./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P --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 d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:14:18,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:14:18,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:14:18,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:14:18,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:14:18,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:14:18,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:14:18,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:14:18,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:14:18,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:14:18,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:14:18,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:14:18,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:14:18,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:14:18,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:14:18,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:14:18,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:14:18,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:14:18,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:14:18,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:14:18,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:14:18,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:14:18,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:14:18,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:14:18,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:14:18,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:14:18,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:14:18,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:14:18,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:14:18,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:14:18,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:14:18,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:14:18,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:14:18,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:14:18,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:14:18,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:14:18,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:14:18,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:14:18,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:14:18,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:14:18,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:14:18,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:14:18,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:14:18,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:14:18,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:14:18,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:14:18,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:14:18,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:14:18,984 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:14:18,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:14:18,984 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:14:18,984 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:14:18,985 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:14:18,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:14:18,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:14:18,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:14:18,986 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:14:18,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:14:18,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:14:18,987 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:14:18,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:14:18,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:14:18,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:14:18,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:14:18,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:14:18,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:14:18,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:14:18,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:14:18,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:14:18,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:14:18,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:14:18,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:14:18,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:14:18,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:14:18,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:18,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:14:18,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:14:18,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:14:18,994 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:14:18,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:14:18,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:14:18,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:14:18,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:14:18,995 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 [2021-11-20 23:14:19,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:14:19,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:14:19,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:14:19,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:14:19,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:14:19,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-20 23:14:19,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/data/b4e01a21c/879ea499f98b42ddbf6f7a4a7dd1fffc/FLAG2391e1812 [2021-11-20 23:14:19,956 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:14:19,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-20 23:14:19,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/data/b4e01a21c/879ea499f98b42ddbf6f7a4a7dd1fffc/FLAG2391e1812 [2021-11-20 23:14:20,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/data/b4e01a21c/879ea499f98b42ddbf6f7a4a7dd1fffc [2021-11-20 23:14:20,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:14:20,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:14:20,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:20,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:14:20,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:14:20,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64352803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20, skipping insertion in model container [2021-11-20 23:14:20,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:14:20,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:14:20,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-20 23:14:20,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:20,586 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:14:20,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-20 23:14:20,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:20,621 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:14:20,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20 WrapperNode [2021-11-20 23:14:20,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:20,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:20,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:14:20,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:14:20,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,657 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-20 23:14:20,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:20,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:14:20,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:14:20,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:14:20,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:14:20,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:14:20,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:14:20,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:14:20,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (1/1) ... [2021-11-20 23:14:20,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:20,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:14:20,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:14:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:14:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:14:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:14:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:14:20,840 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:14:20,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:14:20,953 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:14:20,977 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:14:20,977 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:14:20,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:20 BoogieIcfgContainer [2021-11-20 23:14:20,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:14:20,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:14:20,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:14:21,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:14:21,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:14:20" (1/3) ... [2021-11-20 23:14:21,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:21, skipping insertion in model container [2021-11-20 23:14:21,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:20" (2/3) ... [2021-11-20 23:14:21,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:21, skipping insertion in model container [2021-11-20 23:14:21,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:20" (3/3) ... [2021-11-20 23:14:21,004 INFO L111 eAbstractionObserver]: Analyzing ICFG Mono6_1.c [2021-11-20 23:14:21,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:14:21,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:14:21,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:14:21,128 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:14:21,129 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:14:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:14:21,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:21,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:14:21,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:14:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2065030, now seen corresponding path program 1 times [2021-11-20 23:14:21,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:21,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857479577] [2021-11-20 23:14:21,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:21,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:21,557 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:21,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857479577] [2021-11-20 23:14:21,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857479577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:21,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:21,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:21,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393553346] [2021-11-20 23:14:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:21,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:21,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:21,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:21,617 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-20 23:14:21,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:21,649 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-20 23:14:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:21,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2021-11-20 23:14:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:21,661 INFO L225 Difference]: With dead ends: 13 [2021-11-20 23:14:21,661 INFO L226 Difference]: Without dead ends: 6 [2021-11-20 23:14:21,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:21,669 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:21,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:14:21,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2021-11-20 23:14:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-20 23:14:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-11-20 23:14:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-20 23:14:21,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2021-11-20 23:14:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:21,707 INFO L470 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-20 23:14:21,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-20 23:14:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-20 23:14:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-20 23:14:21,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:21,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-20 23:14:21,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:14:21,709 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:14:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:21,710 INFO L85 PathProgramCache]: Analyzing trace with hash 64119683, now seen corresponding path program 1 times [2021-11-20 23:14:21,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:21,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470740789] [2021-11-20 23:14:21,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:21,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:21,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:21,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470740789] [2021-11-20 23:14:21,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470740789] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:14:21,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715186083] [2021-11-20 23:14:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:21,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:21,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:21,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:14:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:21,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 23:14:21,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:22,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:14:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:22,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715186083] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:14:22,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1753816470] [2021-11-20 23:14:22,397 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-20 23:14:22,398 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:14:22,409 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:14:22,416 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:14:22,417 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:14:23,347 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:14:23,493 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:14:23,494 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 23:14:23,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 4] total 8 [2021-11-20 23:14:23,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022966455] [2021-11-20 23:14:23,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 23:14:23,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:14:23,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:23,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:14:23,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:14:23,497 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2021-11-20 23:14:23,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:23,604 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-20 23:14:23,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:14:23,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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 5 [2021-11-20 23:14:23,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:23,606 INFO L225 Difference]: With dead ends: 13 [2021-11-20 23:14:23,606 INFO L226 Difference]: Without dead ends: 9 [2021-11-20 23:14:23,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:14:23,609 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:23,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:14:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-20 23:14:23,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-20 23:14:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-20 23:14:23,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2021-11-20 23:14:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:23,613 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-11-20 23:14:23,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2021-11-20 23:14:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-20 23:14:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:14:23,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:23,614 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2021-11-20 23:14:23,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:23,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:23,815 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:14:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash -967943738, now seen corresponding path program 2 times [2021-11-20 23:14:23,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:23,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365967849] [2021-11-20 23:14:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:23,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:24,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:24,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365967849] [2021-11-20 23:14:24,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365967849] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:14:24,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223316563] [2021-11-20 23:14:24,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 23:14:24,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:24,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:24,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:14:24,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 23:14:24,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:14:24,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:14:24,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:24,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:14:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:36,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223316563] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:14:36,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1448625358] [2021-11-20 23:14:36,962 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-20 23:14:36,963 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:14:36,963 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:14:36,963 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:14:36,964 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:14:37,602 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:14:37,873 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:14:37,873 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 23:14:37,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2021-11-20 23:14:37,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195805590] [2021-11-20 23:14:37,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 23:14:37,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 23:14:37,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:37,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 23:14:37,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=349, Unknown=2, NotChecked=0, Total=420 [2021-11-20 23:14:37,876 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2021-11-20 23:14:40,108 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse16 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse14 (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse3 (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (let ((.cse6 (* .cse3 4294967295)) (.cse11 (<= 5000000 .cse14)) (.cse13 (* .cse8 4294967295)) (.cse12 (< .cse14 5000000)) (.cse0 (<= 5000000 .cse16)) (.cse5 (< .cse2 5000000)) (.cse10 (< .cse3 5000000)) (.cse15 (* .cse14 4294967295)) (.cse9 (<= 5000000 .cse3)) (.cse1 (* |c_ULTIMATE.start_main_~z~0#1| 4294967295)) (.cse4 (<= 5000000 .cse2)) (.cse7 (< .cse16 5000000))) (and (or .cse0 (not (= (mod (+ .cse1 .cse2) (- 4294967296)) 0))) (or (and (or (not (= (mod (+ .cse3 .cse1 4294967295) (- 4294967296)) 0)) .cse4) (or .cse5 (not (= (mod (+ 2 |c_ULTIMATE.start_main_~z~0#1| .cse6) 4294967296) 0)))) .cse7) (or (and (or (not (= (mod (+ .cse1 4294967295 .cse8) (- 4294967296)) 0)) .cse4) (or .cse5 (and (or (not (= (mod (+ .cse1 4294967294 .cse8) (- 4294967296)) 0)) .cse9) (or .cse10 (and (or .cse11 (not (= 0 (mod (+ .cse1 .cse8 4294967293) (- 4294967296))))) (or .cse12 (not (= (mod (+ .cse13 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0)))))))) .cse7) (or .cse7 (and (or .cse5 (and (or .cse9 (not (= (mod (+ .cse1 4294967294 .cse14) (- 4294967296)) 0))) (or (not (= (mod (+ .cse15 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse10))) (or (not (= (mod (+ .cse1 4294967295 .cse14) (- 4294967296)) 0)) .cse4))) (not (= .cse16 (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296))) (or .cse0 (and (or .cse5 (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse6 1) 4294967296) 0))) (or (not (= (mod (+ .cse3 .cse1) (- 4294967296)) 0)) .cse4))) (or .cse0 (and (or .cse5 (not (= (mod (+ .cse13 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or (not (= (mod (+ .cse13 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse10) (or .cse9 (and (or (not (= (mod (+ .cse1 .cse8) (- 4294967296)) 0)) .cse11) (or (not (= (mod (+ .cse13 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0)) .cse12)))) .cse4))) (or .cse0 (and (or .cse5 (not (= (mod (+ .cse15 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or .cse10 (not (= 0 (mod (+ .cse15 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296)))) (or .cse9 (not (= (mod (+ .cse1 .cse14) (- 4294967296)) 0)))) .cse4))) (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| (* .cse2 4294967295) 1) 4294967296) 0)) .cse7)))) is different from false [2021-11-20 23:17:36,131 WARN L227 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 104 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:17:38,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:17:40,909 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse9 (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse12 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse3 (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (let ((.cse6 (* .cse3 4294967295)) (.cse0 (<= 5000000 .cse12)) (.cse5 (< .cse2 5000000)) (.cse11 (< .cse3 5000000)) (.cse10 (* .cse9 4294967295)) (.cse8 (<= 5000000 .cse3)) (.cse1 (* |c_ULTIMATE.start_main_~z~0#1| 4294967295)) (.cse4 (<= 5000000 .cse2)) (.cse7 (< .cse12 5000000))) (and (or .cse0 (not (= (mod (+ .cse1 .cse2) (- 4294967296)) 0))) (or (and (or (not (= (mod (+ .cse3 .cse1 4294967295) (- 4294967296)) 0)) .cse4) (or .cse5 (not (= (mod (+ 2 |c_ULTIMATE.start_main_~z~0#1| .cse6) 4294967296) 0)))) .cse7) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_~cond#1|) (or .cse7 (and (or .cse5 (and (or .cse8 (not (= (mod (+ .cse1 4294967294 .cse9) (- 4294967296)) 0))) (or (not (= (mod (+ .cse10 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse11))) (or (not (= (mod (+ .cse1 4294967295 .cse9) (- 4294967296)) 0)) .cse4))) (not (= .cse12 (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296))) (or .cse0 (and (or .cse5 (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse6 1) 4294967296) 0))) (or (not (= (mod (+ .cse3 .cse1) (- 4294967296)) 0)) .cse4))) (or .cse0 (and (or .cse5 (not (= (mod (+ .cse10 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or .cse11 (not (= 0 (mod (+ .cse10 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296)))) (or .cse8 (not (= (mod (+ .cse1 .cse9) (- 4294967296)) 0)))) .cse4))) (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| (* .cse2 4294967295) 1) 4294967296) 0)) .cse7)))) is different from false [2021-11-20 23:17:43,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:12,515 WARN L227 SmtUtils]: Spent 18.99s on a formula simplification. DAG size of input: 59 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:18:14,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:41,045 WARN L227 SmtUtils]: Spent 19.83s on a formula simplification. DAG size of input: 61 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:18:43,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:45,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:47,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:55,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:57,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 23:18:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:18:58,279 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-11-20 23:18:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 23:18:58,279 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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 8 [2021-11-20 23:18:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:18:58,280 INFO L225 Difference]: With dead ends: 23 [2021-11-20 23:18:58,280 INFO L226 Difference]: Without dead ends: 15 [2021-11-20 23:18:58,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 253.0s TimeCoverageRelationStatistics Valid=191, Invalid=792, Unknown=17, NotChecked=122, Total=1122 [2021-11-20 23:18:58,282 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:18:58,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 83 Invalid, 8 Unknown, 2 Unchecked, 17.6s Time] [2021-11-20 23:18:58,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-20 23:18:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-20 23:18:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2021-11-20 23:18:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-11-20 23:18:58,288 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2021-11-20 23:18:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:18:58,288 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-11-20 23:18:58,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2021-11-20 23:18:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-11-20 23:18:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:18:58,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:18:58,290 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2021-11-20 23:18:58,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:18:58,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:18:58,507 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:18:58,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:18:58,507 INFO L85 PathProgramCache]: Analyzing trace with hash -313388890, now seen corresponding path program 3 times [2021-11-20 23:18:58,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:18:58,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421908463] [2021-11-20 23:18:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:18:58,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:18:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:18:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:58,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:18:58,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421908463] [2021-11-20 23:18:58,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421908463] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:18:58,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231510247] [2021-11-20 23:18:58,873 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 23:18:58,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:18:58,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:18:58,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:18:58,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c47fd10-3005-48db-8eea-3fddbaf88ca7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:18:59,046 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 23:18:59,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 23:18:59,049 WARN L261 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-20 23:18:59,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:18:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:18:59,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:20:21,803 WARN L227 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:21:00,208 WARN L227 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:22:06,348 WARN L227 SmtUtils]: Spent 17.05s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:22:34,759 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse24 (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (<= .cse0 .cse1) (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse26 (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse25 (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse27 (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse23 (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (let ((.cse19 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse6 (<= 5000000 .cse23)) (.cse8 (< .cse24 5000000)) (.cse16 (< .cse27 5000000)) (.cse17 (<= 5000000 .cse27)) (.cse9 (<= 5000000 .cse25)) (.cse14 (< .cse1 5000000)) (.cse13 (<= 5000000 .cse26)) (.cse3 (* |c_ULTIMATE.start_main_~z~0#1| 4294967295)) (.cse12 (< .cse26 5000000)) (.cse10 (<= 5000000 .cse1)) (.cse15 (< .cse25 5000000)) (.cse7 (<= 5000000 .cse24)) (.cse18 (< .cse23 5000000)) (.cse4 (<= 5000000 .cse22)) (.cse5 (< .cse22 5000000)) (.cse11 (* .cse2 4294967295))) (and (or (and (or (not (= 0 (mod (+ .cse2 .cse3 4294967295) (- 4294967296)))) .cse4) (or .cse5 (and (or .cse6 (not (= (mod (+ .cse2 .cse3 4294967294) (- 4294967296)) 0))) (or (and (or (not (= (mod (+ .cse2 .cse3 4294967293) (- 4294967296)) 0)) .cse7) (or .cse8 (and (or (and (or .cse9 (not (= (mod (+ 4294967290 .cse2 .cse3) (- 4294967296)) 0))) (or (and (or .cse10 (not (= (mod (+ .cse2 .cse3 4294967289) (- 4294967296)) 0))) (or (and (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse11 10) 4294967296) 0)) .cse12) (or .cse13 (not (= (mod (+ .cse2 .cse3 4294967287) (- 4294967296)) 0)))) .cse14)) .cse15)) .cse16) (or .cse17 (not (= (mod (+ .cse2 4294967291 .cse3) (- 4294967296)) 0)))))) .cse18)))) (< .cse19 5000000)) (or (<= 5000000 .cse19) (and (or (and (or .cse6 (and (or .cse8 (not (= (mod (+ 7 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0))) (or (let ((.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296))) (and (or (not (= (mod (+ 6 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0)) (< .cse20 5000000)) (or (<= 5000000 .cse20) (and (or .cse16 (not (= (mod (+ 5 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0))) (or .cse17 (and (or .cse9 (and (or .cse14 (not (= (mod (+ 3 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0))) (or (let ((.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296))) (and (or (< .cse21 5000000) (not (= (mod (+ 2 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0))) (or (and (or .cse13 (not (= (mod (+ .cse2 .cse3) (- 4294967296)) 0))) (or .cse12 (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse11 1) 4294967296) 0)))) (<= 5000000 .cse21)))) .cse10))) (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse11 4) 4294967296) 0)) .cse15))))))) .cse7))) (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse11 8) 4294967296) 0)) .cse18)) .cse4) (or .cse5 (not (= (mod (+ 9 |c_ULTIMATE.start_main_~z~0#1| .cse11) 4294967296) 0)))))))) (<= .cse0 .cse24))) is different from false [2021-11-20 23:22:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 35 refuted. 10 times theorem prover too weak. 0 trivial. 10 not checked. [2021-11-20 23:22:34,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231510247] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:22:34,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [620665549] [2021-11-20 23:22:34,786 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-20 23:22:34,786 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:22:34,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:22:34,787 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:22:34,787 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:22:35,398 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:22:41,031 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-20 23:22:41,032 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 23:22:41,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 35 [2021-11-20 23:22:41,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255740929] [2021-11-20 23:22:41,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 23:22:41,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-20 23:22:41,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:22:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-20 23:22:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1162, Unknown=27, NotChecked=72, Total=1482 [2021-11-20 23:22:41,035 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 states have internal predecessors, (39), 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) [2021-11-20 23:22:43,609 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse24 (mod (+ 6 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse27 (mod (+ 5 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse23 (mod (+ 3 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse29 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse0 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse21 (mod (+ 2 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (let ((.cse22 (* .cse21 4294967295)) (.cse26 (<= .cse0 .cse21)) (.cse19 (<= .cse0 .cse29)) (.cse2 (<= 5000000 .cse29)) (.cse3 (<= 5000000 .cse21)) (.cse13 (<= 5000000 .cse23)) (.cse12 (< .cse1 5000000)) (.cse4 (<= 5000000 .cse1)) (.cse11 (< .cse27 5000000)) (.cse7 (<= 5000000 .cse24)) (.cse8 (* |c_ULTIMATE.start_main_~z~0#1| 4294967295)) (.cse35 (<= 5000000 .cse9)) (.cse34 (< .cse9 5000000)) (.cse6 (< .cse24 5000000)) (.cse10 (<= 5000000 .cse27)) (.cse14 (< .cse23 5000000)) (.cse15 (< .cse21 5000000)) (.cse16 (<= 5000000 .cse20)) (.cse17 (< .cse20 5000000)) (.cse36 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse39 (<= .cse0 .cse20)) (.cse18 (< .cse29 5000000))) (and (or (<= .cse0 .cse1) (let ((.cse5 (* .cse9 4294967295))) (and (or .cse2 (and (or (and (or .cse3 (and (or (and (or .cse4 (and (or (and (or (not (= 0 (mod (+ .cse5 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296))) .cse6) (or .cse7 (not (= (mod (+ .cse8 .cse9) (- 4294967296)) 0)))) .cse10) (or .cse11 (not (= (mod (+ 2 .cse5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))))) (or .cse12 (not (= (mod (+ 3 .cse5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)))) .cse13) (or .cse14 (not (= (mod (+ .cse5 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0))))) (or (not (= (mod (+ 5 .cse5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse15)) .cse16) (or .cse17 (not (= (mod (+ 6 .cse5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))))) (or .cse18 (and (or .cse3 (not (= (mod (+ .cse8 4294967294 .cse9) (- 4294967296)) 0))) (or (and (or (and (or .cse4 (not (= (mod (+ 4294967292 .cse8 .cse9) (- 4294967296)) 0))) (or (and (or .cse7 (not (= (mod (+ 4294967290 .cse8 .cse9) (- 4294967296)) 0))) (or (not (= (mod (+ 7 .cse5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse6)) .cse12)) .cse14) (or (not (= (mod (+ .cse8 .cse9 4294967293) (- 4294967296)) 0)) .cse13)) .cse15))))) .cse19) (or .cse2 (not (= (mod (+ .cse8 .cse20) (- 4294967296)) 0))) (or (and (or (not (= (mod (+ .cse21 .cse8 4294967295) (- 4294967296)) 0)) .cse16) (or .cse17 (not (= (mod (+ 2 |c_ULTIMATE.start_main_~z~0#1| .cse22) 4294967296) 0)))) .cse18) (or (<= .cse0 .cse23) (let ((.cse25 (* .cse24 4294967295))) (and (or .cse18 (and (or .cse17 (and (or (not (= (mod (+ .cse8 4294967294 .cse24) (- 4294967296)) 0)) .cse3) (or (and (or .cse14 (and (or (not (= (mod (+ 4294967291 .cse8 .cse24) (- 4294967296)) 0)) .cse10) (or .cse11 (not (= (mod (+ .cse25 6 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))))) (or (not (= (mod (+ .cse8 .cse24 4294967293) (- 4294967296)) 0)) .cse13)) .cse15))) (or (not (= (mod (+ .cse8 4294967295 .cse24) (- 4294967296)) 0)) .cse16))) (or (and (or .cse17 (not (= (mod (+ 5 .cse25 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or (not (= 0 (mod (+ .cse25 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296))) .cse15) (or .cse3 (and (or .cse14 (not (= (mod (+ .cse25 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or .cse13 (and (or (not (= (mod (+ .cse25 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse12) (or .cse4 (and (or .cse11 (not (= (mod (+ .cse25 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0))) (or (not (= (mod (+ .cse8 .cse24) (- 4294967296)) 0)) .cse10)))))))) .cse16)) .cse2)))) (or .cse26 (let ((.cse28 (* .cse27 4294967295))) (and (or (and (or .cse17 (and (or (and (or .cse4 (not (= (mod (+ 4294967292 .cse8 .cse27) (- 4294967296)) 0))) (or (not (= (mod (+ 5 .cse28 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse12)) .cse15) (or (not (= (mod (+ .cse8 4294967294 .cse27) (- 4294967296)) 0)) .cse3))) (or (not (= (mod (+ .cse8 4294967295 .cse27) (- 4294967296)) 0)) .cse16)) .cse18) (or .cse2 (and (or (and (or .cse3 (and (or .cse13 (and (or (not (= (mod (+ .cse28 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0)) .cse12) (or .cse4 (not (= (mod (+ .cse8 .cse27) (- 4294967296)) 0))))) (or (not (= (mod (+ .cse28 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse14))) (or .cse15 (not (= (mod (+ .cse28 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)))) .cse16) (or .cse17 (not (= (mod (+ .cse28 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0)))))))) (not (= .cse29 (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296))) (or .cse2 (and (or .cse17 (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| .cse22 1) 4294967296) 0))) (or (not (= (mod (+ .cse21 .cse8) (- 4294967296)) 0)) .cse16))) (or (<= .cse0 .cse24) (let ((.cse30 (mod (+ 9 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (let ((.cse31 (<= 5000000 .cse36)) (.cse33 (< .cse36 5000000)) (.cse32 (* .cse30 4294967295))) (and (or (and (or .cse17 (and (or (and (or (and (or .cse10 (not (= (mod (+ .cse30 4294967291 .cse8) (- 4294967296)) 0))) (or (and (or .cse7 (not (= (mod (+ .cse30 4294967290 .cse8) (- 4294967296)) 0))) (or .cse6 (and (or (not (= (mod (+ .cse30 4294967288 .cse8) (- 4294967296)) 0)) .cse31) (or (not (= (mod (+ .cse32 9 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse33)))) .cse11)) .cse12) (or .cse4 (not (= (mod (+ 4294967292 .cse30 .cse8) (- 4294967296)) 0)))) .cse15) (or .cse3 (not (= (mod (+ .cse30 .cse8 4294967294) (- 4294967296)) 0))))) (or (not (= (mod (+ .cse30 .cse8 4294967295) (- 4294967296)) 0)) .cse16)) .cse18) (or .cse2 (and (or (and (or .cse3 (and (or (and (or (not (= (mod (+ .cse32 5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse12) (or .cse4 (and (or (and (or .cse7 (and (or (not (= (mod (+ .cse32 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse34) (or .cse35 (and (or (not (= (mod (+ .cse30 .cse8) (- 4294967296)) 0)) .cse31) (or (not (= (mod (+ .cse32 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0)) .cse33))))) (or (not (= (mod (+ .cse32 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse6)) .cse10) (or (not (= (mod (+ .cse32 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0)) .cse11)))) .cse13) (or .cse14 (not (= (mod (+ .cse32 6 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))))) (or (not (= (mod (+ .cse32 7 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse15)) .cse16) (or .cse17 (not (= (mod (+ .cse32 |c_ULTIMATE.start_main_~z~0#1| 8) 4294967296) 0)))))))) .cse26) (or (let ((.cse37 (* .cse23 4294967295))) (and (or (and (or .cse3 (not (= (mod (+ .cse8 4294967294 .cse23) (- 4294967296)) 0))) (or (not (= (mod (+ .cse37 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse15)) .cse18) (or .cse2 (and (or .cse17 (not (= (mod (+ .cse37 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or .cse15 (not (= 0 (mod (+ .cse37 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296)))) (or .cse3 (not (= (mod (+ .cse8 .cse23) (- 4294967296)) 0)))) .cse16))))) .cse19) (or (let ((.cse38 (* .cse1 4294967295))) (and (or .cse18 (and (or .cse17 (and (or .cse13 (not (= 0 (mod (+ .cse8 .cse1 4294967293) (- 4294967296))))) (or .cse14 (not (= (mod (+ .cse38 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0))))) (or (not (= (mod (+ .cse8 4294967295 .cse1) (- 4294967296)) 0)) .cse16))) (or .cse2 (and (or .cse17 (not (= (mod (+ .cse38 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))) (or (and (or (not (= (mod (+ .cse38 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse15) (or .cse3 (and (or (not (= (mod (+ .cse8 .cse1) (- 4294967296)) 0)) .cse13) (or (not (= (mod (+ .cse38 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0)) .cse14)))) .cse16))))) .cse39) (or (<= .cse0 .cse27) (let ((.cse40 (* .cse36 4294967295))) (and (or (and (or .cse17 (and (or (and (or (and (or .cse11 (and (or (not (= (mod (+ .cse36 .cse8 4294967289) (- 4294967296)) 0)) .cse35) (or (not (= (mod (+ .cse40 |c_ULTIMATE.start_main_~z~0#1| 8) 4294967296) 0)) .cse34))) (or .cse10 (not (= (mod (+ 4294967291 .cse36 .cse8) (- 4294967296)) 0)))) .cse12) (or .cse4 (not (= (mod (+ 4294967292 .cse36 .cse8) (- 4294967296)) 0)))) .cse14) (or (not (= (mod (+ .cse36 .cse8 4294967293) (- 4294967296)) 0)) .cse13))) (or .cse16 (not (= (mod (+ .cse36 .cse8 4294967295) (- 4294967296)) 0)))) .cse18) (or .cse2 (and (or (and (or .cse3 (and (or .cse13 (and (or (not (= (mod (+ .cse40 |c_ULTIMATE.start_main_~z~0#1| 4) 4294967296) 0)) .cse12) (or .cse4 (and (or (not (= (mod (+ .cse40 3 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse11) (or (and (or .cse7 (and (or (not (= (mod (+ .cse36 .cse8) (- 4294967296)) 0)) .cse35) (or (not (= (mod (+ .cse40 |c_ULTIMATE.start_main_~z~0#1| 1) 4294967296) 0)) .cse34))) (or (not (= (mod (+ .cse40 2 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse6)) .cse10))))) (or (not (= (mod (+ .cse40 5 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse14))) (or (not (= (mod (+ .cse40 6 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0)) .cse15)) .cse16) (or .cse17 (not (= (mod (+ .cse40 7 |c_ULTIMATE.start_main_~z~0#1|) 4294967296) 0))))))) .cse39) (or (not (= (mod (+ |c_ULTIMATE.start_main_~z~0#1| (* .cse20 4294967295) 1) 4294967296) 0)) .cse18)))) is different from false