./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_2_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh --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 f6c5808fcdfedd93e514ea4bc51242b78bf5dcc9e332c7faf3dfcc4d6de127e2 --- 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-2329fc7 [2022-12-14 09:31:48,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:31:48,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:31:48,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:31:48,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:31:48,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:31:48,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:31:48,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:31:48,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:31:48,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:31:48,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:31:48,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:31:48,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:31:48,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:31:48,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:31:48,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:31:48,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:31:48,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:31:48,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:31:48,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:31:48,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:31:48,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:31:48,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:31:48,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:31:48,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:31:48,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:31:48,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:31:48,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:31:48,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:31:48,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:31:48,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:31:48,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:31:48,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:31:48,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:31:48,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:31:48,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:31:48,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:31:48,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:31:48,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:31:48,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:31:48,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:31:48,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 09:31:48,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:31:48,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:31:48,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:31:48,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:31:48,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:31:48,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:31:48,874 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:31:48,874 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:31:48,874 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:31:48,874 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:31:48,875 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:31:48,875 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:31:48,875 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:31:48,875 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:31:48,875 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:31:48,876 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:31:48,876 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:31:48,876 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:31:48,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:31:48,877 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:31:48,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:31:48,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:31:48,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:31:48,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:31:48,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:31:48,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:31:48,878 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:31:48,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:31:48,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:31:48,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:31:48,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:31:48,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:31:48,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:31:48,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:31:48,880 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:31:48,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:31:48,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:31:48,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:31:48,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:31:48,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:31:48,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:31:48,881 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c5808fcdfedd93e514ea4bc51242b78bf5dcc9e332c7faf3dfcc4d6de127e2 [2022-12-14 09:31:49,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:31:49,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:31:49,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:31:49,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:31:49,090 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:31:49,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/combinations/gcd_2+newton_2_3.i [2022-12-14 09:31:51,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:31:51,792 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:31:51,792 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i [2022-12-14 09:31:51,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/388058e0b/e422729745ca4bc981f12088566dfcb0/FLAG71b2aafbb [2022-12-14 09:31:51,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/388058e0b/e422729745ca4bc981f12088566dfcb0 [2022-12-14 09:31:51,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:31:51,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:31:51,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:31:51,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:31:51,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:31:51,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:31:51" (1/1) ... [2022-12-14 09:31:51,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51dff388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:51, skipping insertion in model container [2022-12-14 09:31:51,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:31:51" (1/1) ... [2022-12-14 09:31:51,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:31:51,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:31:51,971 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[1226,1239] [2022-12-14 09:31:51,993 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[2841,2854] [2022-12-14 09:31:51,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:31:52,005 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:31:52,019 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[1226,1239] [2022-12-14 09:31:52,029 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[2841,2854] [2022-12-14 09:31:52,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:31:52,045 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:31:52,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52 WrapperNode [2022-12-14 09:31:52,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:31:52,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:31:52,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:31:52,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:31:52,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,083 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2022-12-14 09:31:52,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:31:52,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:31:52,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:31:52,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:31:52,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:31:52,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:31:52,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:31:52,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:31:52,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (1/1) ... [2022-12-14 09:31:52,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:31:52,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:31:52,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:31:52,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-12-14 09:31:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-12-14 09:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-14 09:31:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-14 09:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:31:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:31:52,231 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:31:52,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:31:52,350 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:31:52,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:31:52,403 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:31:52,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:31:52 BoogieIcfgContainer [2022-12-14 09:31:52,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:31:52,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:31:52,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:31:52,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:31:52,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:31:51" (1/3) ... [2022-12-14 09:31:52,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45260a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:31:52, skipping insertion in model container [2022-12-14 09:31:52,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:31:52" (2/3) ... [2022-12-14 09:31:52,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45260a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:31:52, skipping insertion in model container [2022-12-14 09:31:52,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:31:52" (3/3) ... [2022-12-14 09:31:52,411 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_2_3.i [2022-12-14 09:31:52,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:31:52,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:31:52,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:31:52,463 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;@5a4a29df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:31:52,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:31:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:31:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 09:31:52,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:52,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 09:31:52,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash -499021812, now seen corresponding path program 1 times [2022-12-14 09:31:52,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:52,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803175963] [2022-12-14 09:31:52,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:52,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:52,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:52,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803175963] [2022-12-14 09:31:52,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803175963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:31:52,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:31:52,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:31:52,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698875813] [2022-12-14 09:31:52,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:31:52,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:31:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:52,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:31:52,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:31:52,751 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:52,804 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2022-12-14 09:31:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:31:52,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 09:31:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:52,811 INFO L225 Difference]: With dead ends: 38 [2022-12-14 09:31:52,811 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 09:31:52,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:31:52,816 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:52,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 35 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:31:52,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 09:31:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-14 09:31:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:31:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-12-14 09:31:52,842 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2022-12-14 09:31:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:52,842 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-12-14 09:31:52,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:31:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 09:31:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:31:52,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:52,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:52,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:31:52,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:52,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1643785969, now seen corresponding path program 1 times [2022-12-14 09:31:52,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:52,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935788049] [2022-12-14 09:31:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:52,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:52,856 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:31:52,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956034106] [2022-12-14 09:31:52,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:31:52,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:31:52,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:31:52,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:31:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:31:52,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 09:31:52,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:31:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:53,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:31:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:31:53,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:31:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935788049] [2022-12-14 09:31:53,285 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:31:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956034106] [2022-12-14 09:31:53,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956034106] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:31:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1506234368] [2022-12-14 09:31:53,300 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-12-14 09:31:53,300 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:31:53,303 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:31:53,307 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:31:53,307 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:31:53,466 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:31:53,731 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '160#(and (= |ULTIMATE.start_gcd_test_~b#1| 0) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~b#1| 128)) (<= |ULTIMATE.start_gcd_test_#in~a#1| 127) (<= |ULTIMATE.start_main1_~x~0#1| 127) (<= |ULTIMATE.start_gcd_test_#in~b#1| 127) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (< 0 |ULTIMATE.start_main1_~y~0#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~a#1| 128)) (= (ite (<= |ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_main1_~y~0#1|) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main1_~x~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_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_#res#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 09:31:53,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:31:53,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 09:31:53,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-14 09:31:53,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735363379] [2022-12-14 09:31:53,733 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 09:31:53,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:31:53,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:31:53,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:31:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-12-14 09:31:53,735 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 10 states, 10 states have (on average 1.2) 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) [2022-12-14 09:31:53,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:31:53,905 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-12-14 09:31:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 09:31:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) 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 [2022-12-14 09:31:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:31:53,906 INFO L225 Difference]: With dead ends: 28 [2022-12-14 09:31:53,906 INFO L226 Difference]: Without dead ends: 23 [2022-12-14 09:31:53,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-12-14 09:31:53,907 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:31:53,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 96 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:31:53,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-14 09:31:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-14 09:31:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:31:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-12-14 09:31:53,911 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 7 [2022-12-14 09:31:53,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:31:53,911 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-12-14 09:31:53,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) 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) [2022-12-14 09:31:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-14 09:31:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:31:53,912 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:31:53,912 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2022-12-14 09:31:53,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:31:54,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:31:54,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:31:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:31:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1300293201, now seen corresponding path program 2 times [2022-12-14 09:31:54,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:31:54,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982410631] [2022-12-14 09:31:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:31:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:31:54,121 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:31:54,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543922362] [2022-12-14 09:31:54,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:31:54,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:31:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:31:54,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:31:54,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:31:54,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 09:31:54,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:31:54,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 09:31:54,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:31:59,656 WARN L837 $PredicateComparison]: unable to prove that (and (let ((.cse20 (* |c_ULTIMATE.start_gcd_test_~a#1| 255)) (.cse6 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse11 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (let ((.cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse73 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse74 (mod .cse73 256))) (and (not (<= (mod (+ .cse73 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= .cse11 .cse74) (not (<= .cse74 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0))))))) (.cse31 (not .cse6)) (.cse24 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse72 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse71 (mod .cse72 256))) (and (= .cse11 .cse71) (not (<= .cse71 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (not (<= (mod (+ .cse72 .cse20) 256) 127))))))) (.cse53 (< |c_ULTIMATE.start_main1_~y~0#1| 0)) (.cse3 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse2 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (or (and (let ((.cse4 (mod .cse2 256))) (let ((.cse5 (<= .cse4 127))) (or (and (let ((.cse0 (+ .cse4 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse0) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse0))) (and (not (= .cse1 0)) (= (mod (+ .cse1 .cse2) 256) .cse3) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) (not .cse5) (or (and .cse6 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse7 (mod .cse8 256))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse7) (<= (mod (+ .cse8 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= .cse7 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse9 256)) (= .cse9 0) (<= (mod (+ .cse9 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse10 |c_ULTIMATE.start_gcd_test_~a#1|) 256) .cse11) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (not (= .cse10 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0) (<= (mod .cse10 256) 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (<= (mod (+ .cse12 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse12 256)) (= .cse12 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse14 (mod .cse13 256))) (and (not (<= (mod (+ .cse13 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse14) (<= .cse14 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse16 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse15 (mod .cse16 256))) (and (= .cse11 .cse15) (not (<= .cse15 127)) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (<= (mod (+ .cse16 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127))))) .cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse18 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (<= (mod .cse18 256) 127)) (= (mod (+ .cse18 |c_ULTIMATE.start_gcd_test_~a#1|) 256) .cse11) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse19 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (<= (mod (+ .cse19 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse19 256)) (= .cse19 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse21 (mod .cse22 256))) (and (= .cse11 .cse21) (not (<= .cse21 127)) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (<= (mod (+ .cse22 .cse20) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse23 256)) (= .cse23 0) (not (<= (mod (+ .cse23 .cse20) 256) 127))))) .cse24 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse25 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= (mod (+ .cse25 .cse20) 256) .cse11) (not (= .cse25 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0) (<= (mod .cse25 256) 127)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (<= (mod .cse26 256) 127)) (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= (mod (+ .cse26 .cse20) 256) .cse11) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse27 (mod .cse28 256))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse27) (not (<= (mod (+ .cse28 .cse20) 256) 127)) (<= .cse27 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse30 (mod .cse29 256))) (and (<= .cse4 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (<= (mod (+ .cse29 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse30) (<= .cse30 127)))))) .cse31))) (and (not (= .cse4 0)) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse32 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse32 256)) (= .cse32 0) (not (<= (mod (+ .cse32 .cse20) 256) 127)) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse33 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (+ .cse33 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse33 256)) (= .cse33 0) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse35 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse34 (mod .cse35 256))) (and (= .cse11 .cse34) (not (<= .cse34 127)) (not (<= (mod (+ .cse35 .cse20) 256) 127)) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse36 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse37 (mod .cse36 256))) (and (<= (mod (+ .cse36 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse37) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse37 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse39 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse38 (mod .cse39 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse38) (not (<= (mod (+ .cse39 .cse20) 256) 127)) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse38 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse41 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse40 (mod .cse41 256))) (and (= .cse11 .cse40) (not (<= .cse40 127)) (<= (mod (+ .cse41 .cse20) 256) 127) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|)))))) .cse31) (and .cse6 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse42 (mod .cse43 256))) (and (= .cse11 .cse42) (not (<= .cse42 127)) (<= (mod (+ .cse43 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (<= (mod (+ .cse44 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse44 256)) (= .cse44 0) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse46 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse45 (mod .cse46 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse45) (<= (mod (+ .cse46 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse45 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse47 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse48 (mod .cse47 256))) (and (not (<= (mod (+ .cse47 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse48) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse48 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse50 (mod .cse49 256))) (and (not (<= (mod (+ .cse49 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= .cse11 .cse50) (not (<= .cse50 127)) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse51 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse51 256)) (= .cse51 0) (<= (mod (+ .cse51 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= .cse4 |v_ULTIMATE.start_gcd_test_~a#1_26|))))))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse4) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse52 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse4))) (and (= .cse3 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse52) 256)) (not (= .cse52 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))) .cse5)))) .cse53) (and (or (and .cse6 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse54 (mod .cse55 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse54) (<= (mod (+ .cse55 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse54 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse57 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse56 (mod .cse57 256))) (and (= .cse11 .cse56) (not (<= .cse56 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (<= (mod (+ .cse57 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse58 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse59 (mod .cse58 256))) (and (not (<= (mod (+ .cse58 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse59) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse59 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse60 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (not (<= (mod (+ .cse60 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse60 256)) (= .cse60 0) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|)))) .cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse61 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse61 256)) (= .cse61 0) (<= (mod (+ .cse61 |c_ULTIMATE.start_gcd_test_~a#1|) 256) 127) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|)))))) (and .cse31 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse62 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (<= (mod (+ .cse62 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse62 256)) (= .cse62 0) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse64 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse63 (mod .cse64 256))) (and (= .cse11 .cse63) (not (<= .cse63 127)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (<= (mod (+ .cse64 .cse20) 256) 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse65 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse66 (mod .cse65 256))) (and (<= (mod (+ .cse65 .cse20) 256) 127) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse66) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse66 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse68 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (let ((.cse67 (mod .cse68 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse67) (not (<= (mod (+ .cse68 .cse20) 256) 127)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (<= .cse67 127))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse69 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse69 256)) (= .cse69 0) (not (<= (mod (+ .cse69 .cse20) 256) 127)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|)))) .cse24))) (not (= |c_ULTIMATE.start_main1_~y~0#1| 0)) (not .cse53) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse70 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|))) (and (= .cse3 (mod (+ .cse70 .cse2) 256)) (not (= .cse70 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|) 256))))))))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-12-14 09:32:42,731 WARN L837 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (let ((.cse10 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse6 (mod .cse10 256))) (let ((.cse24 (<= .cse6 127)) (.cse13 (< |c_ULTIMATE.start_main1_~y~0#1| 0)) (.cse0 (< |c_ULTIMATE.start_gcd_test_~a#1| 0))) (let ((.cse16 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse33 (not .cse0)) (.cse19 (not (= .cse6 0))) (.cse28 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse32 (not .cse13)) (.cse3 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse7 (+ .cse6 (- 256))) (.cse14 (not .cse24))) (or (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse4 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse2 (mod .cse4 256))) (let ((.cse1 (mod .cse2 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse1 0) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse1 256)) (not (= .cse2 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse2))) (and (= .cse3 (mod (+ (* .cse4 255) .cse5) 256)) (not (= .cse5 0)) (<= .cse6 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0))))))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse11 (+ (mod (+ .cse9 .cse10) 256) (- 256)))) (let ((.cse12 (mod .cse11 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse11))) (and (not (= .cse8 0)) (<= .cse6 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= .cse3 (mod (+ .cse9 .cse10 .cse8) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (= (mod .cse12 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse9 0)) (= .cse12 0) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) .cse13 .cse14) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse17 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse18 (+ (mod (+ .cse17 .cse10) 256) (- 256)))) (let ((.cse15 (mod .cse18 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ .cse15 |c_ULTIMATE.start_gcd_test_~a#1|) 256) .cse16) (not (= .cse17 0)) (not (= .cse15 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (<= .cse6 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= .cse3 (mod (+ .cse17 .cse10 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse18)) 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0))) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) .cse13 .cse14) (and (let ((.cse22 (* |c_ULTIMATE.start_gcd_test_~a#1| 255))) (or (and .cse13 (or (and .cse19 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse20 (+ (- 256) (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse23) 256)))) (let ((.cse21 (mod .cse20 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse20) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= .cse6 |v_ULTIMATE.start_gcd_test_~a#1_26|))) (= (mod (+ .cse21 .cse22) 256) .cse16) (not (= .cse21 0)) (not (= .cse23 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) .cse24) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse27 (+ (mod (+ .cse26 .cse10) 256) (- 256)))) (let ((.cse25 (mod .cse27 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse16 (mod (+ .cse25 .cse22) 256)) (not (= .cse26 0)) (not (= .cse25 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse27) 256) |c_ULTIMATE.start_gcd_test_~a#1|))) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) .cse14))) (and .cse28 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse30 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse31 (+ (- 256) (mod (+ .cse30 .cse10) 256)))) (let ((.cse29 (mod .cse31 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse16 (mod (+ .cse22 .cse29) 256)) (not (= .cse29 0)) (not (= .cse30 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse31) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|))) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) .cse32))) .cse33) (and (or (and .cse28 .cse32 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse34 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|) 256))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse34) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|))) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse34 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse34 0)))))) (and (or (and .cse14 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse35 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7) 256))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse35) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse35 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse35 0)))))) (and .cse19 .cse24 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse36 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse36) 256)) (= (mod (mod .cse36 |c_ULTIMATE.start_gcd_test_~a#1|) 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse36 0)) (<= .cse6 |v_ULTIMATE.start_gcd_test_~a#1_26|)))))) .cse13)) .cse33) (and .cse33 (or (and .cse13 (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse38 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse39 (+ (mod (+ .cse38 .cse10) 256) (- 256)))) (let ((.cse37 (mod .cse39 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod .cse37 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (= .cse38 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse39) 256) |c_ULTIMATE.start_gcd_test_~a#1|))) (= .cse37 0) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse41 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7) 256))) (let ((.cse40 (mod .cse41 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= .cse40 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse41) 256)) (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse40 256)) (not (= .cse41 0))))))) .cse14) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse44 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse42 (+ (- 256) (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse44) 256)))) (let ((.cse43 (mod .cse42 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse42) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= .cse6 |v_ULTIMATE.start_gcd_test_~a#1_26|))) (= .cse43 0) (not (= .cse44 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse43 256)) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse45 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6) 256))) (let ((.cse46 (mod .cse45 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse45) 256)) (= (mod .cse46 256) |c_ULTIMATE.start_gcd_test_~b#1|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse45 0)) (= .cse46 0) (<= .cse6 |v_ULTIMATE.start_gcd_test_~a#1_26|)))))) .cse19 .cse24))) (and .cse28 .cse32 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse49 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse47 (+ (- 256) (mod (+ .cse49 .cse10) 256)))) (let ((.cse48 (mod .cse47 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse47) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (= .cse48 0) (not (= .cse49 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse48 256)) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse50 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|) 256))) (let ((.cse51 (mod .cse50 |c_ULTIMATE.start_gcd_test_~a#1|))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse50) 256) |c_ULTIMATE.start_gcd_test_~a#1|) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|))) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod .cse51 256)) (= .cse51 0) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse50 0)))))))))) (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse7))) (let ((.cse52 (mod .cse53 256))) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse52 |c_ULTIMATE.start_gcd_test_~a#1|) 256)) (not (= .cse52 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse54 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse52))) (and (= .cse3 (mod (+ (* .cse53 255) .cse54) 256)) (not (= .cse54 0)) (<= .cse6 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))))))) .cse13 .cse14)))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from false [2022-12-14 09:32:47,579 WARN L837 $PredicateComparison]: unable to prove that (and (let ((.cse3 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (let ((.cse1 (mod .cse3 256))) (let ((.cse10 (< |c_ULTIMATE.start_main1_~y~0#1| 0)) (.cse19 (<= .cse1 127)) (.cse12 (< |c_ULTIMATE.start_main1_~g~0#1| 0))) (let ((.cse4 (+ 256 |c_ULTIMATE.start_main1_~g~0#1|)) (.cse26 (not .cse12)) (.cse18 (not (= .cse1 0))) (.cse6 (+ .cse1 (- 256))) (.cse11 (not .cse19)) (.cse13 (not (= |c_ULTIMATE.start_main1_~y~0#1| 0))) (.cse14 (not .cse10)) (.cse17 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse32 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|) 256))) (and (= (mod (mod .cse32 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse32) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse32 0))))))) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse2 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse5 (+ (mod (+ .cse2 .cse3) 256) (- 256)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse0 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse5))) (and (not (= .cse0 0)) (<= .cse1 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (= (mod (+ .cse2 .cse3 .cse0) 256) .cse4) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (= (mod .cse5 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (= .cse2 0)) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse7 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse9 (mod .cse7 256))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse9))) (and (= .cse4 (mod (+ (* .cse7 255) .cse8) 256)) (not (= .cse8 0)) (<= .cse1 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (= (mod .cse9 |c_ULTIMATE.start_main1_~g~0#1|) 0) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse9 0))))))) .cse10 .cse11 .cse12) (and (or (and .cse13 .cse14 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse16 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse15 (+ (- 256) (mod (+ .cse16 .cse3) 256)))) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse15) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (= .cse16 0)) (= (mod (mod .cse15 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_26|) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))) .cse17)) (and (or (and .cse18 .cse19 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse20 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse1) 256))) (and (= (mod .cse20 |c_ULTIMATE.start_main1_~g~0#1|) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse20) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse20 0)) (<= .cse1 |v_ULTIMATE.start_gcd_test_~a#1_26|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse22 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse1))) (let ((.cse21 (+ (- 256) (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse22) 256)))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse21) 256) |c_ULTIMATE.start_main1_~g~0#1|) (<= .cse1 |v_ULTIMATE.start_gcd_test_~a#1_26|))) (not (= .cse22 0)) (= (mod .cse21 |c_ULTIMATE.start_main1_~g~0#1|) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse23 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6) 256))) (and (= (mod .cse23 |c_ULTIMATE.start_main1_~g~0#1|) 0) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse23) 256) |c_ULTIMATE.start_main1_~g~0#1|))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse23 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse24 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse25 (+ (mod (+ .cse24 .cse3) 256) (- 256)))) (and (not (= .cse24 0)) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse25) 256) |c_ULTIMATE.start_main1_~g~0#1|))) (= (mod (mod .cse25 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))) .cse11)) .cse10)) .cse26) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse27 (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6))) (let ((.cse29 (mod .cse27 256))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (let ((.cse28 (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse29))) (and (= .cse4 (mod (+ (* .cse27 255) .cse28) 256)) (not (= .cse28 0)) (<= .cse1 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_26|)) (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse29 0)) (= (mod (mod .cse29 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0))))) .cse10 .cse11 .cse12) (and .cse26 (or (and .cse10 (or (and .cse18 .cse19 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int) (|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse30 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse1) 256))) (and (= (mod (mod .cse30 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse30) 256) |c_ULTIMATE.start_main1_~g~0#1|) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse30 0)) (<= .cse1 |v_ULTIMATE.start_gcd_test_~a#1_26|))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (let ((.cse31 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_25| .cse6) 256))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| Int)) (and (not (< |v_ULTIMATE.start_gcd_test_~a#1_26| 0)) (= (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_26| .cse31) 256) |c_ULTIMATE.start_main1_~g~0#1|))) (not (< |v_ULTIMATE.start_gcd_test_~a#1_25| 0)) (not (= .cse31 0)) (= (mod (mod .cse31 |c_ULTIMATE.start_main1_~g~0#1|) 256) 0)))) .cse11))) (and .cse13 .cse14 .cse17)))))))) (not (= |c_ULTIMATE.start_main1_~g~0#1| 0)) (<= |c_ULTIMATE.start_main1_~y~0#1| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| 127)) is different from false [2022-12-14 09:32:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2022-12-14 09:32:48,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:33:14,133 WARN L837 $PredicateComparison]: unable to prove that (or (let ((.cse17 (mod |c_ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse22 (mod (+ .cse17 (* |c_ULTIMATE.start_gcd_test_~b#1| 255)) 256)) (.cse21 (mod (+ .cse17 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse18 (mod .cse17 256)) (.cse10 (< |c_ULTIMATE.start_gcd_test_~a#1| 0)) (.cse20 (<= .cse21 127)) (.cse11 (< |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse0 (<= .cse22 127))) (let ((.cse14 (<= .cse22 |c_ULTIMATE.start_main1_~y~0#1|)) (.cse15 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse22) 256) 0))) (.cse16 (not .cse0)) (.cse4 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse21) 256) 0))) (.cse8 (not .cse11)) (.cse9 (not .cse20)) (.cse6 (not .cse10)) (.cse7 (<= .cse21 |c_ULTIMATE.start_main1_~y~0#1|)) (.cse19 (<= .cse18 127))) (and (or (let ((.cse12 (<= .cse18 |c_ULTIMATE.start_main1_~y~0#1|)) (.cse13 (not (= (mod (mod |c_ULTIMATE.start_gcd_test_~b#1| .cse18) 256) 0)))) (let ((.cse1 (or .cse10 .cse8 .cse12 .cse13)) (.cse5 (= .cse17 0)) (.cse3 (or .cse10 .cse12 .cse13))) (and (or .cse0 (let ((.cse2 (or .cse10 .cse11 .cse12 .cse13))) (and .cse1 .cse2 (or (and (or (and .cse3 (or .cse4 .cse5 .cse6 .cse7)) .cse8) .cse2) .cse9)))) (or (and .cse1 (or .cse9 (and (or (and (or .cse14 .cse15 .cse6) .cse3) .cse11) (or .cse8 (and (or .cse4 .cse6 .cse7) .cse3)))) (or .cse11 (and (or .cse14 .cse5 .cse15 .cse6) .cse3))) .cse16)))) (not .cse19)) (or (and (or (and (or .cse9 (and (or .cse4 .cse8 .cse6 .cse7) (or .cse14 .cse15 .cse11 .cse6))) (or .cse14 .cse15 .cse11 .cse20 .cse6)) .cse16) (or .cse4 .cse8 .cse0 .cse9 .cse6 .cse7)) .cse19)))))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0) (not (< 0 |c_ULTIMATE.start_main1_~y~0#1|))) is different from false [2022-12-14 09:37:44,951 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse35 (< |c_ULTIMATE.start_gcd_test_~b#1| 0))) (let ((.cse0 (not .cse35)) (.cse4 (* |c_ULTIMATE.start_gcd_test_~b#1| 255))) (and (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse3 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse6 (mod (+ .cse3 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse2 (+ (- 256) .cse6))) (let ((.cse5 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse2))) (let ((.cse1 (mod .cse5 256))) (or (<= .cse1 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse2 .cse1) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse3 .cse4) 256) 127) (<= (mod .cse3 256) 127) (not (<= (mod (+ (* .cse3 255) .cse4 .cse5) 256) 127)) (<= .cse6 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse9 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse10 (mod .cse9 256))) (let ((.cse7 (+ (- 256) .cse10))) (let ((.cse11 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse7))) (let ((.cse8 (mod .cse11 256))) (or (not (= (mod (mod .cse7 .cse8) 256) 0)) (<= (mod (+ .cse9 .cse4) 256) 127) (<= .cse10 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse8 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse9 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse9 255) .cse11) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse12 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse16 (mod (+ .cse12 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse15 (+ (- 256) .cse16))) (let ((.cse13 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse15))) (let ((.cse14 (mod .cse13 256))) (or (<= (mod (+ (* .cse12 255) .cse4 .cse13) 256) 127) (<= .cse14 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse15 .cse14) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse12 .cse4) 256) 127) (<= (mod .cse12 256) 127) (<= .cse16 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse19 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse21 (mod .cse19 256))) (let ((.cse17 (+ (- 256) .cse21))) (let ((.cse20 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse17))) (let ((.cse18 (mod .cse20 256))) (or (not (= (mod (mod .cse17 .cse18) 256) 0)) (not (<= (mod (+ (* .cse19 255) .cse20) 256) 127)) (<= (mod (+ .cse19 .cse4) 256) 127) (<= .cse21 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse18 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse19 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse22 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse25 (mod .cse22 256))) (let ((.cse23 (+ (- 256) .cse25))) (let ((.cse26 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse23))) (let ((.cse24 (mod .cse26 256))) (or (not (<= (mod (+ .cse22 .cse4) 256) 127)) (not (= (mod (mod .cse23 .cse24) 256) 0)) (not (<= (mod (+ .cse22 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse25 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse24 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse22 255) .cse26) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse27 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse29 (mod (+ .cse27 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse28 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse29) 256))) (or (not (<= (mod (+ .cse27 .cse4) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse28 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse29 127)) (<= (mod .cse27 256) 127) (= 0 .cse29) (not (= (mod (mod .cse29 .cse28) 256) 0))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse30 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse33 (mod .cse30 256))) (let ((.cse31 (+ (- 256) .cse33))) (let ((.cse34 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse31))) (let ((.cse32 (mod .cse34 256))) (or (not (<= (mod (+ .cse30 .cse4) 256) 127)) (not (= (mod (mod .cse31 .cse32) 256) 0)) (not (<= (mod (+ .cse30 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse33 127) (< 127 (mod (+ (* .cse30 255) .cse34) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse32 |c_ULTIMATE.start_main1_~y~0#1|))))))))))) .cse0) (or .cse35 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse38 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse39 (mod (+ .cse38 .cse4) 256))) (let ((.cse36 (+ (- 256) .cse39))) (let ((.cse40 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse36))) (let ((.cse37 (mod .cse40 256))) (or (not (= (mod (mod .cse36 .cse37) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse38 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse39 127) (<= (mod .cse38 256) 127) (<= .cse37 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse38 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse40) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse43 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse44 (mod .cse43 256))) (let ((.cse41 (+ (- 256) .cse44))) (let ((.cse45 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse41))) (let ((.cse42 (mod .cse45 256))) (or (not (= (mod (mod .cse41 .cse42) 256) 0)) (not (<= (mod (+ .cse43 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse43 .cse4) 256) 127) (<= .cse44 127) (< 127 (mod (+ (* .cse43 255) .cse45) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse42 |c_ULTIMATE.start_main1_~y~0#1|)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse48 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse49 (mod .cse48 256))) (let ((.cse46 (+ (- 256) .cse49))) (let ((.cse50 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse46))) (let ((.cse47 (mod .cse50 256))) (or (not (= (mod (mod .cse46 .cse47) 256) 0)) (not (<= (mod (+ .cse48 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse48 .cse4) 256) 127) (<= .cse49 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse47 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse48 255) .cse50) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse51 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse55 (mod (+ .cse51 .cse4) 256))) (let ((.cse53 (+ (- 256) .cse55))) (let ((.cse52 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse53))) (let ((.cse54 (mod .cse52 256))) (or (< 127 (mod (+ (* .cse51 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse52) 256)) (not (= (mod (mod .cse53 .cse54) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse51 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse55 127) (<= (mod .cse51 256) 127) (<= .cse54 |c_ULTIMATE.start_main1_~y~0#1|)))))))))))) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse56 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse57 (mod .cse56 256))) (let ((.cse58 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse57) 256))) (or (not (<= (mod (+ .cse56 .cse4) 256) 127)) (= .cse57 0) (not (<= (mod (+ .cse56 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse58 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse57 127)) (not (= (mod (mod .cse57 .cse58) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse59 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse61 (mod (+ .cse59 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse60 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse61) 256))) (or (not (<= (mod (+ .cse59 .cse4) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse60 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse61 127)) (= 0 .cse61) (not (<= (mod .cse59 256) 127)) (not (= (mod (mod .cse61 .cse60) 256) 0))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse63 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse62 (mod .cse63 256))) (let ((.cse64 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse62) 256))) (or (= .cse62 0) (not (<= (mod (+ .cse63 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse63 .cse4) 256) 127) (<= .cse64 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse62 127)) (not (= (mod (mod .cse62 .cse64) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse67 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse68 (mod (+ .cse67 .cse4) 256))) (let ((.cse65 (+ (- 256) .cse68))) (let ((.cse69 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse65))) (let ((.cse66 (mod .cse69 256))) (or (not (= (mod (mod .cse65 .cse66) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse67 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse68 127) (<= .cse66 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse67 256) 127)) (<= (mod (+ (* .cse67 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse69) 256) 127) (= .cse67 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse72 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse74 (mod (+ .cse72 .cse4) 256))) (let ((.cse70 (+ (- 256) .cse74))) (let ((.cse73 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse70))) (let ((.cse71 (mod .cse73 256))) (or (not (= (mod (mod .cse70 .cse71) 256) 0)) (not (<= (mod (+ (* .cse72 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse73) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse72 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse74 127) (<= .cse71 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse72 256) 127)) (= .cse72 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|)))) .cse35) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse76 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse75 (mod .cse76 256))) (let ((.cse77 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse75) 256))) (or (= .cse75 0) (<= (mod (+ .cse76 .cse4) 256) 127) (<= .cse77 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse75 127)) (not (= (mod (mod .cse75 .cse77) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse76 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse78 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse82 (mod (+ .cse78 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse81 (+ (- 256) .cse82))) (let ((.cse79 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse81))) (let ((.cse80 (mod .cse79 256))) (or (<= (mod (+ (* .cse78 255) .cse4 .cse79) 256) 127) (<= .cse80 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse81 .cse80) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse78 .cse4) 256) 127) (not (<= (mod .cse78 256) 127)) (<= .cse82 127) (= .cse78 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse85 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse87 (mod (+ .cse85 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse84 (+ (- 256) .cse87))) (let ((.cse86 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse84))) (let ((.cse83 (mod .cse86 256))) (or (<= .cse83 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse84 .cse83) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse85 .cse4) 256) 127) (not (<= (mod (+ (* .cse85 255) .cse4 .cse86) 256) 127)) (not (<= (mod .cse85 256) 127)) (<= .cse87 127)))))))))))) (or .cse35 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse88 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse91 (mod .cse88 256))) (let ((.cse89 (+ (- 256) .cse91))) (let ((.cse92 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse89))) (let ((.cse90 (mod .cse92 256))) (or (not (<= (mod (+ .cse88 .cse4) 256) 127)) (not (= (mod (mod .cse89 .cse90) 256) 0)) (not (<= (mod (+ .cse88 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse91 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse90 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse88 255) .cse92) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse93 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse97 (mod .cse93 256))) (let ((.cse94 (+ (- 256) .cse97))) (let ((.cse96 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse94))) (let ((.cse95 (mod .cse96 256))) (or (not (<= (mod (+ .cse93 .cse4) 256) 127)) (not (= (mod (mod .cse94 .cse95) 256) 0)) (not (<= (mod (+ (* .cse93 255) .cse96) 256) 127)) (not (<= (mod (+ .cse93 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse97 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse95 |c_ULTIMATE.start_main1_~y~0#1|)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse99 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse98 (mod (+ .cse99 .cse4) 256))) (let ((.cse100 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse98) 256))) (or (not (<= .cse98 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse99 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (= .cse98 0) (<= (mod .cse99 256) 127) (<= .cse100 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse98 .cse100) 256) 0))))))))))) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse101 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse105 (mod (+ .cse101 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse104 (+ (- 256) .cse105))) (let ((.cse102 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse104))) (let ((.cse103 (mod .cse102 256))) (or (not (<= (mod (+ .cse101 .cse4) 256) 127)) (<= (mod (+ (* .cse101 255) .cse4 .cse102) 256) 127) (<= .cse103 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse104 .cse103) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod .cse101 256) 127) (<= .cse105 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse106 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse110 (mod .cse106 256))) (let ((.cse107 (+ (- 256) .cse110))) (let ((.cse109 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse107))) (let ((.cse108 (mod .cse109 256))) (or (not (<= (mod (+ .cse106 .cse4) 256) 127)) (not (= (mod (mod .cse107 .cse108) 256) 0)) (not (<= (mod (+ (* .cse106 255) .cse109) 256) 127)) (<= .cse110 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse108 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse106 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse111 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse114 (mod .cse111 256))) (let ((.cse112 (+ (- 256) .cse114))) (let ((.cse115 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse112))) (let ((.cse113 (mod .cse115 256))) (or (not (<= (mod (+ .cse111 .cse4) 256) 127)) (not (= (mod (mod .cse112 .cse113) 256) 0)) (<= .cse114 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse113 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse111 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse111 255) .cse115) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse116 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse120 (mod (+ .cse116 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse118 (+ (- 256) .cse120))) (let ((.cse119 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse118))) (let ((.cse117 (mod .cse119 256))) (or (not (<= (mod (+ .cse116 .cse4) 256) 127)) (<= .cse117 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse118 .cse117) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod .cse116 256) 127) (not (<= (mod (+ (* .cse116 255) .cse4 .cse119) 256) 127)) (<= .cse120 127)))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse122 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse121 (mod (+ .cse122 .cse4) 256))) (let ((.cse123 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse121) 256))) (or (not (<= .cse121 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (= .cse121 0) (not (<= (mod .cse122 256) 127)) (<= (mod (+ .cse122 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= .cse123 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse121 .cse123) 256) 0)) (= .cse122 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse124 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse125 (mod .cse124 256))) (let ((.cse126 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse125) 256))) (or (not (<= (mod (+ .cse124 .cse4) 256) 127)) (= .cse125 0) (<= .cse126 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse125 127)) (not (= (mod (mod .cse125 .cse126) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse124 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|)))) .cse35) (or .cse35 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse128 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse127 (mod (+ .cse128 .cse4) 256))) (let ((.cse129 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse127) 256))) (or (not (<= .cse127 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse128 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (= .cse127 0) (not (<= (mod .cse128 256) 127)) (<= .cse129 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse127 .cse129) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse130 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse131 (mod .cse130 256))) (let ((.cse132 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse131) 256))) (or (not (<= (mod (+ .cse130 .cse4) 256) 127)) (= .cse131 0) (not (<= (mod (+ .cse130 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse132 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse131 127)) (not (= (mod (mod .cse131 .cse132) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))))) (or .cse35 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse135 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse136 (mod .cse135 256))) (let ((.cse133 (+ (- 256) .cse136))) (let ((.cse137 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse133))) (let ((.cse134 (mod .cse137 256))) (or (not (= (mod (mod .cse133 .cse134) 256) 0)) (<= (mod (+ .cse135 .cse4) 256) 127) (<= .cse136 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse134 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse135 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse135 255) .cse137) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse140 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse142 (mod (+ .cse140 .cse4) 256))) (let ((.cse138 (+ (- 256) .cse142))) (let ((.cse141 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse138))) (let ((.cse139 (mod .cse141 256))) (or (not (= (mod (mod .cse138 .cse139) 256) 0)) (not (<= (mod (+ (* .cse140 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse141) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse142 127) (<= (mod .cse140 256) 127) (<= .cse139 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse140 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse146 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse145 (mod (+ .cse146 .cse4) 256))) (let ((.cse143 (+ (- 256) .cse145))) (let ((.cse147 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse143))) (let ((.cse144 (mod .cse147 256))) (or (not (= (mod (mod .cse143 .cse144) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse145 127) (<= (mod .cse146 256) 127) (<= .cse144 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse146 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse146 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse147) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse150 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse152 (mod .cse150 256))) (let ((.cse148 (+ (- 256) .cse152))) (let ((.cse151 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse148))) (let ((.cse149 (mod .cse151 256))) (or (not (= (mod (mod .cse148 .cse149) 256) 0)) (not (<= (mod (+ (* .cse150 255) .cse151) 256) 127)) (<= (mod (+ .cse150 .cse4) 256) 127) (<= .cse152 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse149 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse150 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))))) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse155 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse154 (mod (+ .cse155 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse153 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse154) 256))) (or (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse153 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse154 127)) (<= (mod (+ .cse155 .cse4) 256) 127) (= 0 .cse154) (not (<= (mod .cse155 256) 127)) (not (= (mod (mod .cse154 .cse153) 256) 0)) (= .cse155 0)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse157 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse156 (mod .cse157 256))) (let ((.cse158 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse156) 256))) (or (= .cse156 0) (not (<= (mod (+ .cse157 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse157 .cse4) 256) 127) (<= .cse158 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse156 127)) (not (= (mod (mod .cse156 .cse158) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse162 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse161 (mod (+ .cse162 .cse4) 256))) (let ((.cse159 (+ (- 256) .cse161))) (let ((.cse163 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse159))) (let ((.cse160 (mod .cse163 256))) (or (not (= (mod (mod .cse159 .cse160) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse161 127) (<= .cse160 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse162 256) 127)) (<= (mod (+ .cse162 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse162 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse163) 256) 127) (= .cse162 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse165 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse164 (mod .cse165 256))) (let ((.cse166 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse164) 256))) (or (= .cse164 0) (<= (mod (+ .cse165 .cse4) 256) 127) (<= .cse166 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse164 127)) (not (= (mod (mod .cse164 .cse166) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse165 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse169 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse171 (mod (+ .cse169 .cse4) 256))) (let ((.cse167 (+ (- 256) .cse171))) (let ((.cse170 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse167))) (let ((.cse168 (mod .cse170 256))) (or (not (= (mod (mod .cse167 .cse168) 256) 0)) (not (<= (mod (+ (* .cse169 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse170) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse171 127) (<= .cse168 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse169 256) 127)) (<= (mod (+ .cse169 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))))))))) .cse35) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse172 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse173 (mod .cse172 256))) (let ((.cse174 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse173) 256))) (or (not (<= (mod (+ .cse172 .cse4) 256) 127)) (= .cse173 0) (<= .cse174 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse173 127)) (not (= (mod (mod .cse173 .cse174) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse172 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse175 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse179 (mod (+ .cse175 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse178 (+ (- 256) .cse179))) (let ((.cse176 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse178))) (let ((.cse177 (mod .cse176 256))) (or (not (<= (mod (+ .cse175 .cse4) 256) 127)) (<= (mod (+ (* .cse175 255) .cse4 .cse176) 256) 127) (<= .cse177 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse178 .cse177) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod .cse175 256) 127)) (<= .cse179 127) (= .cse175 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse180 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse184 (mod (+ .cse180 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse182 (+ (- 256) .cse184))) (let ((.cse183 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse182))) (let ((.cse181 (mod .cse183 256))) (or (not (<= (mod (+ .cse180 .cse4) 256) 127)) (<= .cse181 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse182 .cse181) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ (* .cse180 255) .cse4 .cse183) 256) 127)) (not (<= (mod .cse180 256) 127)) (<= .cse184 127) (= .cse180 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))))) (or .cse35 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse186 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse185 (mod (+ .cse186 .cse4) 256))) (let ((.cse187 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse185) 256))) (or (not (<= .cse185 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (= .cse185 0) (<= (mod .cse186 256) 127) (<= (mod (+ .cse186 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= .cse187 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse185 .cse187) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse188 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse192 (mod .cse188 256))) (let ((.cse189 (+ (- 256) .cse192))) (let ((.cse191 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse189))) (let ((.cse190 (mod .cse191 256))) (or (not (<= (mod (+ .cse188 .cse4) 256) 127)) (not (= (mod (mod .cse189 .cse190) 256) 0)) (not (<= (mod (+ (* .cse188 255) .cse191) 256) 127)) (<= .cse192 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse190 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse188 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse193 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse196 (mod .cse193 256))) (let ((.cse194 (+ (- 256) .cse196))) (let ((.cse197 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse194))) (let ((.cse195 (mod .cse197 256))) (or (not (<= (mod (+ .cse193 .cse4) 256) 127)) (not (= (mod (mod .cse194 .cse195) 256) 0)) (<= .cse196 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse195 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse193 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse193 255) .cse197) 256) 127)))))))))))) (or .cse0 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse200 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse199 (mod (+ .cse200 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse198 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse199) 256))) (or (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse198 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse199 127)) (<= (mod (+ .cse200 .cse4) 256) 127) (<= (mod .cse200 256) 127) (= 0 .cse199) (not (= (mod (mod .cse199 .cse198) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse203 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse204 (mod .cse203 256))) (let ((.cse201 (+ (- 256) .cse204))) (let ((.cse205 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse201))) (let ((.cse202 (mod .cse205 256))) (or (not (= (mod (mod .cse201 .cse202) 256) 0)) (not (<= (mod (+ .cse203 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse203 .cse4) 256) 127) (<= .cse204 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse202 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse203 255) .cse205) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse208 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse209 (mod .cse208 256))) (let ((.cse206 (+ (- 256) .cse209))) (let ((.cse210 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse206))) (let ((.cse207 (mod .cse210 256))) (or (not (= (mod (mod .cse206 .cse207) 256) 0)) (not (<= (mod (+ .cse208 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse208 .cse4) 256) 127) (<= .cse209 127) (< 127 (mod (+ (* .cse208 255) .cse210) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse207 |c_ULTIMATE.start_main1_~y~0#1|))))))))))))))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0) (not (< 0 |c_ULTIMATE.start_main1_~y~0#1|))) is different from true [2022-12-14 09:37:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2022-12-14 09:37:45,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:46,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982410631] [2022-12-14 09:37:46,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:37:46,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543922362] [2022-12-14 09:37:46,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543922362] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:37:46,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [283817883] [2022-12-14 09:37:46,001 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-12-14 09:37:46,001 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:37:46,001 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:37:46,002 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:37:46,002 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:37:46,071 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:37:46,634 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '306#(and (= |ULTIMATE.start_gcd_test_~b#1| 0) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~b#1| 128)) (<= |ULTIMATE.start_gcd_test_#in~a#1| 127) (<= |ULTIMATE.start_main1_~x~0#1| 127) (<= |ULTIMATE.start_gcd_test_#in~b#1| 127) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (< 0 |ULTIMATE.start_main1_~y~0#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_#in~a#1| 128)) (= (ite (<= |ULTIMATE.start_main1_~g~0#1| |ULTIMATE.start_main1_~y~0#1|) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 (+ |ULTIMATE.start_main1_~x~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_main1_~g~0#1| |ULTIMATE.start_gcd_test_#res#1|) (= |ULTIMATE.start_gcd_test_~a#1| |ULTIMATE.start_gcd_test_#res#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 09:37:46,634 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:37:46,634 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 09:37:46,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-14 09:37:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572401809] [2022-12-14 09:37:46,635 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 09:37:46,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 09:37:46,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 09:37:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=148, Unknown=5, NotChecked=140, Total=342 [2022-12-14 09:37:46,636 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-12-14 09:37:48,708 WARN L859 $PredicateComparison]: unable to prove that (and (let ((.cse0 (< |c_ULTIMATE.start_main1_~y~0#1| 0))) (or (and .cse0 (let ((.cse1 (mod (* |c_ULTIMATE.start_main1_~y~0#1| 255) 256))) (let ((.cse2 (<= .cse1 127))) (or (and (= .cse1 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (not .cse2)) (and (= .cse1 |c_ULTIMATE.start_gcd_test_~b#1|) .cse2))))) (and (not .cse0) (= |c_ULTIMATE.start_main1_~y~0#1| |c_ULTIMATE.start_gcd_test_~b#1|)))) (or (let ((.cse38 (< |c_ULTIMATE.start_gcd_test_~b#1| 0))) (let ((.cse3 (not .cse38)) (.cse7 (* |c_ULTIMATE.start_gcd_test_~b#1| 255))) (and (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse6 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse9 (mod (+ .cse6 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse5 (+ (- 256) .cse9))) (let ((.cse8 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse5))) (let ((.cse4 (mod .cse8 256))) (or (<= .cse4 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse5 .cse4) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse6 .cse7) 256) 127) (<= (mod .cse6 256) 127) (not (<= (mod (+ (* .cse6 255) .cse7 .cse8) 256) 127)) (<= .cse9 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse12 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse13 (mod .cse12 256))) (let ((.cse10 (+ (- 256) .cse13))) (let ((.cse14 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse10))) (let ((.cse11 (mod .cse14 256))) (or (not (= (mod (mod .cse10 .cse11) 256) 0)) (<= (mod (+ .cse12 .cse7) 256) 127) (<= .cse13 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse11 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse12 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse12 255) .cse14) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse15 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse19 (mod (+ .cse15 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse18 (+ (- 256) .cse19))) (let ((.cse16 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse18))) (let ((.cse17 (mod .cse16 256))) (or (<= (mod (+ (* .cse15 255) .cse7 .cse16) 256) 127) (<= .cse17 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse18 .cse17) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse15 .cse7) 256) 127) (<= (mod .cse15 256) 127) (<= .cse19 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse22 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse24 (mod .cse22 256))) (let ((.cse20 (+ (- 256) .cse24))) (let ((.cse23 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse20))) (let ((.cse21 (mod .cse23 256))) (or (not (= (mod (mod .cse20 .cse21) 256) 0)) (not (<= (mod (+ (* .cse22 255) .cse23) 256) 127)) (<= (mod (+ .cse22 .cse7) 256) 127) (<= .cse24 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse21 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse22 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse25 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse28 (mod .cse25 256))) (let ((.cse26 (+ (- 256) .cse28))) (let ((.cse29 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse26))) (let ((.cse27 (mod .cse29 256))) (or (not (<= (mod (+ .cse25 .cse7) 256) 127)) (not (= (mod (mod .cse26 .cse27) 256) 0)) (not (<= (mod (+ .cse25 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse28 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse27 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse25 255) .cse29) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse30 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse32 (mod (+ .cse30 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse31 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse32) 256))) (or (not (<= (mod (+ .cse30 .cse7) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse31 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse32 127)) (<= (mod .cse30 256) 127) (= 0 .cse32) (not (= (mod (mod .cse32 .cse31) 256) 0))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse33 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse36 (mod .cse33 256))) (let ((.cse34 (+ (- 256) .cse36))) (let ((.cse37 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse34))) (let ((.cse35 (mod .cse37 256))) (or (not (<= (mod (+ .cse33 .cse7) 256) 127)) (not (= (mod (mod .cse34 .cse35) 256) 0)) (not (<= (mod (+ .cse33 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse36 127) (< 127 (mod (+ (* .cse33 255) .cse37) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse35 |c_ULTIMATE.start_main1_~y~0#1|))))))))))) .cse3) (or .cse38 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse41 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse42 (mod (+ .cse41 .cse7) 256))) (let ((.cse39 (+ (- 256) .cse42))) (let ((.cse43 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse39))) (let ((.cse40 (mod .cse43 256))) (or (not (= (mod (mod .cse39 .cse40) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse41 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse42 127) (<= (mod .cse41 256) 127) (<= .cse40 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse41 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse43) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse46 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse47 (mod .cse46 256))) (let ((.cse44 (+ (- 256) .cse47))) (let ((.cse48 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse44))) (let ((.cse45 (mod .cse48 256))) (or (not (= (mod (mod .cse44 .cse45) 256) 0)) (not (<= (mod (+ .cse46 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse46 .cse7) 256) 127) (<= .cse47 127) (< 127 (mod (+ (* .cse46 255) .cse48) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse45 |c_ULTIMATE.start_main1_~y~0#1|)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse51 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse52 (mod .cse51 256))) (let ((.cse49 (+ (- 256) .cse52))) (let ((.cse53 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse49))) (let ((.cse50 (mod .cse53 256))) (or (not (= (mod (mod .cse49 .cse50) 256) 0)) (not (<= (mod (+ .cse51 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse51 .cse7) 256) 127) (<= .cse52 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse50 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse51 255) .cse53) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse54 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse58 (mod (+ .cse54 .cse7) 256))) (let ((.cse56 (+ (- 256) .cse58))) (let ((.cse55 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse56))) (let ((.cse57 (mod .cse55 256))) (or (< 127 (mod (+ (* .cse54 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse55) 256)) (not (= (mod (mod .cse56 .cse57) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse54 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse58 127) (<= (mod .cse54 256) 127) (<= .cse57 |c_ULTIMATE.start_main1_~y~0#1|)))))))))))) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse59 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse60 (mod .cse59 256))) (let ((.cse61 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse60) 256))) (or (not (<= (mod (+ .cse59 .cse7) 256) 127)) (= .cse60 0) (not (<= (mod (+ .cse59 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse61 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse60 127)) (not (= (mod (mod .cse60 .cse61) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse62 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse64 (mod (+ .cse62 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse63 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse64) 256))) (or (not (<= (mod (+ .cse62 .cse7) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse63 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse64 127)) (= 0 .cse64) (not (<= (mod .cse62 256) 127)) (not (= (mod (mod .cse64 .cse63) 256) 0))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse66 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse65 (mod .cse66 256))) (let ((.cse67 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse65) 256))) (or (= .cse65 0) (not (<= (mod (+ .cse66 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse66 .cse7) 256) 127) (<= .cse67 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse65 127)) (not (= (mod (mod .cse65 .cse67) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse70 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse71 (mod (+ .cse70 .cse7) 256))) (let ((.cse68 (+ (- 256) .cse71))) (let ((.cse72 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse68))) (let ((.cse69 (mod .cse72 256))) (or (not (= (mod (mod .cse68 .cse69) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse70 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse71 127) (<= .cse69 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse70 256) 127)) (<= (mod (+ (* .cse70 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse72) 256) 127) (= .cse70 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse75 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse77 (mod (+ .cse75 .cse7) 256))) (let ((.cse73 (+ (- 256) .cse77))) (let ((.cse76 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse73))) (let ((.cse74 (mod .cse76 256))) (or (not (= (mod (mod .cse73 .cse74) 256) 0)) (not (<= (mod (+ (* .cse75 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse76) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse75 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse77 127) (<= .cse74 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse75 256) 127)) (= .cse75 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|)))) .cse38) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse79 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse78 (mod .cse79 256))) (let ((.cse80 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse78) 256))) (or (= .cse78 0) (<= (mod (+ .cse79 .cse7) 256) 127) (<= .cse80 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse78 127)) (not (= (mod (mod .cse78 .cse80) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse79 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse81 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse85 (mod (+ .cse81 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse84 (+ (- 256) .cse85))) (let ((.cse82 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse84))) (let ((.cse83 (mod .cse82 256))) (or (<= (mod (+ (* .cse81 255) .cse7 .cse82) 256) 127) (<= .cse83 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse84 .cse83) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse81 .cse7) 256) 127) (not (<= (mod .cse81 256) 127)) (<= .cse85 127) (= .cse81 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse88 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse90 (mod (+ .cse88 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse87 (+ (- 256) .cse90))) (let ((.cse89 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse87))) (let ((.cse86 (mod .cse89 256))) (or (<= .cse86 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse87 .cse86) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod (+ .cse88 .cse7) 256) 127) (not (<= (mod (+ (* .cse88 255) .cse7 .cse89) 256) 127)) (not (<= (mod .cse88 256) 127)) (<= .cse90 127)))))))))))) (or .cse38 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse91 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse94 (mod .cse91 256))) (let ((.cse92 (+ (- 256) .cse94))) (let ((.cse95 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse92))) (let ((.cse93 (mod .cse95 256))) (or (not (<= (mod (+ .cse91 .cse7) 256) 127)) (not (= (mod (mod .cse92 .cse93) 256) 0)) (not (<= (mod (+ .cse91 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse94 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse93 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse91 255) .cse95) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse96 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse100 (mod .cse96 256))) (let ((.cse97 (+ (- 256) .cse100))) (let ((.cse99 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse97))) (let ((.cse98 (mod .cse99 256))) (or (not (<= (mod (+ .cse96 .cse7) 256) 127)) (not (= (mod (mod .cse97 .cse98) 256) 0)) (not (<= (mod (+ (* .cse96 255) .cse99) 256) 127)) (not (<= (mod (+ .cse96 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse100 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse98 |c_ULTIMATE.start_main1_~y~0#1|)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse102 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse101 (mod (+ .cse102 .cse7) 256))) (let ((.cse103 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse101) 256))) (or (not (<= .cse101 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse102 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (= .cse101 0) (<= (mod .cse102 256) 127) (<= .cse103 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse101 .cse103) 256) 0))))))))))) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse104 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse108 (mod (+ .cse104 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse107 (+ (- 256) .cse108))) (let ((.cse105 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse107))) (let ((.cse106 (mod .cse105 256))) (or (not (<= (mod (+ .cse104 .cse7) 256) 127)) (<= (mod (+ (* .cse104 255) .cse7 .cse105) 256) 127) (<= .cse106 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse107 .cse106) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod .cse104 256) 127) (<= .cse108 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse109 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse113 (mod .cse109 256))) (let ((.cse110 (+ (- 256) .cse113))) (let ((.cse112 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse110))) (let ((.cse111 (mod .cse112 256))) (or (not (<= (mod (+ .cse109 .cse7) 256) 127)) (not (= (mod (mod .cse110 .cse111) 256) 0)) (not (<= (mod (+ (* .cse109 255) .cse112) 256) 127)) (<= .cse113 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse111 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse109 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse114 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse117 (mod .cse114 256))) (let ((.cse115 (+ (- 256) .cse117))) (let ((.cse118 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse115))) (let ((.cse116 (mod .cse118 256))) (or (not (<= (mod (+ .cse114 .cse7) 256) 127)) (not (= (mod (mod .cse115 .cse116) 256) 0)) (<= .cse117 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse116 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse114 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse114 255) .cse118) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse119 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse123 (mod (+ .cse119 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse121 (+ (- 256) .cse123))) (let ((.cse122 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse121))) (let ((.cse120 (mod .cse122 256))) (or (not (<= (mod (+ .cse119 .cse7) 256) 127)) (<= .cse120 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse121 .cse120) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= (mod .cse119 256) 127) (not (<= (mod (+ (* .cse119 255) .cse7 .cse122) 256) 127)) (<= .cse123 127)))))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse125 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse124 (mod (+ .cse125 .cse7) 256))) (let ((.cse126 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse124) 256))) (or (not (<= .cse124 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (= .cse124 0) (not (<= (mod .cse125 256) 127)) (<= (mod (+ .cse125 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= .cse126 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse124 .cse126) 256) 0)) (= .cse125 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse127 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse128 (mod .cse127 256))) (let ((.cse129 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse128) 256))) (or (not (<= (mod (+ .cse127 .cse7) 256) 127)) (= .cse128 0) (<= .cse129 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse128 127)) (not (= (mod (mod .cse128 .cse129) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse127 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|)))) .cse38) (or .cse38 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse131 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse130 (mod (+ .cse131 .cse7) 256))) (let ((.cse132 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse130) 256))) (or (not (<= .cse130 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ .cse131 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (= .cse130 0) (not (<= (mod .cse131 256) 127)) (<= .cse132 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse130 .cse132) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse133 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse134 (mod .cse133 256))) (let ((.cse135 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse134) 256))) (or (not (<= (mod (+ .cse133 .cse7) 256) 127)) (= .cse134 0) (not (<= (mod (+ .cse133 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= .cse135 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse134 127)) (not (= (mod (mod .cse134 .cse135) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))))) (or .cse38 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse138 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse139 (mod .cse138 256))) (let ((.cse136 (+ (- 256) .cse139))) (let ((.cse140 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse136))) (let ((.cse137 (mod .cse140 256))) (or (not (= (mod (mod .cse136 .cse137) 256) 0)) (<= (mod (+ .cse138 .cse7) 256) 127) (<= .cse139 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse137 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse138 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse138 255) .cse140) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse143 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse145 (mod (+ .cse143 .cse7) 256))) (let ((.cse141 (+ (- 256) .cse145))) (let ((.cse144 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse141))) (let ((.cse142 (mod .cse144 256))) (or (not (= (mod (mod .cse141 .cse142) 256) 0)) (not (<= (mod (+ (* .cse143 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse144) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse145 127) (<= (mod .cse143 256) 127) (<= .cse142 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse143 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse149 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse148 (mod (+ .cse149 .cse7) 256))) (let ((.cse146 (+ (- 256) .cse148))) (let ((.cse150 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse146))) (let ((.cse147 (mod .cse150 256))) (or (not (= (mod (mod .cse146 .cse147) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse148 127) (<= (mod .cse149 256) 127) (<= .cse147 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse149 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse149 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse150) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse153 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse155 (mod .cse153 256))) (let ((.cse151 (+ (- 256) .cse155))) (let ((.cse154 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse151))) (let ((.cse152 (mod .cse154 256))) (or (not (= (mod (mod .cse151 .cse152) 256) 0)) (not (<= (mod (+ (* .cse153 255) .cse154) 256) 127)) (<= (mod (+ .cse153 .cse7) 256) 127) (<= .cse155 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse152 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse153 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))))) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse158 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse157 (mod (+ .cse158 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse156 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse157) 256))) (or (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse156 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse157 127)) (<= (mod (+ .cse158 .cse7) 256) 127) (= 0 .cse157) (not (<= (mod .cse158 256) 127)) (not (= (mod (mod .cse157 .cse156) 256) 0)) (= .cse158 0)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse160 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse159 (mod .cse160 256))) (let ((.cse161 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse159) 256))) (or (= .cse159 0) (not (<= (mod (+ .cse160 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse160 .cse7) 256) 127) (<= .cse161 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse159 127)) (not (= (mod (mod .cse159 .cse161) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0)))))))))) (or (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse165 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse164 (mod (+ .cse165 .cse7) 256))) (let ((.cse162 (+ (- 256) .cse164))) (let ((.cse166 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse162))) (let ((.cse163 (mod .cse166 256))) (or (not (= (mod (mod .cse162 .cse163) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse164 127) (<= .cse163 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse165 256) 127)) (<= (mod (+ .cse165 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse165 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse166) 256) 127) (= .cse165 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse168 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse167 (mod .cse168 256))) (let ((.cse169 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse167) 256))) (or (= .cse167 0) (<= (mod (+ .cse168 .cse7) 256) 127) (<= .cse169 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse167 127)) (not (= (mod (mod .cse167 .cse169) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse168 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse172 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse174 (mod (+ .cse172 .cse7) 256))) (let ((.cse170 (+ (- 256) .cse174))) (let ((.cse173 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse170))) (let ((.cse171 (mod .cse173 256))) (or (not (= (mod (mod .cse170 .cse171) 256) 0)) (not (<= (mod (+ (* .cse172 255) |c_ULTIMATE.start_gcd_test_~b#1| .cse173) 256) 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse174 127) (<= .cse171 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= (mod .cse172 256) 127)) (<= (mod (+ .cse172 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127))))))))))) .cse38) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse175 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse176 (mod .cse175 256))) (let ((.cse177 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse176) 256))) (or (not (<= (mod (+ .cse175 .cse7) 256) 127)) (= .cse176 0) (<= .cse177 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse176 127)) (not (= (mod (mod .cse176 .cse177) 256) 0)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= (mod (+ .cse175 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse178 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse182 (mod (+ .cse178 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse181 (+ (- 256) .cse182))) (let ((.cse179 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse181))) (let ((.cse180 (mod .cse179 256))) (or (not (<= (mod (+ .cse178 .cse7) 256) 127)) (<= (mod (+ (* .cse178 255) .cse7 .cse179) 256) 127) (<= .cse180 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse181 .cse180) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod .cse178 256) 127)) (<= .cse182 127) (= .cse178 0)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse183 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse187 (mod (+ .cse183 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse185 (+ (- 256) .cse187))) (let ((.cse186 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse185))) (let ((.cse184 (mod .cse186 256))) (or (not (<= (mod (+ .cse183 .cse7) 256) 127)) (<= .cse184 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse185 .cse184) 256) 0)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (not (<= (mod (+ (* .cse183 255) .cse7 .cse186) 256) 127)) (not (<= (mod .cse183 256) 127)) (<= .cse187 127) (= .cse183 0)))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))))) (or .cse38 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse189 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse188 (mod (+ .cse189 .cse7) 256))) (let ((.cse190 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse188) 256))) (or (not (<= .cse188 127)) (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (= .cse188 0) (<= (mod .cse189 256) 127) (<= (mod (+ .cse189 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= .cse190 |c_ULTIMATE.start_main1_~y~0#1|) (not (= (mod (mod .cse188 .cse190) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse191 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse195 (mod .cse191 256))) (let ((.cse192 (+ (- 256) .cse195))) (let ((.cse194 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse192))) (let ((.cse193 (mod .cse194 256))) (or (not (<= (mod (+ .cse191 .cse7) 256) 127)) (not (= (mod (mod .cse192 .cse193) 256) 0)) (not (<= (mod (+ (* .cse191 255) .cse194) 256) 127)) (<= .cse195 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse193 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse191 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| |c_ULTIMATE.start_gcd_test_~b#1|) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse196 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse199 (mod .cse196 256))) (let ((.cse197 (+ (- 256) .cse199))) (let ((.cse200 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse197))) (let ((.cse198 (mod .cse200 256))) (or (not (<= (mod (+ .cse196 .cse7) 256) 127)) (not (= (mod (mod .cse197 .cse198) 256) 0)) (<= .cse199 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse198 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ .cse196 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127) (<= (mod (+ (* .cse196 255) .cse200) 256) 127)))))))))))) (or .cse3 (and (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse203 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse202 (mod (+ .cse203 |c_ULTIMATE.start_gcd_test_~b#1|) 256))) (let ((.cse201 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse202) 256))) (or (not (< |ULTIMATE.start_gcd_test_~a#1| 0)) (<= .cse201 |c_ULTIMATE.start_main1_~y~0#1|) (not (<= .cse202 127)) (<= (mod (+ .cse203 .cse7) 256) 127) (<= (mod .cse203 256) 127) (= 0 .cse202) (not (= (mod (mod .cse202 .cse201) 256) 0))))))) (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse206 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse207 (mod .cse206 256))) (let ((.cse204 (+ (- 256) .cse207))) (let ((.cse208 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse204))) (let ((.cse205 (mod .cse208 256))) (or (not (= (mod (mod .cse204 .cse205) 256) 0)) (not (<= (mod (+ .cse206 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse206 .cse7) 256) 127) (<= .cse207 127) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse205 |c_ULTIMATE.start_main1_~y~0#1|) (<= (mod (+ (* .cse206 255) .cse208) 256) 127)))))))))) (forall ((|v_ULTIMATE.start_gcd_test_~a#1_30| Int)) (or (< |v_ULTIMATE.start_gcd_test_~a#1_30| 0) (forall ((|ULTIMATE.start_gcd_test_~a#1| Int)) (let ((.cse211 (mod |ULTIMATE.start_gcd_test_~a#1| |c_ULTIMATE.start_gcd_test_~b#1|))) (let ((.cse212 (mod .cse211 256))) (let ((.cse209 (+ (- 256) .cse212))) (let ((.cse213 (mod |v_ULTIMATE.start_gcd_test_~a#1_30| .cse209))) (let ((.cse210 (mod .cse213 256))) (or (not (= (mod (mod .cse209 .cse210) 256) 0)) (not (<= (mod (+ .cse211 |c_ULTIMATE.start_gcd_test_~b#1|) 256) 127)) (<= (mod (+ .cse211 .cse7) 256) 127) (<= .cse212 127) (< 127 (mod (+ (* .cse211 255) .cse213) 256)) (< |ULTIMATE.start_gcd_test_~a#1| 0) (<= .cse210 |c_ULTIMATE.start_main1_~y~0#1|))))))))))))))) (= |c_ULTIMATE.start_gcd_test_~b#1| 0) (not (< 0 |c_ULTIMATE.start_main1_~y~0#1|))) (<= |c_ULTIMATE.start_main1_~y~0#1| 127)) is different from true [2022-12-14 09:38:55,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 139 [2022-12-14 09:38:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:38:55,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=56, Invalid=172, Unknown=6, NotChecked=186, Total=420 [2022-12-14 09:38:55,078 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:38:55,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 25 Unchecked, 0.5s Time] [2022-12-14 09:38:55,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:38:55,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:38:55,282 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 55 more [2022-12-14 09:38:55,290 INFO L158 Benchmark]: Toolchain (without parser) took 423476.64ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 78.1MB in the beginning and 105.8MB in the end (delta: -27.6MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,291 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:38:55,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.89ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 66.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.62ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,292 INFO L158 Benchmark]: Boogie Preprocessor took 24.48ms. Allocated memory is still 119.5MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,292 INFO L158 Benchmark]: RCFGBuilder took 295.84ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 63.4MB in the beginning and 132.2MB in the end (delta: -68.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,293 INFO L158 Benchmark]: TraceAbstraction took 422883.10ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 105.8MB in the end (delta: 26.0MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2022-12-14 09:38:55,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.89ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 66.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.62ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.48ms. Allocated memory is still 119.5MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.84ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 63.4MB in the beginning and 132.2MB in the end (delta: -68.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 422883.10ms. Allocated memory is still 161.5MB. Free memory was 131.7MB in the beginning and 105.8MB in the end (delta: 26.0MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh --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 f6c5808fcdfedd93e514ea4bc51242b78bf5dcc9e332c7faf3dfcc4d6de127e2 --- 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-2329fc7 [2022-12-14 09:38:56,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:38:56,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:38:56,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:38:56,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:38:56,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:38:56,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:38:56,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:38:56,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:38:56,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:38:56,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:38:56,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:38:56,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:38:56,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:38:56,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:38:56,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:38:56,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:38:56,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:38:56,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:38:56,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:38:56,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:38:56,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:38:56,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:38:56,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:38:56,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:38:56,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:38:56,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:38:56,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:38:56,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:38:56,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:38:56,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:38:56,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:38:56,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:38:56,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:38:56,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:38:56,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:38:56,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:38:56,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:38:56,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:38:56,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:38:56,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:38:56,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 09:38:56,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:38:56,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:38:56,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:38:56,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:38:56,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:38:56,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:38:56,712 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:38:56,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:38:56,712 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:38:56,712 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:38:56,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:38:56,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:38:56,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:38:56,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:38:56,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:38:56,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:38:56,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:38:56,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:38:56,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:38:56,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:38:56,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:38:56,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:38:56,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:38:56,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:38:56,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:38:56,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:38:56,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:38:56,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:38:56,717 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:38:56,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:38:56,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:38:56,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:38:56,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:38:56,718 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c5808fcdfedd93e514ea4bc51242b78bf5dcc9e332c7faf3dfcc4d6de127e2 [2022-12-14 09:38:56,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:38:56,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:38:56,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:38:56,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:38:56,944 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:38:56,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/combinations/gcd_2+newton_2_3.i [2022-12-14 09:38:59,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:38:59,718 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:38:59,719 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i [2022-12-14 09:38:59,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/054d0ccc9/d57efdb1192444c29d0c7c3df52b7bf0/FLAGabfc30bbe [2022-12-14 09:38:59,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/data/054d0ccc9/d57efdb1192444c29d0c7c3df52b7bf0 [2022-12-14 09:38:59,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:38:59,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:38:59,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:38:59,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:38:59,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:38:59,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:38:59,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b74f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59, skipping insertion in model container [2022-12-14 09:38:59,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:38:59,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:38:59,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:38:59,916 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[1226,1239] [2022-12-14 09:38:59,941 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[2841,2854] [2022-12-14 09:38:59,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:38:59,952 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:38:59,962 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[1226,1239] [2022-12-14 09:38:59,969 WARN L237 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_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/sv-benchmarks/c/combinations/gcd_2+newton_2_3.i[2841,2854] [2022-12-14 09:38:59,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:38:59,981 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:38:59,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59 WrapperNode [2022-12-14 09:38:59,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:38:59,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:38:59,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:38:59,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:38:59,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:38:59,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,018 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2022-12-14 09:39:00,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:39:00,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:39:00,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:39:00,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:39:00,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:39:00,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:39:00,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:39:00,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:39:00,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (1/1) ... [2022-12-14 09:39:00,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:39:00,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:39:00,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:39:00,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:39:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:39:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 09:39:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2022-12-14 09:39:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2022-12-14 09:39:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-14 09:39:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-14 09:39:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:39:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:39:00,187 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:39:00,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:39:07,801 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:39:07,806 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:39:07,806 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:39:07,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:39:07 BoogieIcfgContainer [2022-12-14 09:39:07,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:39:07,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:39:07,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:39:07,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:39:07,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:38:59" (1/3) ... [2022-12-14 09:39:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a76e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:39:07, skipping insertion in model container [2022-12-14 09:39:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:38:59" (2/3) ... [2022-12-14 09:39:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a76e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:39:07, skipping insertion in model container [2022-12-14 09:39:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:39:07" (3/3) ... [2022-12-14 09:39:07,814 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2+newton_2_3.i [2022-12-14 09:39:07,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:39:07,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:39:07,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:39:07,865 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;@3dede274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:39:07,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:39:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:39:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:39:07,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:07,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:07,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:07,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1709385323, now seen corresponding path program 1 times [2022-12-14 09:39:07,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:39:07,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015691011] [2022-12-14 09:39:07,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:07,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:07,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:39:07,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:39:07,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 09:39:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:07,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:39:07,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:08,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:39:08,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:39:08,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015691011] [2022-12-14 09:39:08,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015691011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:39:08,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:39:08,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:39:08,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711235105] [2022-12-14 09:39:08,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:39:08,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:39:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:39:08,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:39:08,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:39:08,113 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 30 states have internal predecessors, (39), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-12-14 09:39:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:39:08,185 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2022-12-14 09:39:08,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:39:08,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 11 [2022-12-14 09:39:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:39:08,194 INFO L225 Difference]: With dead ends: 68 [2022-12-14 09:39:08,194 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 09:39:08,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:39:08,200 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:39:08,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:39:08,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 09:39:08,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-14 09:39:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:39:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-12-14 09:39:08,242 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 11 [2022-12-14 09:39:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:39:08,243 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-12-14 09:39:08,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-12-14 09:39:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-14 09:39:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:39:08,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:08,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:08,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:39:08,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:08,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:08,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:08,449 INFO L85 PathProgramCache]: Analyzing trace with hash 65622039, now seen corresponding path program 1 times [2022-12-14 09:39:08,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:39:08,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322605410] [2022-12-14 09:39:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:08,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:08,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:39:08,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:39:08,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 09:39:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:08,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:39:08,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:08,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:39:08,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:39:08,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322605410] [2022-12-14 09:39:08,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322605410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:39:08,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:39:08,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:39:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685096465] [2022-12-14 09:39:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:39:08,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:39:08,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:39:08,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:39:08,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:39:08,639 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-12-14 09:39:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:39:08,799 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-12-14 09:39:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:39:08,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 11 [2022-12-14 09:39:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:39:08,801 INFO L225 Difference]: With dead ends: 37 [2022-12-14 09:39:08,801 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 09:39:08,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:39:08,803 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:39:08,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 84 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:39:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 09:39:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-12-14 09:39:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:39:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-12-14 09:39:08,812 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 11 [2022-12-14 09:39:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:39:08,812 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-12-14 09:39:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-12-14 09:39:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-14 09:39:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:39:08,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:08,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:08,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 09:39:09,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:09,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:09,017 INFO L85 PathProgramCache]: Analyzing trace with hash 149955676, now seen corresponding path program 1 times [2022-12-14 09:39:09,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:39:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194243999] [2022-12-14 09:39:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:09,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:39:09,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:39:09,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 09:39:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:09,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:39:09,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:39:09,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:39:09,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:39:09,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194243999] [2022-12-14 09:39:09,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194243999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:39:09,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:39:09,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:39:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862141367] [2022-12-14 09:39:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:39:09,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:39:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:39:09,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:39:09,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:39:09,238 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-12-14 09:39:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:39:09,330 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-12-14 09:39:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:39:09,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 12 [2022-12-14 09:39:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:39:09,332 INFO L225 Difference]: With dead ends: 38 [2022-12-14 09:39:09,332 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 09:39:09,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:39:09,334 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:39:09,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:39:09,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 09:39:09,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-14 09:39:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:39:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-12-14 09:39:09,341 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 12 [2022-12-14 09:39:09,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:39:09,341 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-12-14 09:39:09,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-12-14 09:39:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-12-14 09:39:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:39:09,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:09,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:09,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 09:39:09,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:09,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:09,544 INFO L85 PathProgramCache]: Analyzing trace with hash -659390950, now seen corresponding path program 1 times [2022-12-14 09:39:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:39:09,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132735455] [2022-12-14 09:39:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:39:09,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:39:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 09:39:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:09,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 09:39:09,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:10,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:39:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:10,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:39:10,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132735455] [2022-12-14 09:39:10,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132735455] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:39:10,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [75741799] [2022-12-14 09:39:10,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:10,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:39:10,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:39:10,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:39:10,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-12-14 09:39:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:10,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 09:39:10,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:10,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:39:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:11,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [75741799] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:39:11,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448145905] [2022-12-14 09:39:11,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:39:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:39:11,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:39:11,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:39:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:11,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 09:39:11,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:11,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:39:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:39:11,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448145905] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:39:11,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:39:11,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8, 7] total 18 [2022-12-14 09:39:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27300591] [2022-12-14 09:39:11,973 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:39:11,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 09:39:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:39:11,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 09:39:11,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-12-14 09:39:11,975 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2022-12-14 09:39:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:39:15,637 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-12-14 09:39:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 09:39:15,637 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 12 [2022-12-14 09:39:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:39:15,638 INFO L225 Difference]: With dead ends: 43 [2022-12-14 09:39:15,638 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 09:39:15,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2022-12-14 09:39:15,640 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:39:15,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 159 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 09:39:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 09:39:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-14 09:39:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 09:39:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2022-12-14 09:39:15,643 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 12 [2022-12-14 09:39:15,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:39:15,643 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2022-12-14 09:39:15,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2022-12-14 09:39:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-12-14 09:39:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 09:39:15,644 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:15,644 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:15,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2022-12-14 09:39:15,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 09:39:16,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 09:39:16,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:16,246 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:16,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1535073882, now seen corresponding path program 1 times [2022-12-14 09:39:16,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:39:16,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727124856] [2022-12-14 09:39:16,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:39:16,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:39:16,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:39:16,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f9c46c-65c8-461c-a61a-f73a5ac0212a/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process