44,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:44,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:44,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:44,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d07848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44, skipping insertion in model container [2023-11-19 04:45:44,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:44,692 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_0e395f48-34b8-4905-b2a3-e3671723588b/sv-benchmarks/c/combinations/gcd_2+newton_2_4.i[1226,1239] [2023-11-19 04:45:44,719 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_0e395f48-34b8-4905-b2a3-e3671723588b/sv-benchmarks/c/combinations/gcd_2+newton_2_4.i[2841,2854] [2023-11-19 04:45:44,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:44,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:44,745 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_0e395f48-34b8-4905-b2a3-e3671723588b/sv-benchmarks/c/combinations/gcd_2+newton_2_4.i[1226,1239] [2023-11-19 04:45:44,758 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_0e395f48-34b8-4905-b2a3-e3671723588b/sv-benchmarks/c/combinations/gcd_2+newton_2_4.i[2841,2854] [2023-11-19 04:45:44,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:44,776 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:44,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44 WrapperNode [2023-11-19 04:45:44,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:44,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:44,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:44,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:44,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,816 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-11-19 04:45:44,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:44,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:44,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:44,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:44,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:44,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:44,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:44,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:44,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:44,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:44,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:44,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 04:45:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 04:45:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 04:45:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 04:45:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:45,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:45,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:45,305 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:45,377 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:45,378 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:45:45,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:45 BoogieIcfgContainer [2023-11-19 04:45:45,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:45,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:45,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:45,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:44" (1/3) ... [2023-11-19 04:45:45,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@850a656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:45, skipping insertion in model container [2023-11-19 04:45:45,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44" (2/3) ... [2023-11-19 04:45:45,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@850a656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:45, skipping insertion in model container [2023-11-19 04:45:45,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:45" (3/3) ... [2023-11-19 04:45:45,393 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_2_4.i [2023-11-19 04:45:45,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:45,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:45:45,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:45,469 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;@c1a4e58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:45,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:45:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:45:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:45:45,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:45,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:45:45,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:45,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:45,515 INFO L85 PathProgramCache]: Analyzing trace with hash -499021812, now seen corresponding path program 1 times [2023-11-19 04:45:45,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:45,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107483734] [2023-11-19 04:45:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:45:46,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:45:46,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107483734] [2023-11-19 04:45:46,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107483734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:45:46,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:45:46,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:45:46,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583252554] [2023-11-19 04:45:46,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:45:46,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:45:46,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:45:46,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:45:46,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:45:46,080 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:45:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:45:46,137 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2023-11-19 04:45:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:45:46,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 04:45:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:45:46,150 INFO L225 Difference]: With dead ends: 36 [2023-11-19 04:45:46,150 INFO L226 Difference]: Without dead ends: 21 [2023-11-19 04:45:46,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:45:46,158 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:45:46,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:45:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-19 04:45:46,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-19 04:45:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:45:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-19 04:45:46,191 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2023-11-19 04:45:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:45:46,191 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-19 04:45:46,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:45:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 04:45:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:45:46,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:46,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:46,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:45:46,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:46,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:46,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1643785969, now seen corresponding path program 1 times [2023-11-19 04:45:46,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:46,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097868305] [2023-11-19 04:45:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:46,210 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:45:46,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016287548] [2023-11-19 04:45:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:46,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:45:46,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:46,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:45:46,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:45:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:46,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:45:46,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:45:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:45:46,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:45:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:45:46,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:45:46,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097868305] [2023-11-19 04:45:46,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:45:46,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016287548] [2023-11-19 04:45:46,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016287548] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:45:46,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2016252121] [2023-11-19 04:45:46,983 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-19 04:45:46,983 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:45:46,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:45:46,993 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:45:46,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:45:50,360 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:45:50,635 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '150#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main1_~x~0#1| 127) (<= (+ |ULTIMATE.start_main1_~y~0#1| 1) |ULTIMATE.start_main1_~g~0#1|) (<= 1 |ULTIMATE.start_main1_~y~0#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 (+ |ULTIMATE.start_main1_~x~0#1| 128)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= |ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-19 04:45:50,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 04:45:50,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:45:50,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 04:45:50,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443386362] [2023-11-19 04:45:50,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 04:45:50,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:45:50,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:45:50,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:45:50,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-11-19 04:45:50,643 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2023-11-19 04:45:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:45:50,895 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2023-11-19 04:45:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:45:50,896 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) Word has length 7 [2023-11-19 04:45:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:45:50,897 INFO L225 Difference]: With dead ends: 28 [2023-11-19 04:45:50,897 INFO L226 Difference]: Without dead ends: 23 [2023-11-19 04:45:50,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-19 04:45:50,900 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:45:50,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 83 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:45:50,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-19 04:45:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-19 04:45:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:45:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-19 04:45:50,914 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 7 [2023-11-19 04:45:50,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:45:50,914 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-19 04:45:50,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2023-11-19 04:45:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-19 04:45:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:45:50,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:50,916 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:50,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:45:51,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 04:45:51,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:51,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:51,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1300293201, now seen corresponding path program 2 times [2023-11-19 04:45:51,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:51,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537105062] [2023-11-19 04:45:51,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:51,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:51,153 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:45:51,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754385010] [2023-11-19 04:45:51,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 04:45:51,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:45:51,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:51,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:45:51,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e395f48-34b8-4905-b2a3-e3671723588b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:45:51,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 04:45:51,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 04:45:51,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:45:51,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:16,439 WARN L293 SmtUtils]: Spent 9.54s on a formula simplification. DAG size of input: 219 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 04:46:34,974 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse5 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse16 (mod .cse5 256))) (let ((.cse28 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse11 (not (= .cse16 0))) (.cse12 (<= .cse16 127)) (.cse24 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse6 (+ .cse16 (- 256))) (.cse10 (<= 128 .cse16)) (.cse29 (<= (+ |c_ULTIMATE.start_main1_~y~0#1| 1) 0)) (.cse36 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse20 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse0 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse37 (<= 0 |c_ULTIMATE.start_main1_~y~0#1|))) (or (and (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse4 (+ (mod (+ .cse5 .cse3) 256) (- 256)))) (let ((.cse1 (mod .cse4 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse0 .cse1) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse3 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse3) 256)) (not (= 0 .cse1)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse4) 256) |c_ULTIMATE.start_gcd_test_~a#1|)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse9 (+ (mod (+ .cse5 .cse8) 256) (- 256)))) (let ((.cse7 (mod .cse9 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse0 .cse7) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse8 0)) (not (= 0 .cse7)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse9) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse8) 256) 127)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse10) (and .cse11 .cse12 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse14 (+ (- 256) (mod (+ .cse15 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (let ((.cse13 (mod .cse14 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse13 .cse0) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse14) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse15 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse13 0)) (<= (mod (+ .cse15 .cse5) 256) 127)))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse18 (+ (- 256) (mod (+ .cse19 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (let ((.cse17 (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse17 .cse0) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse18) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse17 0)) (<= 128 (mod (+ .cse19 .cse5) 256))))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))))) .cse20) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse22 (+ (mod (+ .cse5 .cse23) 256) (- 256)))) (let ((.cse21 (mod .cse22 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse21) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (+ .cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse22) .cse23) 256) .cse24) (not (= .cse23 0)) (not (= 0 .cse21)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse23) 256) 127)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse26 (+ (mod (+ .cse5 .cse27) 256) (- 256)))) (let ((.cse25 (mod .cse26 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse25) 256) .cse2) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (+ .cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse26) .cse27) 256) .cse24) (not (= .cse27 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse27) 256)) (not (= 0 .cse25)))))))))) .cse28 .cse10)) .cse29) (and .cse29 .cse28 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse30 (mod .cse32 256))) (and (not (= .cse30 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse30))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse31 0)) (= .cse24 (mod (+ .cse31 (* 255 .cse32)) 256))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse30 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse32) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse33 (mod .cse35 256))) (and (not (= .cse33 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse33))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse34 0)) (= .cse24 (mod (+ .cse34 (* 255 .cse35)) 256))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse35) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) .cse10) (and (or (and .cse36 .cse37 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse38 (mod .cse39 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse38) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse38 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse38 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse39) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse40 (mod .cse41 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse40) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse41) 256)))))))))) (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse42 (mod .cse43 256))) (and (not (= .cse42 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse42) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse42 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse43) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse44 (mod .cse45 256))) (and (not (= .cse44 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse45) 256)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse44) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse44 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) .cse10) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse46 (mod .cse47 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse46) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod (mod .cse46 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 128 (mod (+ .cse47 .cse5) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse48 (mod .cse49 256))) (and (not (= .cse48 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse48) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod (mod .cse48 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse49 .cse5) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse11 .cse12)) .cse29)) .cse20) (and (or (and .cse36 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse50 (mod .cse51 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse50) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse50 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse51) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse52 (+ (- 256) (mod (+ .cse5 .cse53) 256)))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse52) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse52 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse53) 256)))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse54 (+ (- 256) (mod (+ .cse5 .cse55) 256)))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse54) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse55 0)) (= (mod .cse54 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse55) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse56 (mod .cse57 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse56) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse57) 256)) (= (mod .cse56 |c_ULTIMATE.start_gcd_test_~a#1|) 0)))))))) .cse37) (and (or (and .cse11 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse59 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse58 (+ (- 256) (mod (+ .cse59 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse58) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= .cse59 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse58 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= (mod (+ .cse59 .cse5) 256) 127))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse60 (mod .cse61 256))) (and (not (= .cse60 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse60) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse60 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ .cse61 .cse5) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse62 (+ (- 256) (mod (+ .cse63 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse62) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse62 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ .cse63 .cse5) 256)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse65 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse64 (mod .cse65 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse64) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse64 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 128 (mod (+ .cse65 .cse5) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|)))))))) .cse12) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse68 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse66 (mod .cse68 256))) (and (not (= .cse66 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse67 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse66))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse67 0)) (= .cse24 (mod (+ .cse67 (* 255 .cse68)) 256))))) (= (mod .cse66 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse68) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse70 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse69 (mod .cse70 256))) (and (not (= .cse69 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse70) 256)) (= (mod .cse69 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse69) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse71 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse72 (+ (mod (+ .cse5 .cse71) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse71 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse71) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse72) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= 0 (mod .cse72 |c_ULTIMATE.start_gcd_test_~a#1|)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse73 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse74 (+ (mod (+ .cse5 .cse73) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse73 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse74) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse73) 256) 127) (= 0 (mod .cse74 |c_ULTIMATE.start_gcd_test_~a#1|)))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse76 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse75 (mod .cse76 256))) (and (not (= .cse75 0)) (= (mod .cse75 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse75) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse76) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse79 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse77 (mod .cse79 256))) (and (not (= .cse77 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse78 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse77))) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse78 0)) (= .cse24 (mod (+ .cse78 (* 255 .cse79)) 256))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse79) 256)) (= (mod .cse77 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse81 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse82 (+ (mod (+ .cse5 .cse81) 256) (- 256)))) (let ((.cse80 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse82))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse80 0)) (= (mod (+ .cse5 .cse80 .cse81) 256) .cse24) (not (= .cse81 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse81) 256) 127) (= 0 (mod .cse82 |c_ULTIMATE.start_gcd_test_~a#1|))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse84 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse6))) (let ((.cse85 (+ (mod (+ .cse5 .cse84) 256) (- 256)))) (let ((.cse83 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse85))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse83 0)) (= (mod (+ .cse5 .cse83 .cse84) 256) .cse24) (not (= .cse84 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse84) 256)) (= 0 (mod .cse85 |c_ULTIMATE.start_gcd_test_~a#1|)))))))))) .cse10)) .cse29)) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (and .cse36 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int) (|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse88 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse86 (+ (- 256) (mod (+ .cse5 .cse88) 256)))) (let ((.cse87 (mod .cse86 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse86) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse0 .cse87) 256)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (not (= .cse87 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse88) 256))))))) .cse20) (and .cse20 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int) (|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse91 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse89 (+ (- 256) (mod (+ .cse5 .cse91) 256)))) (let ((.cse90 (mod .cse89 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse89) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= .cse2 (mod (+ .cse0 .cse90) 256)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (not (= .cse90 0)) (not (= .cse91 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse91) 256) 127)))))))) .cse37))))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2023-11-19 04:46:42,562 WARN L854 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main1_~g~0#1| 0)) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| 127) (let ((.cse6 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse16 (mod .cse6 256))) (let ((.cse13 (+ 256 |c_ULTIMATE.start_main1_~g~0#1|)) (.cse17 (+ .cse16 (- 256))) (.cse21 (<= 128 .cse16)) (.cse30 (not (= .cse16 0))) (.cse31 (<= .cse16 127)) (.cse11 (<= (+ |c_ULTIMATE.start_main1_~y~0#1| 1) 0)) (.cse0 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse1 (<= 0 |c_ULTIMATE.start_main1_~y~0#1|))) (or (and .cse0 .cse1 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse3 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse2 (mod .cse3 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse2) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse2 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse3) 256)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse4 (+ (- 256) (mod (+ .cse6 .cse5) 256)))) (and (= (mod .cse4 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse5) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse4) 256) |c_ULTIMATE.start_main1_~g~0#1|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse7 (+ (- 256) (mod (+ .cse6 .cse8) 256)))) (and (= (mod .cse7 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse8 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse7) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse8) 256) 127))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse9 (mod .cse10 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse9) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse9 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse9 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse10) 256) 127))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))))) (and (<= (+ |c_ULTIMATE.start_main1_~g~0#1| 1) 0) .cse11 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse12 (mod .cse15 256))) (and (not (= .cse12 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse12))) (and (= .cse13 (mod (+ .cse14 (* 255 .cse15)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse14 0))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse15) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod .cse12 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse20 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse18 (mod .cse20 256))) (and (not (= .cse18 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse18))) (and (= .cse13 (mod (+ .cse19 (* 255 .cse20)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse19 0))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse20) 256) 127) (= (mod (mod .cse18 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0)))))) .cse21) (and .cse11 (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse22 (mod .cse23 256))) (and (= (mod .cse22 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ .cse23 .cse6) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse22) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse25 (+ (- 256) (mod (+ .cse24 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (not (= .cse24 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse25) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse25 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (mod (+ .cse24 .cse6) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse26 (mod .cse27 256))) (and (not (= .cse26 0)) (= (mod .cse26 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse26) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ .cse27 .cse6) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse28 (+ (- 256) (mod (+ .cse29 |c_ULTIMATE.start_main1_~y~0#1|) 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse28) 256) |c_ULTIMATE.start_main1_~g~0#1|) (= (mod .cse28 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= 128 (mod (+ .cse29 .cse6) 256)))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse30 .cse31) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse33 (+ (mod (+ .cse6 .cse34) 256) (- 256)))) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse33))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse32 0)) (= (mod .cse33 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse34 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse34) 256)) (= (mod (+ .cse6 .cse32 .cse34) 256) .cse13)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse35 (mod .cse37 256))) (and (not (= .cse35 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse35))) (and (= .cse13 (mod (+ .cse36 (* 255 .cse37)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse36 0))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse35 |c_ULTIMATE.start_main1_~g~0#1|) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse37) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse38 (+ (mod (+ .cse6 .cse39) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse38 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse39 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse39) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse38) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse40 (mod .cse41 256))) (and (not (= .cse40 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse40 |c_ULTIMATE.start_main1_~g~0#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse40) 256)))) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse41) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse42 (+ (mod (+ .cse6 .cse43) 256) (- 256)))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (= (mod .cse42 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse43 0)) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse43) 256) 127) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse42) 256) |c_ULTIMATE.start_main1_~g~0#1|))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse44 (mod .cse46 256))) (and (not (= .cse44 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse44))) (and (= .cse13 (mod (+ .cse45 (* 255 .cse46)) 256)) (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (not (= .cse45 0))))) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse46) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse44 |c_ULTIMATE.start_main1_~g~0#1|) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse48 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse47 (mod .cse48 256))) (and (not (= .cse47 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse48) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod .cse47 |c_ULTIMATE.start_main1_~g~0#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse47) 256)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= .cse16 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_33|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_33| 1) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse50 (+ (mod (+ .cse6 .cse51) 256) (- 256)))) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse50))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_32| 1) 0) (not (= .cse49 0)) (= (mod .cse50 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse51 0)) (= (mod (+ .cse6 .cse49 .cse51) 256) .cse13) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse51) 256) 127))))))))) .cse21))) (and (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse52 (mod .cse53 256))) (and (not (= .cse52 0)) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse53) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse52) 256)))) (= (mod (mod .cse52 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse17))) (let ((.cse54 (mod .cse55 256))) (and (not (= .cse54 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_33|) (= |c_ULTIMATE.start_main1_~g~0#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse54) 256)))) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse55) 256) 127) (= (mod (mod .cse54 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0)))))) .cse21) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse56 (mod .cse57 256))) (and (= (mod (mod .cse56 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= 128 (mod (+ .cse57 .cse6) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse56) 256) |c_ULTIMATE.start_main1_~g~0#1|))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse59 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| .cse16))) (let ((.cse58 (mod .cse59 256))) (and (not (= .cse58 0)) (= (mod (mod .cse58 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse58) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= (mod (+ .cse59 .cse6) 256) 127))))) (<= .cse16 |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse30 .cse31)) .cse11) (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse60 (mod .cse61 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse60) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (= .cse60 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (= (mod (mod .cse60 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse61) 256) 127))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_33| Int)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| Int)) (let ((.cse63 (mod |v_ULTIMATE.start_gcd_test_~a#1_32| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse62 (mod .cse63 256))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_33| .cse62) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_32|) (<= 128 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse63) 256)) (= (mod (mod .cse62 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_33|)))) .cse1)) (<= 0 |c_ULTIMATE.start_main1_~g~0#1|))))))) is different from false