./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:28:42,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:28:42,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:28:42,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:28:42,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:28:42,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:28:42,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:28:42,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:28:42,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:28:42,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:28:42,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:28:42,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:28:42,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:28:42,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:28:42,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:28:42,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:28:42,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:28:42,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:28:42,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:28:42,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:28:42,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:28:42,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:28:42,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:28:42,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:28:42,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:28:42,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:28:42,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:28:42,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:28:42,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:28:42,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:28:42,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:28:42,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:28:42,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:28:42,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:28:42,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:28:42,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:28:42,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:28:42,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:28:42,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:28:42,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:28:42,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:28:42,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:28:42,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:28:42,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:28:42,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:28:42,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:28:42,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:28:42,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:28:42,552 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:28:42,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:28:42,552 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:28:42,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:28:42,553 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:28:42,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:28:42,554 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:28:42,554 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:28:42,554 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:28:42,554 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:28:42,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:28:42,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:28:42,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:28:42,556 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:28:42,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:28:42,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:28:42,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:28:42,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:28:42,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:28:42,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:28:42,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:28:42,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:28:42,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:28:42,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:28:42,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:28:42,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:28:42,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:28:42,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:28:42,559 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:28:42,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:28:42,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:28:42,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:28:42,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:28:42,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:28:42,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:28:42,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2022-11-03 03:28:42,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:28:42,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:28:42,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:28:42,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:28:42,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:28:42,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/bitvector/gcd_3.c [2022-11-03 03:28:43,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/data/1195e6d9f/4680232af1604263bb445dec54dec9e4/FLAGbc08988a0 [2022-11-03 03:28:43,534 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:28:43,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/sv-benchmarks/c/bitvector/gcd_3.c [2022-11-03 03:28:43,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/data/1195e6d9f/4680232af1604263bb445dec54dec9e4/FLAGbc08988a0 [2022-11-03 03:28:43,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/data/1195e6d9f/4680232af1604263bb445dec54dec9e4 [2022-11-03 03:28:43,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:28:43,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:28:43,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:28:43,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:28:43,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:28:43,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:28:43" (1/1) ... [2022-11-03 03:28:43,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49abaafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:43, skipping insertion in model container [2022-11-03 03:28:43,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:28:43" (1/1) ... [2022-11-03 03:28:43,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:28:43,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:28:44,099 WARN L230 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_0808ea9b-92eb-4af0-ba32-043ae54f32e1/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2022-11-03 03:28:44,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:28:44,122 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:28:44,134 WARN L230 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_0808ea9b-92eb-4af0-ba32-043ae54f32e1/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2022-11-03 03:28:44,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:28:44,153 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:28:44,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44 WrapperNode [2022-11-03 03:28:44,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:28:44,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:28:44,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:28:44,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:28:44,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,189 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2022-11-03 03:28:44,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:28:44,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:28:44,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:28:44,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:28:44,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,209 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:28:44,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:28:44,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:28:44,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:28:44,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (1/1) ... [2022-11-03 03:28:44,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:28:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:28:44,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:28:44,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:28:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:28:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:28:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:28:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:28:44,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:28:44,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:28:44,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:28:44,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:28:44,685 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:28:44,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:44 BoogieIcfgContainer [2022-11-03 03:28:44,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:28:44,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:28:44,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:28:44,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:28:44,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:28:43" (1/3) ... [2022-11-03 03:28:44,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41204f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:44, skipping insertion in model container [2022-11-03 03:28:44,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:28:44" (2/3) ... [2022-11-03 03:28:44,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41204f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:44, skipping insertion in model container [2022-11-03 03:28:44,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:44" (3/3) ... [2022-11-03 03:28:44,717 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3.c [2022-11-03 03:28:44,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:28:44,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:28:44,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:28:44,849 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=LoopsAndPotentialCycles, 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;@1774a954, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:28:44,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:28:44,853 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) [2022-11-03 03:28:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 03:28:44,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:44,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 03:28:44,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 84816067, now seen corresponding path program 1 times [2022-11-03 03:28:44,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:44,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667930876] [2022-11-03 03:28:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:44,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:28:45,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:45,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667930876] [2022-11-03 03:28:45,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667930876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:28:45,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:28:45,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:28:45,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091455512] [2022-11-03 03:28:45,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:28:45,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:28:45,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:28:45,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:28:45,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:28:45,465 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 5 states, 5 states have (on average 1.0) internal successors, (5), 4 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) [2022-11-03 03:28:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:28:45,591 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-03 03:28:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:28:45,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 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 [2022-11-03 03:28:45,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:28:45,603 INFO L225 Difference]: With dead ends: 24 [2022-11-03 03:28:45,604 INFO L226 Difference]: Without dead ends: 7 [2022-11-03 03:28:45,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:28:45,610 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:28:45,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 12 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:28:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-03 03:28:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-03 03:28:45,693 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) [2022-11-03 03:28:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-03 03:28:45,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2022-11-03 03:28:45,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:28:45,696 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-11-03 03:28:45,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 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) [2022-11-03 03:28:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-03 03:28:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:28:45,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:45,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 03:28:45,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:28:45,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1696327067, now seen corresponding path program 1 times [2022-11-03 03:28:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:45,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805609891] [2022-11-03 03:28:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:45,733 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:28:45,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041459166] [2022-11-03 03:28:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:45,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:28:45,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:28:45,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:28:45,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:28:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:45,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:28:45,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:28:51,929 WARN L855 $PredicateComparison]: unable to prove that (or (and (let ((.cse2 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse3 (<= .cse2 127))) (or (and (let ((.cse0 (+ (- 256) .cse2))) (or (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod .cse0 |ULTIMATE.start_gcd_test_#res#1|) 0))) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (let ((.cse1 (mod .cse0 |ULTIMATE.start_gcd_test_#res#1|))) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (not (= .cse1 0)) (= (mod (+ (* 255 |ULTIMATE.start_gcd_test_#res#1|) .cse1) 256) 0) (<= 0 |ULTIMATE.start_gcd_test_#res#1|)))))) (not .cse3)) (and (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= (mod (mod .cse2 |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (<= |ULTIMATE.start_gcd_test_#res#1| 127))) .cse3)))) (< |c_ULTIMATE.start_main_~x~0#1| 0)) (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod (mod |c_ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_gcd_test_#res#1|) 256) 0))))) is different from true [2022-11-03 03:28:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:28:52,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:28:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:28:53,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:53,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805609891] [2022-11-03 03:28:53,450 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:28:53,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041459166] [2022-11-03 03:28:53,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041459166] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:28:53,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1894853254] [2022-11-03 03:28:53,471 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-03 03:28:53,471 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:28:53,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:28:53,481 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:28:53,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:28:53,645 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:28:54,318 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '103#(and (= |ULTIMATE.start_gcd_test_~b#1| 0) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~b#1| 128)) (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_gcd_test_#in~a#1| 127) (<= |ULTIMATE.start_gcd_test_#in~b#1| 127) (<= |ULTIMATE.start_main_~y~0#1| 127) (= |ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= (ite (<= |ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_main_~x~0#1|) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~a#1| 128)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 128)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_#res#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:28:54,318 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:28:54,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:28:54,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-03 03:28:54,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829173028] [2022-11-03 03:28:54,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 03:28:54,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:28:54,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:28:54,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:28:54,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=102, Unknown=1, NotChecked=20, Total=156 [2022-11-03 03:28:54,322 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) [2022-11-03 03:28:57,856 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse3 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse4 (<= .cse3 127))) (let ((.cse10 (+ (- 256) .cse3)) (.cse11 (not .cse4)) (.cse12 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (and (or (<= |c_ULTIMATE.start_main_~g~0#1| |c_ULTIMATE.start_main_~x~0#1|) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse2 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and (or (and (let ((.cse1 (mod (mod .cse3 |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (let ((.cse0 (<= .cse1 127))) (or (and .cse0 (= |c_ULTIMATE.start_gcd_test_~b#1| .cse1)) (and (= .cse2 .cse1) (not .cse0))))) .cse4) (and (let ((.cse5 (mod .cse10 |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse6 (= .cse5 0))) (or (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse5 256)) .cse6) (and (let ((.cse7 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (or (and .cse7 (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse5) 256) .cse2)) (and (let ((.cse9 (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse5) 256))) (let ((.cse8 (<= .cse9 127))) (or (and .cse8 (= |c_ULTIMATE.start_gcd_test_~b#1| .cse9)) (and (= .cse9 .cse2) (not .cse8))))) (not .cse7)))) (not .cse6))))) .cse11)) .cse12) (and (let ((.cse14 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (let ((.cse13 (<= .cse14 127))) (or (and .cse13 (= |c_ULTIMATE.start_gcd_test_~b#1| .cse14)) (and (= .cse14 .cse2) (not .cse13))))) (not .cse12)))) (or (and (or (and (or (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod .cse10 |ULTIMATE.start_gcd_test_#res#1|) 0))) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (let ((.cse15 (mod .cse10 |ULTIMATE.start_gcd_test_#res#1|))) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (not (= .cse15 0)) (= (mod (+ (* 255 |ULTIMATE.start_gcd_test_#res#1|) .cse15) 256) 0) (<= 0 |ULTIMATE.start_gcd_test_#res#1|))))) .cse11) (and (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= (mod (mod .cse3 |ULTIMATE.start_gcd_test_#res#1|) 256) 0) (<= |ULTIMATE.start_gcd_test_#res#1| 127))) .cse4)) .cse12) (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (exists ((|ULTIMATE.start_gcd_test_#res#1| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= (mod (mod |c_ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_gcd_test_#res#1|) 256) 0))))))))) is different from true [2022-11-03 03:28:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:28:58,083 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-03 03:28:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:28:58,083 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 [2022-11-03 03:28:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:28:58,084 INFO L225 Difference]: With dead ends: 12 [2022-11-03 03:28:58,084 INFO L226 Difference]: Without dead ends: 8 [2022-11-03 03:28:58,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=35, Invalid=103, Unknown=2, NotChecked=42, Total=182 [2022-11-03 03:28:58,086 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:28:58,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 13 Unchecked, 1.6s Time] [2022-11-03 03:28:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-03 03:28:58,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-03 03:28:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-11-03 03:28:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-03 03:28:58,090 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-03 03:28:58,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:28:58,091 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-03 03:28:58,091 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) [2022-11-03 03:28:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-03 03:28:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 03:28:58,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:58,092 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-03 03:28:58,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:28:58,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 03:28:58,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:58,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1077189373, now seen corresponding path program 2 times [2022-11-03 03:28:58,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:58,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193287763] [2022-11-03 03:28:58,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:58,324 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:28:58,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840331448] [2022-11-03 03:28:58,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:28:58,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:28:58,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:28:58,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:28:58,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:28:58,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 03:28:58,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:28:58,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-03 03:28:58,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:10,697 WARN L234 SmtUtils]: Spent 10.93s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:29:42,657 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse18 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse5 (not .cse0)) (.cse1 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse8 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse22 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse2 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= .cse1 .cse2) (not (<= .cse2 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse3 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse3) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse4 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse4 0) (<= .cse3 127)))) .cse5) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse6 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< 127 .cse6) (= .cse1 .cse6) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse7) 256) .cse8) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (not (= .cse7 0)))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse9 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse1 .cse9) (not (<= .cse9 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse10 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse10 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse12 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse11 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse11) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse12 .cse8) (not (<= .cse12 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (<= .cse11 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse14 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse13 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse13) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse14) (<= .cse14 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (<= .cse13 127))))) .cse5) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse16 (mod (+ .cse18 .cse17) 256)) (.cse15 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse15) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse16 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse17 0)) (<= .cse16 127) (<= .cse15 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse20 (mod (+ .cse18 .cse21) 256)) (.cse19 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse19) (not (<= .cse20 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse20 .cse8) (not (= .cse21 0)) (<= .cse19 127)))))) .cse5)) (not .cse22)) (and (let ((.cse25 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse31 (<= .cse25 127))) (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse23 (mod (+ .cse18 .cse24) 256))) (and (not (<= .cse23 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse23 .cse8) (not (= .cse24 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse25 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse26 (mod (+ .cse18 .cse27) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse26 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse27 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse25 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (<= .cse26 127)))))) .cse5) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse28 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse25 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= .cse28 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse29 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse29 .cse8) (not (<= .cse29 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse25 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse30 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse30) (<= .cse30 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse25 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)))))) .cse5)) .cse31) (and (not .cse31) (let ((.cse33 (+ (- 256) .cse25))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse32 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse32 0)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse1 (mod (+ .cse32 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_28|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))))) (and .cse5 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse35 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse34 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod .cse34 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= .cse35 .cse8) (not (<= .cse35 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse34 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse36 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse37 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse36) (<= .cse36 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod .cse37 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse37 0)))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse38 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|)) (.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse1 (mod (+ .cse38 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse39 256)) (not (= .cse38 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse39 0))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse41 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse40 256)) (= (mod .cse41 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse40 0) (= .cse41 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse42 (mod (+ .cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) 256)) (.cse43 (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (<= .cse42 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse42 .cse8) (= (mod .cse43 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= .cse43 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse44 (mod (+ .cse18 .cse45) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse44 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse45 0)) (<= .cse44 127) (= (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|) 0)))))) .cse5) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse1 (mod (+ (mod .cse33 |v_ULTIMATE.start_gcd_test_~a#1_28|) |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse46) 256) .cse8) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (not (= .cse46 0))))) .cse0))))))) .cse22)))) is different from false [2022-11-03 03:29:47,162 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse6 (< |c_ULTIMATE.start_main_~g~0#1| 0))) (let ((.cse2 (* 255 |c_ULTIMATE.start_main_~g~0#1|)) (.cse3 (not .cse6)) (.cse5 (+ 256 |c_ULTIMATE.start_main_~g~0#1|)) (.cse0 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (not .cse0) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|))) (and (not (= .cse1 0)) (= 0 (mod (+ .cse1 .cse2) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256) |c_ULTIMATE.start_main_~g~0#1|)))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (not (<= .cse4 127)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse4 .cse5)))) .cse6) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse7 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (not (<= .cse7 127)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 256) 0) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse7 .cse5)))) .cse6) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256) |c_ULTIMATE.start_main_~g~0#1|))) .cse3) (and (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_~g~0#1|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256) |c_ULTIMATE.start_main_~g~0#1|))) .cse3))) (and (let ((.cse8 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse10 (<= .cse8 127))) (or (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 0) (= |c_ULTIMATE.start_main_~g~0#1| (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|))) (and (not (= .cse9 0)) (= |c_ULTIMATE.start_main_~g~0#1| (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= 0 (mod (+ .cse9 .cse2) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))) .cse3) (and (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_~g~0#1|) 256) 0) (= |c_ULTIMATE.start_main_~g~0#1| (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))) .cse3)) .cse10) (and (let ((.cse12 (+ (- 256) .cse8))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse11 (mod .cse12 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= (mod .cse11 256) |c_ULTIMATE.start_main_~g~0#1|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse11 0)))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse13 (mod .cse12 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= .cse5 (mod (+ .cse13 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_28|)) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 256) 0) (not (= .cse13 0)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0))))) .cse6) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|))) (and (not (= .cse14 0)) (= 0 (mod (+ .cse14 .cse2) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= (mod .cse12 |v_ULTIMATE.start_gcd_test_~a#1_28|) 0)))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse15 (mod .cse12 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= (mod .cse15 256) |c_ULTIMATE.start_main_~g~0#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse15 0)))) .cse3) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse16 (mod .cse12 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_main_~g~0#1|) 0) (= (mod (+ .cse16 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256) .cse5) (not (= .cse16 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0))))))) (not .cse10))))) .cse0)))) (<= |c_ULTIMATE.start_main_~g~0#1| 127)) is different from false [2022-11-03 03:29:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 03:29:48,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:30:10,912 WARN L833 $PredicateComparison]: unable to prove that (or (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse18 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse5 (not .cse0))) (and (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse1 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse2 (mod .cse1 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse1) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse1) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse2) 256) 0)) (<= .cse2 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse2 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse4 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse3) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse3) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse4) 256) 0)) (not (<= .cse4 127)) (<= .cse4 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse3 256) 127))))) .cse5) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse6 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse7 (mod .cse6 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse6) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse6) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse7) 256) 0)) (<= .cse7 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse7 127)))))) .cse0) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse9 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse8 (mod .cse9 256))) (or (< 127 .cse8) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse9) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse8) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse9) 256)) (<= .cse8 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse10 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse11 (mod .cse10 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse10) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse11) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse10) 256) 127)) (<= .cse11 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse11 127))))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse12 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse12) 256))) (or (< 127 (mod .cse12 256)) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse12) 256) 127) (= .cse12 0) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse13) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse13) 256) 0)) (<= .cse13 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse14 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse15 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse14) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse14) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse15) 256) 0)) (not (<= .cse15 127)) (<= .cse15 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse14 256) 127))))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse17 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod .cse17 256))) (or (< 127 .cse16) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse17) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse17) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse16) 256) 0)) (<= .cse16 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse18 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse20 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse19) 256))) (or (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse19) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse20) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse20) 256) 0)) (<= .cse20 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse19 256) 127)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse22 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse22) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse21) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse22) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0)) (<= .cse21 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse22 256) 127))))) .cse18) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse23 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod .cse23 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse23) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse24) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse23) 256) 127)) (<= .cse24 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse24 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse26 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse26) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse25) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse26) 256) 127) (= .cse26 0) (not (<= .cse25 127)) (<= .cse25 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse26 256) 127)))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse28 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod .cse28 256))) (or (< 127 .cse27) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse28) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse27) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse28) 256)) (<= .cse27 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse29 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse29) 256))) (or (< 127 (mod .cse29 256)) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse30) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse29) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse30) 256) 0)) (<= .cse30 |c_ULTIMATE.start_main_~x~0#1|)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse32 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse31 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse32) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse31) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse32) 256) 127) (not (<= .cse31 127)) (<= .cse31 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse32 256) 127))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse33 (mod .cse34 256))) (or (< 127 .cse33) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse34) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse34) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse33) 256) 0)) (<= .cse33 |c_ULTIMATE.start_main_~x~0#1|))))))))) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|))) is different from false [2022-11-03 03:30:12,927 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse18 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse5 (not .cse0))) (and (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse1 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse2 (mod .cse1 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse1) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse1) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse2) 256) 0)) (<= .cse2 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse2 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse4 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse3) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse3) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse4) 256) 0)) (not (<= .cse4 127)) (<= .cse4 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse3 256) 127))))) .cse5) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse6 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse7 (mod .cse6 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse6) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse6) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse7) 256) 0)) (<= .cse7 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse7 127)))))) .cse0) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse9 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse8 (mod .cse9 256))) (or (< 127 .cse8) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse9) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse8) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse9) 256)) (<= .cse8 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse10 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse11 (mod .cse10 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse10) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse11) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse10) 256) 127)) (<= .cse11 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse11 127))))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse12 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse12) 256))) (or (< 127 (mod .cse12 256)) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse12) 256) 127) (= .cse12 0) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse13) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse13) 256) 0)) (<= .cse13 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse14 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse15 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse14) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse14) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse15) 256) 0)) (not (<= .cse15 127)) (<= .cse15 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse14 256) 127))))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse17 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod .cse17 256))) (or (< 127 .cse16) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse17) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse17) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse16) 256) 0)) (<= .cse16 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse18 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse20 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse19) 256))) (or (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse19) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse20) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse20) 256) 0)) (<= .cse20 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse19 256) 127)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse22 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse22) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse21) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse22) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0)) (<= .cse21 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse22 256) 127))))) .cse18) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse23 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod .cse23 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse23) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse24) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse23) 256) 127)) (<= .cse24 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse24 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse26 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse26) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse25) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse26) 256) 127) (= .cse26 0) (not (<= .cse25 127)) (<= .cse25 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse26 256) 127)))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse28 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod .cse28 256))) (or (< 127 .cse27) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse28) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse27) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse28) 256)) (<= .cse27 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse29 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse29) 256))) (or (< 127 (mod .cse29 256)) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse30) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse29) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse30) 256) 0)) (<= .cse30 |c_ULTIMATE.start_main_~x~0#1|)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse32 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse31 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse32) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse31) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse32) 256) 127) (not (<= .cse31 127)) (<= .cse31 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse32 256) 127))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse33 (mod .cse34 256))) (or (< 127 .cse33) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse34) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse34) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse33) 256) 0)) (<= .cse33 |c_ULTIMATE.start_main_~x~0#1|))))))))) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|))) is different from true [2022-11-03 03:30:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 03:30:12,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193287763] [2022-11-03 03:30:12,930 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:30:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840331448] [2022-11-03 03:30:12,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840331448] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:30:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [536230310] [2022-11-03 03:30:12,932 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-03 03:30:12,933 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:30:12,933 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:30:12,933 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:30:12,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:30:13,085 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:15,169 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '182#(and (= |ULTIMATE.start_gcd_test_~b#1| 0) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~b#1| 128)) (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_gcd_test_#in~a#1| 127) (<= |ULTIMATE.start_gcd_test_#in~b#1| 127) (<= |ULTIMATE.start_main_~y~0#1| 127) (= |ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= (ite (<= |ULTIMATE.start_main_~g~0#1| |ULTIMATE.start_main_~x~0#1|) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~a#1| 128)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 128)) (<= |ULTIMATE.start_gcd_test_#res#1| 127) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_#res#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:30:15,170 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:15,170 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:30:15,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-03 03:30:15,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944518533] [2022-11-03 03:30:15,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:15,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 03:30:15,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:15,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 03:30:15,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=100, Unknown=4, NotChecked=66, Total=210 [2022-11-03 03:30:15,172 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:30:17,631 WARN L833 $PredicateComparison]: unable to prove that (and (or (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse18 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse5 (not .cse0))) (and (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse1 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse2 (mod .cse1 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse1) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse1) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse2) 256) 0)) (<= .cse2 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse2 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse4 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse3) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse3) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse4) 256) 0)) (not (<= .cse4 127)) (<= .cse4 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse3 256) 127))))) .cse5) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse6 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse7 (mod .cse6 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse6) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse6) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse7) 256) 0)) (<= .cse7 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse7 127)))))) .cse0) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse9 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse8 (mod .cse9 256))) (or (< 127 .cse8) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse9) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse8) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse9) 256)) (<= .cse8 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse10 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse11 (mod .cse10 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse10) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse11) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse10) 256) 127)) (<= .cse11 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse11 127))))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse12 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse12) 256))) (or (< 127 (mod .cse12 256)) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse12) 256) 127) (= .cse12 0) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse13) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse13) 256) 0)) (<= .cse13 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse14 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse15 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse14) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse14) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse15) 256) 0)) (not (<= .cse15 127)) (<= .cse15 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse14 256) 127))))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse17 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod .cse17 256))) (or (< 127 .cse16) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse17) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse17) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse16) 256) 0)) (<= .cse16 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse18 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse20 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse19) 256))) (or (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse19) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse20) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse20) 256) 0)) (<= .cse20 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse19 256) 127)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse22 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse22) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse21) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse22) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0)) (<= .cse21 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse22 256) 127))))) .cse18) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse23 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod .cse23 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse23) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse24) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse23) 256) 127)) (<= .cse24 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse24 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse26 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse26) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse25) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse26) 256) 127) (= .cse26 0) (not (<= .cse25 127)) (<= .cse25 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse26 256) 127)))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse28 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod .cse28 256))) (or (< 127 .cse27) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse28) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse27) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse28) 256)) (<= .cse27 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse29 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse29) 256))) (or (< 127 (mod .cse29 256)) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse30) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse29) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse30) 256) 0)) (<= .cse30 |c_ULTIMATE.start_main_~x~0#1|)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse32 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse31 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse32) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse31) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse32) 256) 127) (not (<= .cse31 127)) (<= .cse31 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse32 256) 127))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse33 (mod .cse34 256))) (or (< 127 .cse33) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse34) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse34) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse33) 256) 0)) (<= .cse33 |c_ULTIMATE.start_main_~x~0#1|))))))))) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse35 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (not .cse35) (= |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_gcd_test_~a#1|)) (and (let ((.cse36 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse37 (<= .cse36 127))) (or (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse36) .cse37) (and (not .cse37) (= (+ |c_ULTIMATE.start_gcd_test_~a#1| 256) .cse36))))) .cse35)))) is different from false [2022-11-03 03:30:19,647 WARN L855 $PredicateComparison]: unable to prove that (and (or (let ((.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse18 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse5 (not .cse0))) (and (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse1 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse2 (mod .cse1 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse1) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse1) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse2) 256) 0)) (<= .cse2 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse2 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse3 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse4 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse3) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse3) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse4) 256) 0)) (not (<= .cse4 127)) (<= .cse4 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse3 256) 127))))) .cse5) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse6 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse7 (mod .cse6 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse6) 256) 127)) (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse6) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse7) 256) 0)) (<= .cse7 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse7 127)))))) .cse0) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse9 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse8 (mod .cse9 256))) (or (< 127 .cse8) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse9) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse8) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse9) 256)) (<= .cse8 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse10 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse11 (mod .cse10 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse10) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse11) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse10) 256) 127)) (<= .cse11 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse11 127))))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse12 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse12) 256))) (or (< 127 (mod .cse12 256)) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse12) 256) 127) (= .cse12 0) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse13) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse13) 256) 0)) (<= .cse13 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse14 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse15 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse14) 256))) (or (not (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse14) 256) 127)) (= |ULTIMATE.start_gcd_test_~b#1| 0) (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse15) 256) 0)) (not (<= .cse15 127)) (<= .cse15 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse14 256) 127))))))) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse17 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod .cse17 256))) (or (< 127 .cse16) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse17) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse17) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse16) 256) 0)) (<= .cse16 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse18 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse20 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse19) 256))) (or (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse19) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse20) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse20) 256) 0)) (<= .cse20 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse19 256) 127)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse22 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse22) 256))) (or (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse21) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse22) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0)) (<= .cse21 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse22 256) 127))))) .cse18) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse23 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod .cse23 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse23) 256) 127) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse24) 256) 0)) (not (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse23) 256) 127)) (<= .cse24 |c_ULTIMATE.start_main_~x~0#1|) (not (<= .cse24 127))))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse26 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse26) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse25) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse26) 256) 127) (= .cse26 0) (not (<= .cse25 127)) (<= .cse25 |c_ULTIMATE.start_main_~x~0#1|) (not (<= (mod .cse26 256) 127)))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse28 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod .cse28 256))) (or (< 127 .cse27) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse28) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse27) 256) 0)) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse28) 256)) (<= .cse27 |c_ULTIMATE.start_main_~x~0#1|)))))) (or .cse5 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse29 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse30 (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse29) 256))) (or (< 127 (mod .cse29 256)) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (< 127 .cse30) (< 127 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse29) 256)) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse30) 256) 0)) (<= .cse30 |c_ULTIMATE.start_main_~x~0#1|)))))) (or (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse32 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse31 (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse32) 256))) (or (< |ULTIMATE.start_gcd_test_~b#1| 0) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse31) 256) 0)) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse32) 256) 127) (not (<= .cse31 127)) (<= .cse31 |c_ULTIMATE.start_main_~x~0#1|) (<= (mod .cse32 256) 127))))) .cse5) (or .cse0 (forall ((|ULTIMATE.start_gcd_test_~b#1| Int)) (let ((.cse34 (mod |c_ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse33 (mod .cse34 256))) (or (< 127 .cse33) (<= (mod (+ (* |ULTIMATE.start_gcd_test_~b#1| 255) .cse34) 256) 127) (<= (mod (+ |ULTIMATE.start_gcd_test_~b#1| .cse34) 256) 127) (<= 0 |ULTIMATE.start_gcd_test_~b#1|) (not (= (mod (mod |ULTIMATE.start_gcd_test_~b#1| .cse33) 256) 0)) (<= .cse33 |c_ULTIMATE.start_main_~x~0#1|))))))))) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse35 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (not .cse35) (= |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_gcd_test_~a#1|)) (and (let ((.cse36 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse37 (<= .cse36 127))) (or (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse36) .cse37) (and (not .cse37) (= (+ |c_ULTIMATE.start_gcd_test_~a#1| 256) .cse36))))) .cse35)))) is different from true [2022-11-03 03:30:22,993 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (not (< 0 |c_ULTIMATE.start_main_~x~0#1|)))) (and (or .cse0 (<= |c_ULTIMATE.start_gcd_test_~b#1| |c_ULTIMATE.start_main_~x~0#1|) (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|) 256) 0)) (not (<= |c_ULTIMATE.start_gcd_test_~b#1| 127))) (let ((.cse1 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse19 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse6 (not .cse1)) (.cse2 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse9 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse23 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (or (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse3 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= .cse2 .cse3) (not (<= .cse3 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse4) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse5 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse5 0) (<= .cse4 127)))) .cse6) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse7 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< 127 .cse7) (= .cse2 .cse7) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse8) 256) .cse9) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (not (= .cse8 0)))))) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse10 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 .cse10) (not (<= .cse10 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse11 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse11 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse13 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse12 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse12) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse13 .cse9) (not (<= .cse13 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (<= .cse12 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse15 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse14 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse14) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse15) (<= .cse15 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (<= .cse14 127))))) .cse6) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse17 (mod (+ .cse19 .cse18) 256)) (.cse16 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse16) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse17 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse18 0)) (<= .cse17 127) (<= .cse16 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse21 (mod (+ .cse19 .cse22) 256)) (.cse20 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse20) (not (<= .cse21 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse21 .cse9) (not (= .cse22 0)) (<= .cse20 127)))))) .cse6)) (not .cse23)) (and (let ((.cse26 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse32 (<= .cse26 127))) (or (and (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse25 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse24 (mod (+ .cse19 .cse25) 256))) (and (not (<= .cse24 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse24 .cse9) (not (= .cse25 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse27 (mod (+ .cse19 .cse28) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse27 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse28 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (<= .cse27 127)))))) .cse6) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse29 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= .cse29 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse30 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse30 .cse9) (not (<= .cse30 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse31 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse31) (<= .cse31 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)))))) .cse6)) .cse32) (and (not .cse32) (let ((.cse34 (+ (- 256) .cse26))) (or (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse33 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse33 0)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse2 (mod (+ .cse33 (* 255 |v_ULTIMATE.start_gcd_test_~a#1_28|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)))))) (and .cse6 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse36 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse35 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod .cse35 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= .cse36 .cse9) (not (<= .cse36 127)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse35 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse37 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (.cse38 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse37) (<= .cse37 127) (not (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= (mod .cse38 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse38 0)))))) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse39 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|)) (.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ .cse39 |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse40 256)) (not (= .cse39 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse40 0))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse42 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse41 256)) (= (mod .cse42 256) |c_ULTIMATE.start_gcd_test_~a#1|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_28| 0)) (= .cse41 0) (= .cse42 0))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse43 (mod (+ .cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|)) 256)) (.cse44 (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (<= .cse43 127)) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse43 .cse9) (= (mod .cse44 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= .cse44 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse45 (mod (+ .cse19 .cse46) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (= .cse45 |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse46 0)) (<= .cse45 127) (= (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|) 0)))))) .cse6) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 (mod (+ (mod .cse34 |v_ULTIMATE.start_gcd_test_~a#1_28|) |v_ULTIMATE.start_gcd_test_~a#1_28|) 256)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse47) 256) .cse9) (< |v_ULTIMATE.start_gcd_test_~a#1_28| 0) (not (= .cse47 0))))) .cse1))))))) .cse23)))) (or (<= |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_main_~x~0#1|) (not (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) .cse0 (not (<= |c_ULTIMATE.start_gcd_test_~a#1| 127))))) is different from false [2022-11-03 03:33:03,661 WARN L234 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 107 DAG size of output: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:33:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:04,701 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-03 03:33:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:33:04,702 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 03:33:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:04,703 INFO L225 Difference]: With dead ends: 16 [2022-11-03 03:33:04,703 INFO L226 Difference]: Without dead ends: 10 [2022-11-03 03:33:04,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 190.1s TimeCoverageRelationStatistics Valid=59, Invalid=162, Unknown=9, NotChecked=150, Total=380 [2022-11-03 03:33:04,705 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:04,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 21 Unchecked, 1.5s Time] [2022-11-03 03:33:04,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-03 03:33:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-03 03:33:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2022-11-03 03:33:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-03 03:33:04,716 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2022-11-03 03:33:04,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:04,717 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-03 03:33:04,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:33:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-03 03:33:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 03:33:04,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:04,718 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2022-11-03 03:33:04,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:04,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:04,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:04,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1072920253, now seen corresponding path program 3 times [2022-11-03 03:33:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:04,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193471197] [2022-11-03 03:33:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:04,940 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:04,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321203756] [2022-11-03 03:33:04,950 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:33:04,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:04,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:04,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0808ea9b-92eb-4af0-ba32-043ae54f32e1/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:33:05,101 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:33:05,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:33:05,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 03:33:05,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:10,119 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse0 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (or (and (not .cse0) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse1 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse1 127)) (= .cse1 .cse2)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse3 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse3 127) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse3 |c_ULTIMATE.start_gcd_test_~b#1|)))))) (and (let ((.cse4 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse5 (<= .cse4 127))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= (mod (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256) |c_ULTIMATE.start_gcd_test_~b#1|))) .cse5) (and (let ((.cse7 (+ (- 256) .cse4))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse6 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse6 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse2 (mod (+ .cse6 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse8 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse8 256)) (= .cse8 0) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse9 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (= (mod (+ .cse9 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256) .cse2) (not (= .cse9 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse10 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse10 256)) (= .cse10 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| |v_ULTIMATE.start_gcd_test_~b#1_31|)))))) (not .cse5))))) .cse0))) is different from true [2022-11-03 03:33:21,598 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse2 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256)) (.cse0 (< |c_ULTIMATE.start_main_~x~0#1| 0))) (let ((.cse15 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse6 (not .cse0)) (.cse4 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse5 (<= .cse2 127))) (or (and (let ((.cse3 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse1 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= (mod (+ .cse3 .cse1) 256) .cse4)))) .cse5) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse7 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse7 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse7 |c_ULTIMATE.start_gcd_test_~a#1|)))) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse8 256)) (= .cse8 0))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))) .cse0 .cse5) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse11 (mod (+ .cse3 .cse9) 256))) (and (not (= .cse9 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse10 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse10 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse10 |c_ULTIMATE.start_gcd_test_~a#1|)))) (= .cse11 .cse4) (not (<= .cse11 127))))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse12 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse12 127) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse13 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse13 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse13 |c_ULTIMATE.start_gcd_test_~a#1|)))) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse12) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse14 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse14 0)))) .cse0 .cse5))) (not .cse15)) (and .cse15 (let ((.cse21 (+ (- 256) .cse2)) (.cse16 (not .cse5)) (.cse19 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256))) (or (and .cse16 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse18 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse17) 256))) (and (not (= .cse17 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= .cse18 .cse4) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse20 (mod .cse21 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (= .cse19 (mod (+ .cse20 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256)) (not (= .cse20 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|)))) (not (<= .cse18 127)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse23 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse22) 256))) (and (not (= .cse22 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= .cse23 .cse4) (not (<= .cse23 127)) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse24 (mod .cse21 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse24 0)) (= .cse19 (mod (+ .cse24 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))))))))) .cse0) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse25 (mod .cse21 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (= .cse19 (mod (+ .cse25 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256)) (not (= .cse25 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|)))) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse26 256)) (= .cse26 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse27 256)) (= .cse27 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse28 (mod .cse21 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse28 0)) (= .cse19 (mod (+ .cse28 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|)))))))) .cse16 .cse0) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse29 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse29 127) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse29) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse30 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse19 .cse30) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse30 127))))))))) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse31 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse31 256)) (= .cse31 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse32 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse19 .cse32) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse32 127))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse33 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse33 127) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse33) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse34 (mod .cse21 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse34 0)) (= .cse19 (mod (+ .cse34 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0))))) .cse16 .cse0) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse36 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse35) 256))) (and (not (= .cse35 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= .cse36 .cse4) (not (<= .cse36 127)) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse37 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse19 .cse37) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse37 127)))))))))))))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-11-03 03:33:49,844 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse26 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse27 (<= .cse26 127)) (.cse13 (< |c_ULTIMATE.start_main_~x~0#1| 0)) (.cse14 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse11 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse1 (not .cse14)) (.cse0 (not .cse13)) (.cse16 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse12 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse7 (+ (- 256) .cse26)) (.cse3 (not .cse27))) (or (and .cse0 .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse2 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= .cse2 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse2) 256)) (<= .cse2 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse2 |c_ULTIMATE.start_gcd_test_~a#1|) 256)))))) (and .cse3 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse5 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse6 (+ (- 256) (mod (+ .cse5 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse4 (mod .cse6 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse4 0) (= (mod .cse4 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse5 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse6) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0))))))) .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse8 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse9 (+ (- 256) (mod (+ .cse8 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse10 (mod .cse9 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse8 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse9) 256)) (= (mod (+ .cse10 .cse11) 256) .cse12) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse10 0))))))) .cse1)) .cse13) (and .cse0 .cse14 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse15 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse15))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse15 0)) (= .cse16 (mod (+ .cse17 (* .cse15 255)) 256)) (not (= .cse17 0)) (<= .cse15 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse15 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))))) (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse19 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse21 (+ .cse19 (- 256)))) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse21)) (.cse20 (mod .cse21 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse18 0)) (= .cse16 (mod (+ .cse19 .cse18) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse20 0) (not (<= .cse19 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse20 256))))))) .cse14) (and .cse14 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse23 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse24 (+ .cse23 (- 256)))) (let ((.cse22 (mod .cse24 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse12 (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse22) 256)) (= .cse16 (mod (+ .cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse24)) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse22 0)) (not (<= .cse23 127)))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse25 (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (and (not (= .cse25 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse25) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse25 |c_ULTIMATE.start_gcd_test_~a#1|) 256))))) .cse1 .cse13 .cse27) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse30 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse28 (+ .cse30 (- 256)))) (let ((.cse29 (mod .cse28 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse28) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse29 0) (not (<= .cse30 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse29 256))))))) .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse33 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse32 (+ .cse33 (- 256)))) (let ((.cse31 (mod .cse32 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse12 (mod (+ .cse11 .cse31) 256)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse32) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse31 0)) (not (<= .cse33 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0))))))) .cse1)) .cse0) (and .cse14 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse35 (mod (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse35))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= 0 .cse34)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse16 (mod (+ (* .cse35 255) .cse34) 256)) (not (= .cse35 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse35 |c_ULTIMATE.start_gcd_test_~a#1|) 256)))))) .cse13 .cse27) (and (or (and .cse14 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse37 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse38 (mod (+ .cse37 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse40 (+ (- 256) .cse38))) (let ((.cse36 (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse40))) (and (= .cse36 0) (not (= .cse37 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse36 256)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (= .cse16 (mod (+ .cse38 .cse39) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse39 0)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse44 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse42 (mod (+ .cse44 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))) (let ((.cse45 (+ (- 256) .cse42))) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse45)) (.cse43 (mod .cse45 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= .cse41 0)) (= .cse16 (mod (+ .cse41 .cse42) 256)) (= .cse43 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod .cse43 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse44 0)))))))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse49 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse47 (mod (+ .cse49 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))) (let ((.cse46 (+ (- 256) .cse47))) (let ((.cse48 (mod .cse46 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= .cse16 (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse46) .cse47) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (+ .cse48 |c_ULTIMATE.start_gcd_test_~a#1|) 256) .cse12) (not (= .cse49 0)) (not (= .cse48 0)))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse51 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse52 (mod (+ .cse51 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse53 (+ (- 256) .cse52))) (let ((.cse50 (mod .cse53 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (= .cse50 0)) (not (= .cse51 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (= .cse16 (mod (+ .cse52 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse53)) 256)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse50) 256) .cse12)))))))) .cse14)) .cse3 .cse13))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-11-03 03:34:32,755 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse8 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse9 (< |c_ULTIMATE.start_main_~x~0#1| 0)) (.cse10 (<= .cse8 127)) (.cse17 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse24 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse0 (not .cse17)) (.cse26 (+ (- 256) .cse8)) (.cse33 (not .cse10)) (.cse18 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse1 (not .cse9))) (or (and .cse0 (or (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse3 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse4) 256))) (let ((.cse2 (mod .cse3 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse2 0) (not (= .cse3 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse4 .cse3) 256)) (= (mod .cse2 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= .cse4 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse5 (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse6 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse5) 256))) (let ((.cse7 (mod .cse6 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse5 .cse6) 256)) (= .cse7 0) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= (mod .cse7 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse6 0))))))) .cse9 .cse10) (and .cse9 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse12 (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse13 (+ (- 256) (mod (+ (* .cse12 255) (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse12)) 256)))) (let ((.cse11 (mod .cse13 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse11 0) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (mod .cse12 .cse13) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse11 256))))))) .cse10) (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse14 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse15 (+ (- 256) (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse14) (* .cse14 255)) 256)))) (let ((.cse16 (mod .cse15 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse14 .cse15) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse16 0) (= (mod .cse16 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= .cse14 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|))))))))) (and .cse17 (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse22 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse25 (mod (+ .cse22 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))) (let ((.cse19 (+ (- 256) .cse25))) (let ((.cse21 (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse19) .cse25) 256))) (let ((.cse20 (+ (- 256) .cse21))) (let ((.cse23 (mod .cse20 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse18 (mod (+ (mod .cse19 .cse20) .cse21) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse22 0)) (= (mod (+ .cse23 |c_ULTIMATE.start_gcd_test_~a#1|) 256) .cse24) (not (= .cse23 0)))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse30 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse32 (mod (+ .cse30 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse27 (+ (- 256) .cse32))) (let ((.cse29 (mod (+ .cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse27)) 256))) (let ((.cse28 (+ (- 256) .cse29))) (let ((.cse31 (mod .cse28 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse18 (mod (+ (mod .cse27 .cse28) .cse29) 256)) (not (= .cse30 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse31) 256) .cse24) (not (= .cse31 0))))))))))) .cse33 .cse9) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse38 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse34 (+ .cse38 (- 256)))) (let ((.cse36 (mod (+ .cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse34)) 256))) (let ((.cse35 (+ .cse36 (- 256)))) (let ((.cse37 (mod .cse35 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse18 (mod (+ (mod .cse34 .cse35) .cse36) 256)) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse37) 256) .cse24) (not (= .cse37 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse38 127)))))))))))) (and .cse0 (let ((.cse41 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse39 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse40 (+ (- 256) (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse39) (* .cse39 255)) 256)))) (let ((.cse42 (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse39 .cse40) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= .cse24 (mod (+ .cse41 .cse42) 256)) (<= .cse39 127) (not (= .cse42 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|)))))) .cse1) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse44 (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse45 (+ (- 256) (mod (+ (* .cse44 255) (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse44)) 256)))) (let ((.cse43 (mod .cse45 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod (+ .cse43 .cse41) 256) .cse24) (= (mod (mod .cse44 .cse45) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse43 0))))))) .cse9 .cse10)))) (and .cse17 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse48 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse49 (+ (- 256) (mod (+ .cse48 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse47 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse49) 256))) (let ((.cse46 (mod .cse49 .cse47))) (and (not (= .cse46 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse47 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse48 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse47 0)) (= .cse18 (mod (+ .cse46 (* 255 .cse47)) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))))))) .cse33 .cse9) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse52 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse53 (+ .cse52 (- 256)))) (let ((.cse51 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse53) 256))) (let ((.cse50 (mod .cse53 .cse51))) (and (= .cse18 (mod (+ .cse50 (* 255 .cse51)) 256)) (not (= .cse51 0)) (= (mod (mod .cse51 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse52 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse50 0))))))))))) (and .cse0 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse54 (mod (mod .cse8 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse55 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse54) 256))) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse54 .cse55) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= (mod (mod .cse55 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse55 0)))))) .cse9 .cse10) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse57 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse56 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse57) 256))) (and (not (= .cse56 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse57 .cse56) 256)) (= (mod (mod .cse56 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= .cse57 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))))) .cse1))) (and .cse17 (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse60 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse64 (mod (+ .cse60 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))) (let ((.cse63 (+ (- 256) .cse64))) (let ((.cse59 (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse63) .cse64) 256))) (let ((.cse62 (+ (- 256) .cse59))) (let ((.cse58 (mod .cse63 .cse62)) (.cse61 (mod .cse62 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse18 (mod (+ .cse58 .cse59) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= .cse58 0)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse60 0)) (= .cse61 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse61 256)))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse68 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse71 (mod (+ .cse68 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse70 (+ (- 256) .cse71))) (let ((.cse67 (mod (+ .cse71 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse70)) 256))) (let ((.cse69 (+ (- 256) .cse67))) (let ((.cse66 (mod .cse70 .cse69)) (.cse65 (mod .cse69 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse65 0) (= .cse18 (mod (+ .cse66 .cse67) 256)) (not (= .cse66 0)) (not (= .cse68 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse65 256))))))))))) .cse33 .cse9) (and .cse1 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse75 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse76 (+ .cse75 (- 256)))) (let ((.cse73 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse76) 256))) (let ((.cse74 (mod .cse73 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse72 (mod .cse76 .cse73))) (and (= .cse18 (mod (+ .cse72 (* 255 .cse73)) 256)) (not (= .cse73 0)) (= (mod .cse74 256) |c_ULTIMATE.start_gcd_test_~b#1|) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse74 0) (not (<= .cse75 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse72 0))))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse79 (mod .cse26 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse81 (+ (- 256) (mod (+ .cse79 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse80 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse81) 256))) (let ((.cse78 (mod .cse80 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse77 (mod .cse81 .cse80))) (and (not (= .cse77 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse78 256)) (not (= .cse79 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= .cse78 0) (not (= .cse80 0)) (= .cse18 (mod (+ .cse77 (* 255 .cse80)) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)))))))) .cse33 .cse9) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse85 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse87 (+ .cse85 (- 256)))) (let ((.cse84 (mod (+ .cse85 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse87)) 256))) (let ((.cse86 (+ .cse84 (- 256)))) (let ((.cse83 (mod .cse87 .cse86)) (.cse82 (mod .cse86 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse82 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (= .cse83 0)) (= .cse18 (mod (+ .cse83 .cse84) 256)) (= .cse82 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse85 127))))))))) .cse1))))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-11-03 03:34:48,944 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse12 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse8 (< |c_ULTIMATE.start_main_~x~0#1| 0)) (.cse13 (<= .cse12 127))) (let ((.cse7 (+ (- 256) .cse12)) (.cse0 (not .cse13)) (.cse27 (not .cse8)) (.cse3 (+ 256 |c_ULTIMATE.start_main_~g~0#1|))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse5 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse6 (+ (- 256) (mod (+ .cse5 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse1 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse6) 256))) (let ((.cse4 (mod .cse6 .cse1))) (let ((.cse2 (mod (+ .cse4 (* 255 .cse1)) 256))) (and (= (mod .cse1 (+ (- 256) .cse2)) 0) (<= .cse3 .cse2) (not (= .cse4 0)) (not (= .cse5 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse1 0)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0))))))))) .cse8) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse11 (mod (mod .cse12 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse10 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse11) 256))) (let ((.cse9 (mod (mod .cse11 .cse10) 256))) (and (not (= .cse9 0)) (<= |c_ULTIMATE.start_main_~g~0#1| .cse9) (= (mod .cse10 .cse9) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse10 0))))))) .cse8 .cse13) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse16 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse18 (+ (- 256) (mod (+ .cse16 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256)))) (let ((.cse17 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse18) 256))) (let ((.cse15 (mod .cse18 .cse17))) (let ((.cse14 (mod (+ .cse15 (* 255 .cse17)) 256))) (and (<= .cse3 .cse14) (not (= .cse15 0)) (not (= .cse16 0)) (= (mod (mod .cse17 (+ (- 256) .cse14)) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (= .cse17 0)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0))))))))) .cse0 .cse8) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse21 (mod (mod .cse12 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse19 (+ (- 256) (mod (+ (* .cse21 255) (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse21)) 256)))) (let ((.cse20 (mod (mod .cse21 .cse19) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (= (mod .cse19 .cse20) 0) (not (= .cse20 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (<= |c_ULTIMATE.start_main_~g~0#1| .cse20)))))) .cse8 .cse13) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse24 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse26 (+ .cse24 (- 256)))) (let ((.cse23 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse26) 256))) (let ((.cse25 (mod .cse26 .cse23))) (let ((.cse22 (mod (+ .cse25 (* 255 .cse23)) 256))) (and (<= .cse3 .cse22) (not (= .cse23 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse24 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (= (mod (mod .cse23 (+ (- 256) .cse22)) 256) 0) (not (= .cse25 0))))))))) .cse27) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse30 (mod (mod .cse12 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse29 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse30) 256))) (let ((.cse28 (mod (mod .cse30 .cse29) 256))) (and (not (= .cse28 0)) (<= |c_ULTIMATE.start_main_~g~0#1| .cse28) (= (mod (mod .cse29 .cse28) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse29 0))))))) .cse8 .cse13) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse33 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse32 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse33) 256))) (let ((.cse31 (mod (mod .cse33 .cse32) 256))) (and (<= |c_ULTIMATE.start_main_~g~0#1| .cse31) (not (= .cse32 0)) (<= .cse33 127) (= (mod .cse32 .cse31) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse31 0))))))) .cse27) (and .cse27 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse36 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse35 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse36) 256))) (let ((.cse34 (mod (mod .cse36 .cse35) 256))) (and (<= |c_ULTIMATE.start_main_~g~0#1| .cse34) (= (mod (mod .cse35 .cse34) 256) 0) (not (= .cse35 0)) (<= .cse36 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0)) (not (= .cse34 0)))))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse40 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse43 (mod (+ .cse40 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_31|)) 256))) (let ((.cse42 (+ (- 256) .cse43))) (let ((.cse41 (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse42) .cse43) 256))) (let ((.cse39 (+ (- 256) .cse41))) (let ((.cse37 (mod .cse42 .cse39))) (let ((.cse38 (mod (+ .cse37 .cse41) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= .cse37 0)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (not (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse3 .cse38) (= (mod (mod .cse39 (+ (- 256) .cse38)) 256) 0) (not (= .cse40 0))))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse45 (mod .cse7 |v_ULTIMATE.start_gcd_test_~b#1_31|))) (let ((.cse50 (mod (+ .cse45 |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse49 (+ (- 256) .cse50))) (let ((.cse48 (mod (+ .cse50 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse49)) 256))) (let ((.cse47 (+ (- 256) .cse48))) (let ((.cse44 (mod .cse49 .cse47))) (let ((.cse46 (mod (+ .cse44 .cse48) 256))) (and (not (= .cse44 0)) (not (= .cse45 0)) (< |v_ULTIMATE.start_gcd_test_~b#1_31| 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (<= .cse3 .cse46) (= (mod .cse47 (+ (- 256) .cse46)) 0))))))))))) .cse0 .cse8) (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse52 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse53 (+ (- 256) (mod (+ (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse52) (* .cse52 255)) 256)))) (let ((.cse51 (mod (mod .cse52 .cse53) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= |c_ULTIMATE.start_main_~g~0#1| .cse51) (<= .cse52 127) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (= (mod .cse53 .cse51) 0) (not (= .cse51 0)))))))) (and .cse27 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_34| Int) (|v_ULTIMATE.start_gcd_test_~b#1_31| Int)) (let ((.cse57 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_31|) 256))) (let ((.cse59 (+ .cse57 (- 256)))) (let ((.cse58 (mod (+ .cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_34| .cse59)) 256))) (let ((.cse55 (+ .cse58 (- 256)))) (let ((.cse56 (mod .cse59 .cse55))) (let ((.cse54 (mod (+ .cse56 .cse58) 256))) (and (< |v_ULTIMATE.start_gcd_test_~a#1_34| 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_31| 0)) (<= .cse3 .cse54) (= (mod .cse55 (+ (- 256) .cse54)) 0) (not (= .cse56 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_34| |v_ULTIMATE.start_gcd_test_~b#1_31|) (not (<= .cse57 127))))))))))))))) is different from false [2022-11-03 03:34:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2022-11-03 03:34:56,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:48,802 WARN L234 SmtUtils]: Spent 1.51m on a formula simplification. DAG size of input: 83 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:37:44,733 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse19 (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse27 (mod (+ .cse19 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256))) (let ((.cse28 (+ (- 256) .cse27))) (let ((.cse17 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse26 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse27) 256)) (.cse29 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse28) 256)) (.cse18 (+ |c_ULTIMATE.start_main_~x~0#1| 1))) (let ((.cse10 (< .cse29 .cse18)) (.cse11 (not (= (mod (mod .cse28 .cse29) 256) 0))) (.cse14 (<= .cse27 127)) (.cse6 (= .cse27 0)) (.cse7 (not (= (mod (mod .cse27 .cse26) 256) 0))) (.cse8 (< .cse26 .cse18)) (.cse9 (not .cse17)) (.cse15 (mod .cse19 256))) (let ((.cse20 (<= .cse15 127)) (.cse2 (or .cse6 .cse7 .cse8 .cse9)) (.cse0 (not .cse14)) (.cse13 (<= (mod (+ .cse19 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (.cse3 (< |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse12 (or .cse10 .cse11 .cse9))) (and (or (let ((.cse5 (= .cse19 0)) (.cse4 (not .cse13)) (.cse1 (let ((.cse16 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse15) 256))) (or (not (= (mod (mod .cse15 .cse16) 256) 0)) .cse17 (< .cse16 .cse18) (= .cse15 0))))) (and (or .cse0 (and (or (and .cse1 .cse2) .cse3 .cse4) (or .cse3 (and (or .cse5 .cse6 .cse7 .cse8 .cse9) .cse1)))) (or (and (or (and .cse1 (or .cse5 .cse10 .cse11 .cse9)) .cse3 .cse4) (or (and .cse1 .cse12) .cse3 .cse13)) .cse14))) (not .cse20)) (or .cse20 (let ((.cse22 (let ((.cse25 (+ (- 256) .cse15))) (let ((.cse24 (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse25) 256))) (or .cse17 (< .cse24 .cse18) (not (= 0 (mod (mod .cse25 .cse24) 256)))))))) (and (or (let ((.cse21 (and .cse2 .cse22))) (and (or .cse21 .cse3 .cse13) (or .cse21 .cse3))) .cse0) (or (let ((.cse23 (and .cse12 .cse22))) (and (or .cse3 .cse13 .cse23) (or .cse3 .cse23))) .cse14))))))))))) (not (< 0 |c_ULTIMATE.start_main_~x~0#1|)) (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) is different from true