./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 527bcce2 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_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:14:01,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:01,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:14:01,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:01,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:01,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:01,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:01,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:01,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:14:01,797 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:14:01,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:14:01,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:14:01,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:01,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:01,800 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:01,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:01,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:14:01,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:14:01,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:01,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:14:01,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:01,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:14:01,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:14:01,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:14:01,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:14:01,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:01,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:01,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:01,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:01,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:14:01,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:14:01,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:01,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:01,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:14:01,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:14:01,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:14:01,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:14:01,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:14:01,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:14:01,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:14:01,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:14:01,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:14:01,822 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2023-11-21 22:14:02,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:02,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:02,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:02,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:02,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:02,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/bitvector/gcd_3.c [2023-11-21 22:14:05,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:14:05,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:14:05,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/sv-benchmarks/c/bitvector/gcd_3.c [2023-11-21 22:14:05,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/data/641c08592/6dc71f80a7a8456b9328dacbc6dd9662/FLAG4da90dec5 [2023-11-21 22:14:05,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/data/641c08592/6dc71f80a7a8456b9328dacbc6dd9662 [2023-11-21 22:14:05,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:14:05,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:14:05,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:05,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:14:05,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:14:05,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55391cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05, skipping insertion in model container [2023-11-21 22:14:05,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:14:05,856 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2023-11-21 22:14:05,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:05,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:14:05,913 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2023-11-21 22:14:05,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:05,941 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:14:05,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05 WrapperNode [2023-11-21 22:14:05,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:05,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:05,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:14:05,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:14:05,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,978 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-21 22:14:05,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:05,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:14:05,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:14:05,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:14:05,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:05,991 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,001 INFO L187 HeapSplitter]: Split 10 memory accesses to 2 slices as follows [2, 8] [2023-11-21 22:14:06,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:14:06,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:14:06,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:14:06,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:14:06,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (1/1) ... [2023-11-21 22:14:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:06,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:06,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:06,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:14:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:14:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:14:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:14:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:14:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:14:06,184 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:14:06,187 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:14:06,319 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:14:06,421 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:14:06,421 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:14:06,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:06 BoogieIcfgContainer [2023-11-21 22:14:06,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:14:06,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:14:06,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:14:06,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:14:06,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:14:05" (1/3) ... [2023-11-21 22:14:06,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13734e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:06, skipping insertion in model container [2023-11-21 22:14:06,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:05" (2/3) ... [2023-11-21 22:14:06,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13734e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:14:06, skipping insertion in model container [2023-11-21 22:14:06,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:06" (3/3) ... [2023-11-21 22:14:06,434 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3.c [2023-11-21 22:14:06,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:14:06,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:14:06,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:14:06,506 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2852eeb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:14:06,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:14:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 22:14:06,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:06,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-21 22:14:06,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:06,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:06,523 INFO L85 PathProgramCache]: Analyzing trace with hash 84816067, now seen corresponding path program 1 times [2023-11-21 22:14:06,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:06,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198823198] [2023-11-21 22:14:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:14:07,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198823198] [2023-11-21 22:14:07,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198823198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:14:07,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518119449] [2023-11-21 22:14:07,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:07,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:14:07,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:14:07,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:14:07,252 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) [2023-11-21 22:14:07,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:07,367 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2023-11-21 22:14:07,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:14:07,371 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 [2023-11-21 22:14:07,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:07,379 INFO L225 Difference]: With dead ends: 19 [2023-11-21 22:14:07,380 INFO L226 Difference]: Without dead ends: 7 [2023-11-21 22:14:07,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:07,389 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:07,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:14:07,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-21 22:14:07,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-21 22:14:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 22:14:07,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2023-11-21 22:14:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:07,431 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-21 22:14:07,431 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) [2023-11-21 22:14:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 22:14:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:14:07,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:07,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:14:07,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:14:07,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:07,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1696327067, now seen corresponding path program 1 times [2023-11-21 22:14:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:07,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726004314] [2023-11-21 22:14:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:07,465 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:14:07,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242437300] [2023-11-21 22:14:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:07,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:07,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:07,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:07,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:14:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:07,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 22:14:07,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:14:12,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:14:14,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:14,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726004314] [2023-11-21 22:14:14,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:14:14,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242437300] [2023-11-21 22:14:14,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242437300] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:14,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:14:14,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-21 22:14:14,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564171315] [2023-11-21 22:14:14,730 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:14,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 22:14:14,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:14,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:14:14,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:14:14,733 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:16,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:16,591 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2023-11-21 22:14:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:14:16,592 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-21 22:14:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:16,593 INFO L225 Difference]: With dead ends: 16 [2023-11-21 22:14:16,593 INFO L226 Difference]: Without dead ends: 10 [2023-11-21 22:14:16,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:14:16,615 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:16,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 22:14:16,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-21 22:14:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-21 22:14:16,626 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) [2023-11-21 22:14:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-21 22:14:16,627 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2023-11-21 22:14:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:16,627 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-21 22:14:16,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-21 22:14:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 22:14:16,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:16,629 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2023-11-21 22:14:16,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:16,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:16,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:16,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:16,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1072920253, now seen corresponding path program 2 times [2023-11-21 22:14:16,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:16,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293817331] [2023-11-21 22:14:16,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:16,854 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:14:16,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204083396] [2023-11-21 22:14:16,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:14:16,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:16,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:16,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17a005a-786c-4626-8f8c-6f3820dac58a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:14:16,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:14:16,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:14:17,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 22:14:17,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:39,482 WARN L293 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 118 DAG size of output: 105 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-21 22:14:50,653 WARN L854 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~x~0#1| 127) (let ((.cse0 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse13 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse12 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0))) (or (and (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0) (let ((.cse35 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (let ((.cse3 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse5 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse11 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse7 (+ (- 256) .cse35))) (or (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse1 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse6 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse1) 256) (- 256)))) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse6)) (.cse4 (mod .cse6 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ (* 255 .cse1) .cse2 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256)) (= (mod .cse2 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (= (mod (+ .cse3 .cse4) 256) .cse5) (not (= .cse4 0))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse8 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse10 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse8) 256) (- 256)))) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse10))) (and (<= 128 (mod (+ (* 255 .cse8) .cse9 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256)) (= (mod .cse9 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse10 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|)))))) .cse11))) (and .cse12 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse15 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse16 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse15) 256) (- 256)))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse16))) (and (= .cse13 (mod (+ .cse14 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse15) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod .cse16 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (not (= .cse14 0)) (<= (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse14 (* 255 .cse15)) 256) 127)))))) .cse11) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse18 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse20 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse18) 256) (- 256)))) (let ((.cse19 (mod .cse20 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse20))) (and (= .cse13 (mod (+ .cse17 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse18) 256)) (not (= .cse19 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse19) 256) .cse5) (<= (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse17 (* 255 .cse18)) 256) 127)))))))) (and .cse12 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse22 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse23 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse22) 256) (- 256)))) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse23))) (and (<= 128 (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse21 (* 255 .cse22)) 256)) (= .cse13 (mod (+ .cse21 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse22) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod .cse23 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (not (= .cse21 0))))))) .cse11) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse25 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse27 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse25) 256) (- 256)))) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse27)) (.cse26 (mod .cse27 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse24 (* 255 .cse25)) 256)) (= .cse13 (mod (+ .cse24 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse25) 256)) (not (= .cse26 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse26) 256) .cse5)))))))) (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse30 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse31 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse30) 256) (- 256)))) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse31)) (.cse29 (mod .cse31 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod .cse28 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (= (mod (+ .cse3 .cse29) 256) .cse5) (<= (mod (+ (* 255 .cse30) .cse28 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256) 127) (not (= .cse29 0))))))) (and .cse11 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse34 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse33 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse34) 256) (- 256)))) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse33))) (and (= (mod .cse32 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (<= (mod (+ (* 255 .cse34) .cse32 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256) 127))))))))))) (<= 128 .cse35)) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse37 (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse36 (mod .cse37 256))) (let ((.cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse36))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse36 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 128 (mod (+ .cse37 .cse38) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= .cse13 (mod (+ .cse38 (* .cse37 255)) 256)) (not (= .cse36 0))))))) .cse12) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse39 (mod (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse39 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse39) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (not (= .cse39 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse42 (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse40 (mod .cse42 256))) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse40))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse41 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= .cse13 (mod (+ .cse41 (* .cse42 255)) 256)) (<= (mod (+ .cse42 .cse41) 256) 127) (not (= .cse40 0))))))) .cse12)) (<= .cse35 127))))) (and (or (and .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse45 (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse43 (mod .cse45 256))) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse43))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= 0 .cse43)) (<= 128 (mod (+ .cse44 .cse45) 256)) (= .cse13 (mod (+ .cse44 (* 255 .cse45)) 256)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse46 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse46) 256)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse46 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= 0 .cse46)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|)))) .cse0) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse48 (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse49 (mod .cse48 256))) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse49))) (and (<= (mod (+ .cse47 .cse48) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse49 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse47 0)) (not (= 0 .cse49)) (= .cse13 (mod (+ .cse47 (* 255 .cse48)) 256))))))) .cse12)) (<= 0 |c_ULTIMATE.start_main_~x~0#1|)))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2023-11-21 22:14:52,667 WARN L876 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~x~0#1| 127) (let ((.cse0 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse13 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse12 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0))) (or (and (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0) (let ((.cse35 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (let ((.cse3 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse5 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse11 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse7 (+ (- 256) .cse35))) (or (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse1 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse6 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse1) 256) (- 256)))) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse6)) (.cse4 (mod .cse6 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ (* 255 .cse1) .cse2 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256)) (= (mod .cse2 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (= (mod (+ .cse3 .cse4) 256) .cse5) (not (= .cse4 0))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse8 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse10 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse8) 256) (- 256)))) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse10))) (and (<= 128 (mod (+ (* 255 .cse8) .cse9 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256)) (= (mod .cse9 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse10 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|)))))) .cse11))) (and .cse12 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse15 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse16 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse15) 256) (- 256)))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse16))) (and (= .cse13 (mod (+ .cse14 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse15) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod .cse16 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (not (= .cse14 0)) (<= (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse14 (* 255 .cse15)) 256) 127)))))) .cse11) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse18 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse20 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse18) 256) (- 256)))) (let ((.cse19 (mod .cse20 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse20))) (and (= .cse13 (mod (+ .cse17 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse18) 256)) (not (= .cse19 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse19) 256) .cse5) (<= (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse17 (* 255 .cse18)) 256) 127)))))))) (and .cse12 (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse22 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse23 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse22) 256) (- 256)))) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse23))) (and (<= 128 (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse21 (* 255 .cse22)) 256)) (= .cse13 (mod (+ .cse21 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse22) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod .cse23 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (not (= .cse21 0))))))) .cse11) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse25 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse27 (+ (mod (+ |v_ULTIMATE.start_gcd_test_~a#1_30| .cse25) 256) (- 256)))) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse27)) (.cse26 (mod .cse27 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= 128 (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse24 (* 255 .cse25)) 256)) (= .cse13 (mod (+ .cse24 |v_ULTIMATE.start_gcd_test_~a#1_30| .cse25) 256)) (not (= .cse26 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse26) 256) .cse5)))))))) (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse30 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse31 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse30) 256) (- 256)))) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse31)) (.cse29 (mod .cse31 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod .cse28 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (= (mod (+ .cse3 .cse29) 256) .cse5) (<= (mod (+ (* 255 .cse30) .cse28 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256) 127) (not (= .cse29 0))))))) (and .cse11 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse34 (mod .cse7 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse33 (+ (mod (+ (* 255 |v_ULTIMATE.start_gcd_test_~a#1_30|) .cse34) 256) (- 256)))) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse33))) (and (= (mod .cse32 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= (mod .cse33 |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (<= (mod (+ (* 255 .cse34) .cse32 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256) 127))))))))))) (<= 128 .cse35)) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse37 (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse36 (mod .cse37 256))) (let ((.cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse36))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse36 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (<= 128 (mod (+ .cse37 .cse38) 256)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= .cse13 (mod (+ .cse38 (* .cse37 255)) 256)) (not (= .cse36 0))))))) .cse12) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse39 (mod (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse39 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse39) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|) (not (= .cse39 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse42 (mod .cse35 |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse40 (mod .cse42 256))) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse40))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse40 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse41 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= .cse13 (mod (+ .cse41 (* .cse42 255)) 256)) (<= (mod (+ .cse42 .cse41) 256) 127) (not (= .cse40 0))))))) .cse12)) (<= .cse35 127))))) (and (or (and .cse12 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse45 (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse43 (mod .cse45 256))) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse43))) (and (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= 0 .cse43)) (<= 128 (mod (+ .cse44 .cse45) 256)) (= .cse13 (mod (+ .cse44 (* 255 .cse45)) 256)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse46 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse46) 256)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse46 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= 0 .cse46)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_30|)))) .cse0) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (let ((.cse48 (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_30|))) (let ((.cse49 (mod .cse48 256))) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse49))) (and (<= (mod (+ .cse47 .cse48) 256) 127) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_30| 1) 0) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse49 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse47 0)) (not (= 0 .cse49)) (= .cse13 (mod (+ .cse47 (* 255 .cse48)) 256))))))) .cse12)) (<= 0 |c_ULTIMATE.start_main_~x~0#1|)))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from true