./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur --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 64bit --witnessprinter.graph.data.programhash e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 --- 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-38b53e6 [2022-11-26 01:00:17,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:00:17,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:00:17,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:00:17,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:00:17,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:00:17,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:00:17,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:00:17,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:00:17,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:00:17,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:00:17,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:00:17,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:00:17,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:00:17,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:00:17,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:00:17,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:00:17,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:00:17,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:00:17,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:00:17,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:00:17,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:00:17,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:00:17,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:00:17,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:00:17,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:00:17,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:00:17,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:00:17,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:00:17,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:00:17,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:00:17,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:00:17,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:00:17,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:00:17,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:00:17,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:00:17,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:00:17,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:00:17,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:00:17,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:00:17,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:00:17,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:00:17,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:00:17,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:00:17,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:00:17,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:00:17,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:00:17,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:00:17,905 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:00:17,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:00:17,905 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:00:17,905 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:00:17,906 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:00:17,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:00:17,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:00:17,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:00:17,907 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:00:17,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:00:17,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:00:17,908 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:00:17,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:00:17,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:00:17,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:00:17,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:00:17,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:00:17,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:00:17,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:00:17,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:00:17,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:00:17,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:00:17,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:00:17,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:00:17,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:00:17,912 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:00:17,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:00:17,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:00:17,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:00:17,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:00:17,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:00:17,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:00:17,914 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_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 [2022-11-26 01:00:18,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:00:18,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:00:18,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:00:18,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:00:18,222 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:00:18,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:21,441 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:00:21,675 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:00:21,676 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:21,684 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/6a4783dc5/d9f94d164d9b44c9a69557edba10af03/FLAG0a1624cb5 [2022-11-26 01:00:21,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/6a4783dc5/d9f94d164d9b44c9a69557edba10af03 [2022-11-26 01:00:21,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:00:21,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:00:21,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:21,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:00:21,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:00:21,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:21" (1/1) ... [2022-11-26 01:00:21,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc8dd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:21, skipping insertion in model container [2022-11-26 01:00:21,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:21" (1/1) ... [2022-11-26 01:00:21,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:00:21,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:00:21,879 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_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-26 01:00:21,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:21,956 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:00:21,968 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_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-26 01:00:22,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:22,045 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:00:22,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22 WrapperNode [2022-11-26 01:00:22,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:22,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:22,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:00:22,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:00:22,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,092 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2022-11-26 01:00:22,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:22,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:00:22,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:00:22,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:00:22,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:00:22,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:00:22,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:00:22,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:00:22,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (1/1) ... [2022-11-26 01:00:22,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:00:22,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:22,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:00:22,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:00:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:00:22,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:00:22,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:00:22,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:00:23,266 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:00:23,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:00:23,285 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 01:00:23,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:23 BoogieIcfgContainer [2022-11-26 01:00:23,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:00:23,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:00:23,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:00:23,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:00:23,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:00:21" (1/3) ... [2022-11-26 01:00:23,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647b2ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:23, skipping insertion in model container [2022-11-26 01:00:23,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:22" (2/3) ... [2022-11-26 01:00:23,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647b2ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:23, skipping insertion in model container [2022-11-26 01:00:23,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:23" (3/3) ... [2022-11-26 01:00:23,297 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:23,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:00:23,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:00:23,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:00:23,371 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;@482d37e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:00:23,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:00:23,377 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) [2022-11-26 01:00:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 01:00:23,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:23,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 01:00:23,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:23,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:23,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-26 01:00:23,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:00:23,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766590734] [2022-11-26 01:00:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:23,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:00:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:00:23,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:00:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:00:23,644 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:00:23,647 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:00:23,648 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 01:00:23,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:00:23,656 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-26 01:00:23,661 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:00:23,687 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:00:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:00:23 BoogieIcfgContainer [2022-11-26 01:00:23,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:00:23,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:00:23,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:00:23,696 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:00:23,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:23" (3/4) ... [2022-11-26 01:00:23,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:00:23,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:00:23,702 INFO L158 Benchmark]: Toolchain (without parser) took 1998.27ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 81.7MB in the end (delta: 18.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,703 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:00:23,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.25ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 86.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.65ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 84.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,705 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,706 INFO L158 Benchmark]: RCFGBuilder took 1153.92ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 101.8MB in the end (delta: -19.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,706 INFO L158 Benchmark]: TraceAbstraction took 405.16ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 82.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 01:00:23,707 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 81.7MB in the end (delta: 624.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:00:23,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.25ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 86.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.65ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 84.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1153.92ms. Allocated memory is still 146.8MB. Free memory was 82.8MB in the beginning and 101.8MB in the end (delta: -19.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * TraceAbstraction took 405.16ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 82.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 81.7MB in the end (delta: 624.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 84, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 31); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (31 - 1); [L37] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 30); [L38] const SORT_29 msb_SORT_29 = (SORT_29)1 << (30 - 1); [L40] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 2); [L41] const SORT_31 msb_SORT_31 = (SORT_31)1 << (2 - 1); [L43] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 28); [L44] const SORT_37 msb_SORT_37 = (SORT_37)1 << (28 - 1); [L46] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 4); [L47] const SORT_39 msb_SORT_39 = (SORT_39)1 << (4 - 1); [L49] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 24); [L50] const SORT_45 msb_SORT_45 = (SORT_45)1 << (24 - 1); [L52] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 8); [L53] const SORT_47 msb_SORT_47 = (SORT_47)1 << (8 - 1); [L55] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 16); [L56] const SORT_53 msb_SORT_53 = (SORT_53)1 << (16 - 1); [L58] const SORT_5 var_7 = 0; [L59] const SORT_5 var_10 = 2863311530; [L60] const SORT_3 var_15 = 1; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L66] SORT_5 state_8 = __VERIFIER_nondet_uint() & mask_SORT_5; [L67] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L69] SORT_5 init_9_arg_1 = var_7; [L70] state_8 = init_9_arg_1 [L71] SORT_5 init_20_arg_1 = var_7; [L72] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_9_arg_1=0, mask_SORT_1=31, mask_SORT_22=4294967295, mask_SORT_29=4294967295, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=4294967295, mask_SORT_39=15, mask_SORT_45=4294967295, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, state_19=0, state_8=0, var_10=2863311530, var_15=1, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 01:00:23,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur --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 64bit --witnessprinter.graph.data.programhash e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 --- 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-38b53e6 [2022-11-26 01:00:26,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:00:26,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:00:26,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:00:26,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:00:26,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:00:26,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:00:26,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:00:26,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:00:26,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:00:26,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:00:26,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:00:26,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:00:26,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:00:26,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:00:26,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:00:26,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:00:26,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:00:26,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:00:26,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:00:26,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:00:26,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:00:26,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:00:26,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:00:26,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:00:26,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:00:26,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:00:26,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:00:26,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:00:26,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:00:26,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:00:26,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:00:26,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:00:26,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:00:26,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:00:26,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:00:26,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:00:26,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:00:26,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:00:26,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:00:26,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:00:26,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 01:00:26,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:00:26,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:00:26,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:00:26,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:00:26,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:00:26,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:00:26,607 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:00:26,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:00:26,607 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:00:26,607 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:00:26,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:00:26,609 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:00:26,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:00:26,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:00:26,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:00:26,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:00:26,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:00:26,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:00:26,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:00:26,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:00:26,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:00:26,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:00:26,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:00:26,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:00:26,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:00:26,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:00:26,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:00:26,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:00:26,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:00:26,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:00:26,615 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:00:26,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:00:26,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:00:26,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:00:26,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:00:26,617 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_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8119067df6ea638c7dff7ae73c7e9b057c24dc998e1f418f029ed1f7540da97 [2022-11-26 01:00:27,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:00:27,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:00:27,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:00:27,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:00:27,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:00:27,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:30,249 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:00:30,503 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:00:30,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:30,511 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/5ff2f98d9/f5187d3f739f4cc7b5690045466d3aef/FLAG15211c2d0 [2022-11-26 01:00:30,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/data/5ff2f98d9/f5187d3f739f4cc7b5690045466d3aef [2022-11-26 01:00:30,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:00:30,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:00:30,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:30,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:00:30,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:00:30,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:30" (1/1) ... [2022-11-26 01:00:30,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c2d78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:30, skipping insertion in model container [2022-11-26 01:00:30,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:30" (1/1) ... [2022-11-26 01:00:30,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:00:30,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:00:30,814 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_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-26 01:00:30,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:30,928 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:00:30,944 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_df0bb48e-3265-4e39-bec1-900860dcb26b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_rotate32.c[1107,1120] [2022-11-26 01:00:31,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:00:31,033 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:00:31,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31 WrapperNode [2022-11-26 01:00:31,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:31,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:31,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:00:31,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:00:31,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,079 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2022-11-26 01:00:31,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:00:31,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:00:31,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:00:31,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:00:31,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:00:31,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:00:31,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:00:31,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:00:31,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (1/1) ... [2022-11-26 01:00:31,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:00:31,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:00:31,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:00:31,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:00:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:00:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:00:31,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:00:31,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:00:31,736 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:00:31,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:00:31,743 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 01:00:31,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:31 BoogieIcfgContainer [2022-11-26 01:00:31,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:00:31,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:00:31,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:00:31,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:00:31,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:00:30" (1/3) ... [2022-11-26 01:00:31,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1380f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:31, skipping insertion in model container [2022-11-26 01:00:31,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:31" (2/3) ... [2022-11-26 01:00:31,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1380f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:00:31, skipping insertion in model container [2022-11-26 01:00:31,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:31" (3/3) ... [2022-11-26 01:00:31,754 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_rotate32.c [2022-11-26 01:00:31,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:00:31,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:00:31,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:00:31,830 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;@6a9b2bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:00:31,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:00:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 01:00:31,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:31,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 01:00:31,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:31,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:31,848 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-26 01:00:31,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:00:31,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332026056] [2022-11-26 01:00:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:31,862 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 [2022-11-26 01:00:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:00:31,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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) [2022-11-26 01:00:31,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:00:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:32,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-26 01:00:32,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:32,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:00:32,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:00:32,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332026056] [2022-11-26 01:00:32,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332026056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:00:32,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:00:32,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:00:32,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56971869] [2022-11-26 01:00:32,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:00:32,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:00:32,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:00:32,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:00:32,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:00:32,353 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:00:32,421 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-26 01:00:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:00:32,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 01:00:32,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:00:32,432 INFO L225 Difference]: With dead ends: 20 [2022-11-26 01:00:32,433 INFO L226 Difference]: Without dead ends: 11 [2022-11-26 01:00:32,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:00:32,442 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:00:32,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:00:32,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-26 01:00:32,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-26 01:00:32,478 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) [2022-11-26 01:00:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-26 01:00:32,481 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-26 01:00:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:00:32,482 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-26 01:00:32,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:00:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-26 01:00:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:00:32,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:00:32,484 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-26 01:00:32,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:00:32,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:00:32,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:00:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:00:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-26 01:00:32,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:00:32,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900332886] [2022-11-26 01:00:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:00:32,700 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 [2022-11-26 01:00:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:00:32,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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) [2022-11-26 01:00:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:00:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:00:32,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-26 01:00:32,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:00:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:00:33,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:00:59,550 WARN L233 SmtUtils]: Spent 24.80s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:01:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:00,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:00,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900332886] [2022-11-26 01:01:00,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900332886] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:01:00,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1073730947] [2022-11-26 01:01:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:00,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:01:00,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:01:00,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:01:00,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-26 01:01:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:00,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-26 01:01:00,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:01,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:01:11,488 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 382 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:01:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:12,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1073730947] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:01:12,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541135914] [2022-11-26 01:01:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:01:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:12,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:01:12,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:01:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:12,958 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-26 01:01:12,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:13,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:01:26,357 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:01:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:34,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541135914] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:01:34,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 01:01:34,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 16 [2022-11-26 01:01:34,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843899415] [2022-11-26 01:01:34,311 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 01:01:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 01:01:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:34,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 01:01:34,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=181, Unknown=4, NotChecked=0, Total=240 [2022-11-26 01:01:34,317 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 16 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:36,432 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-26 01:01:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 01:01:36,433 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 16 states have internal predecessors, (32), 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 [2022-11-26 01:01:36,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:36,434 INFO L225 Difference]: With dead ends: 16 [2022-11-26 01:01:36,434 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 01:01:36,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 56.1s TimeCoverageRelationStatistics Valid=94, Invalid=244, Unknown=4, NotChecked=0, Total=342 [2022-11-26 01:01:36,435 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:36,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 01:01:36,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 01:01:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-26 01:01:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-26 01:01:36,441 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-26 01:01:36,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:36,442 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-26 01:01:36,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 16 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:01:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-26 01:01:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 01:01:36,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:36,443 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-26 01:01:36,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-11-26 01:01:36,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:36,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:37,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:01:37,047 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:37,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:37,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-26 01:01:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:37,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985313862] [2022-11-26 01:01:37,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-26 01:01:37,049 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 [2022-11-26 01:01:37,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:37,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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) [2022-11-26 01:01:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 (6)] Waiting until timeout for monitored process [2022-11-26 01:01:37,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-26 01:01:37,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-26 01:01:37,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:01:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:01:37,378 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:01:37,379 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:01:37,380 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 01:01:37,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:37,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:01:37,592 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-26 01:01:37,595 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:01:37,647 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,650 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,651 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:01:37 BoogieIcfgContainer [2022-11-26 01:01:37,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:01:37,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:01:37,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:01:37,676 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:01:37,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:00:31" (3/4) ... [2022-11-26 01:01:37,678 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 01:01:37,698 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,707 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,708 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 01:01:37,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:01:37,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:01:37,774 INFO L158 Benchmark]: Toolchain (without parser) took 67233.82ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.2MB in the beginning and 77.0MB in the end (delta: -23.8MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,774 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:37,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.71ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 38.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.65ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,775 INFO L158 Benchmark]: Boogie Preprocessor took 52.44ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 35.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:37,778 INFO L158 Benchmark]: RCFGBuilder took 606.05ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 41.9MB in the end (delta: -6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,779 INFO L158 Benchmark]: TraceAbstraction took 65926.10ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.3MB in the beginning and 26.5MB in the end (delta: 14.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,779 INFO L158 Benchmark]: Witness Printer took 99.58ms. Allocated memory is still 107.0MB. Free memory was 26.5MB in the beginning and 77.0MB in the end (delta: -50.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-26 01:01:37,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.71ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 38.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.65ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.44ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 35.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.05ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 41.9MB in the end (delta: -6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 65926.10ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.3MB in the beginning and 26.5MB in the end (delta: 14.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 99.58ms. Allocated memory is still 107.0MB. Free memory was 26.5MB in the beginning and 77.0MB in the end (delta: -50.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 31); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (31 - 1); [L37] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 30); [L38] const SORT_29 msb_SORT_29 = (SORT_29)1 << (30 - 1); [L40] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 2); [L41] const SORT_31 msb_SORT_31 = (SORT_31)1 << (2 - 1); [L43] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 28); [L44] const SORT_37 msb_SORT_37 = (SORT_37)1 << (28 - 1); [L46] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 4); [L47] const SORT_39 msb_SORT_39 = (SORT_39)1 << (4 - 1); [L49] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 24); [L50] const SORT_45 msb_SORT_45 = (SORT_45)1 << (24 - 1); [L52] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 8); [L53] const SORT_47 msb_SORT_47 = (SORT_47)1 << (8 - 1); [L55] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 16); [L56] const SORT_53 msb_SORT_53 = (SORT_53)1 << (16 - 1); [L58] const SORT_5 var_7 = 0; [L59] const SORT_5 var_10 = 2863311530; [L60] const SORT_3 var_15 = 1; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L66] SORT_5 state_8 = __VERIFIER_nondet_uint() & mask_SORT_5; [L67] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L69] SORT_5 init_9_arg_1 = var_7; [L70] state_8 = init_9_arg_1 [L71] SORT_5 init_20_arg_1 = var_7; [L72] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_9_arg_1=0, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, state_19=0, state_8=0, var_10=2863311530, var_15=1, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L92] RET __VERIFIER_assert(!(bad_18_arg_0)) [L94] SORT_1 var_57_arg_0 = input_2; [L95] SORT_3 var_57 = var_57_arg_0 >> 4; [L96] var_57 = var_57 & mask_SORT_3 [L97] SORT_1 var_50_arg_0 = input_2; [L98] SORT_3 var_50 = var_50_arg_0 >> 3; [L99] var_50 = var_50 & mask_SORT_3 [L100] SORT_1 var_42_arg_0 = input_2; [L101] SORT_3 var_42 = var_42_arg_0 >> 2; [L102] var_42 = var_42 & mask_SORT_3 [L103] SORT_1 var_34_arg_0 = input_2; [L104] SORT_3 var_34 = var_34_arg_0 >> 1; [L105] var_34 = var_34 & mask_SORT_3 [L106] SORT_1 var_26_arg_0 = input_2; [L107] SORT_3 var_26 = var_26_arg_0 >> 0; [L108] var_26 = var_26 & mask_SORT_3 [L109] SORT_5 var_24_arg_0 = state_19; [L110] SORT_3 var_24 = var_24_arg_0 >> 0; [L111] SORT_5 var_23_arg_0 = state_19; [L112] SORT_22 var_23 = var_23_arg_0 >> 1; [L113] var_23 = var_23 & mask_SORT_22 [L114] SORT_3 var_25_arg_0 = var_24; [L115] SORT_22 var_25_arg_1 = var_23; [L116] SORT_5 var_25 = ((SORT_5)var_25_arg_0 << 31) | var_25_arg_1; [L117] SORT_3 var_27_arg_0 = var_26; [L118] SORT_5 var_27_arg_1 = var_25; [L119] SORT_5 var_27_arg_2 = state_19; [L120] SORT_5 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L121] SORT_5 var_32_arg_0 = var_27; [L122] SORT_31 var_32 = var_32_arg_0 >> 0; [L123] SORT_5 var_30_arg_0 = var_27; [L124] SORT_29 var_30 = var_30_arg_0 >> 2; [L125] var_30 = var_30 & mask_SORT_29 [L126] SORT_31 var_33_arg_0 = var_32; [L127] SORT_29 var_33_arg_1 = var_30; [L128] SORT_5 var_33 = ((SORT_5)var_33_arg_0 << 30) | var_33_arg_1; [L129] SORT_3 var_35_arg_0 = var_34; [L130] SORT_5 var_35_arg_1 = var_33; [L131] SORT_5 var_35_arg_2 = var_27; [L132] SORT_5 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L133] SORT_5 var_40_arg_0 = var_35; [L134] SORT_39 var_40 = var_40_arg_0 >> 0; [L135] SORT_5 var_38_arg_0 = var_35; [L136] SORT_37 var_38 = var_38_arg_0 >> 4; [L137] var_38 = var_38 & mask_SORT_37 [L138] SORT_39 var_41_arg_0 = var_40; [L139] SORT_37 var_41_arg_1 = var_38; [L140] SORT_5 var_41 = ((SORT_5)var_41_arg_0 << 28) | var_41_arg_1; [L141] SORT_3 var_43_arg_0 = var_42; [L142] SORT_5 var_43_arg_1 = var_41; [L143] SORT_5 var_43_arg_2 = var_35; [L144] SORT_5 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L145] SORT_5 var_48_arg_0 = var_43; [L146] SORT_47 var_48 = var_48_arg_0 >> 0; [L147] SORT_5 var_46_arg_0 = var_43; [L148] SORT_45 var_46 = var_46_arg_0 >> 8; [L149] var_46 = var_46 & mask_SORT_45 [L150] SORT_47 var_49_arg_0 = var_48; [L151] SORT_45 var_49_arg_1 = var_46; [L152] SORT_5 var_49 = ((SORT_5)var_49_arg_0 << 24) | var_49_arg_1; [L153] SORT_3 var_51_arg_0 = var_50; [L154] SORT_5 var_51_arg_1 = var_49; [L155] SORT_5 var_51_arg_2 = var_43; [L156] SORT_5 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L157] SORT_5 var_55_arg_0 = var_51; [L158] SORT_53 var_55 = var_55_arg_0 >> 0; [L159] SORT_5 var_54_arg_0 = var_51; [L160] SORT_53 var_54 = var_54_arg_0 >> 16; [L161] var_54 = var_54 & mask_SORT_53 [L162] SORT_53 var_56_arg_0 = var_55; [L163] SORT_53 var_56_arg_1 = var_54; [L164] SORT_5 var_56 = ((SORT_5)var_56_arg_0 << 16) | var_56_arg_1; [L165] SORT_3 var_58_arg_0 = var_57; [L166] SORT_5 var_58_arg_1 = var_56; [L167] SORT_5 var_58_arg_2 = var_51; [L168] SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L169] var_58 = var_58 & mask_SORT_5 [L170] SORT_5 next_60_arg_1 = var_58; [L171] SORT_5 next_61_arg_1 = input_6; [L173] state_8 = next_60_arg_1 [L174] state_19 = next_61_arg_1 VAL [bad_18_arg_0=0, init_20_arg_1=0, init_9_arg_1=0, input_2=0, input_4=4, input_6=2863311530, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, next_60_arg_1=0, next_61_arg_1=2863311530, state_19=2863311530, state_8=0, var_10=2863311530, var_11=0, var_11_arg_0=0, var_11_arg_1=2863311530, var_12=255, var_12_arg_0=0, var_15=1, var_16=0, var_16_arg_0=255, var_17=0, var_17_arg_0=1, var_17_arg_1=0, var_23=0, var_23_arg_0=0, var_24=0, var_24_arg_0=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=0, var_30=0, var_30_arg_0=0, var_32=0, var_32_arg_0=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_35=0, var_35_arg_0=0, var_35_arg_1=0, var_35_arg_2=0, var_38=0, var_38_arg_0=0, var_40=0, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_42=0, var_42_arg_0=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_46=0, var_46_arg_0=0, var_48=0, var_48_arg_0=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_50=0, var_50_arg_0=0, var_51=0, var_51_arg_0=0, var_51_arg_1=0, var_51_arg_2=0, var_54=0, var_54_arg_0=0, var_55=0, var_55_arg_0=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_58=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L92] RET __VERIFIER_assert(!(bad_18_arg_0)) [L94] SORT_1 var_57_arg_0 = input_2; [L95] SORT_3 var_57 = var_57_arg_0 >> 4; [L96] var_57 = var_57 & mask_SORT_3 [L97] SORT_1 var_50_arg_0 = input_2; [L98] SORT_3 var_50 = var_50_arg_0 >> 3; [L99] var_50 = var_50 & mask_SORT_3 [L100] SORT_1 var_42_arg_0 = input_2; [L101] SORT_3 var_42 = var_42_arg_0 >> 2; [L102] var_42 = var_42 & mask_SORT_3 [L103] SORT_1 var_34_arg_0 = input_2; [L104] SORT_3 var_34 = var_34_arg_0 >> 1; [L105] var_34 = var_34 & mask_SORT_3 [L106] SORT_1 var_26_arg_0 = input_2; [L107] SORT_3 var_26 = var_26_arg_0 >> 0; [L108] var_26 = var_26 & mask_SORT_3 [L109] SORT_5 var_24_arg_0 = state_19; [L110] SORT_3 var_24 = var_24_arg_0 >> 0; [L111] SORT_5 var_23_arg_0 = state_19; [L112] SORT_22 var_23 = var_23_arg_0 >> 1; [L113] var_23 = var_23 & mask_SORT_22 [L114] SORT_3 var_25_arg_0 = var_24; [L115] SORT_22 var_25_arg_1 = var_23; [L116] SORT_5 var_25 = ((SORT_5)var_25_arg_0 << 31) | var_25_arg_1; [L117] SORT_3 var_27_arg_0 = var_26; [L118] SORT_5 var_27_arg_1 = var_25; [L119] SORT_5 var_27_arg_2 = state_19; [L120] SORT_5 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L121] SORT_5 var_32_arg_0 = var_27; [L122] SORT_31 var_32 = var_32_arg_0 >> 0; [L123] SORT_5 var_30_arg_0 = var_27; [L124] SORT_29 var_30 = var_30_arg_0 >> 2; [L125] var_30 = var_30 & mask_SORT_29 [L126] SORT_31 var_33_arg_0 = var_32; [L127] SORT_29 var_33_arg_1 = var_30; [L128] SORT_5 var_33 = ((SORT_5)var_33_arg_0 << 30) | var_33_arg_1; [L129] SORT_3 var_35_arg_0 = var_34; [L130] SORT_5 var_35_arg_1 = var_33; [L131] SORT_5 var_35_arg_2 = var_27; [L132] SORT_5 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L133] SORT_5 var_40_arg_0 = var_35; [L134] SORT_39 var_40 = var_40_arg_0 >> 0; [L135] SORT_5 var_38_arg_0 = var_35; [L136] SORT_37 var_38 = var_38_arg_0 >> 4; [L137] var_38 = var_38 & mask_SORT_37 [L138] SORT_39 var_41_arg_0 = var_40; [L139] SORT_37 var_41_arg_1 = var_38; [L140] SORT_5 var_41 = ((SORT_5)var_41_arg_0 << 28) | var_41_arg_1; [L141] SORT_3 var_43_arg_0 = var_42; [L142] SORT_5 var_43_arg_1 = var_41; [L143] SORT_5 var_43_arg_2 = var_35; [L144] SORT_5 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L145] SORT_5 var_48_arg_0 = var_43; [L146] SORT_47 var_48 = var_48_arg_0 >> 0; [L147] SORT_5 var_46_arg_0 = var_43; [L148] SORT_45 var_46 = var_46_arg_0 >> 8; [L149] var_46 = var_46 & mask_SORT_45 [L150] SORT_47 var_49_arg_0 = var_48; [L151] SORT_45 var_49_arg_1 = var_46; [L152] SORT_5 var_49 = ((SORT_5)var_49_arg_0 << 24) | var_49_arg_1; [L153] SORT_3 var_51_arg_0 = var_50; [L154] SORT_5 var_51_arg_1 = var_49; [L155] SORT_5 var_51_arg_2 = var_43; [L156] SORT_5 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L157] SORT_5 var_55_arg_0 = var_51; [L158] SORT_53 var_55 = var_55_arg_0 >> 0; [L159] SORT_5 var_54_arg_0 = var_51; [L160] SORT_53 var_54 = var_54_arg_0 >> 16; [L161] var_54 = var_54 & mask_SORT_53 [L162] SORT_53 var_56_arg_0 = var_55; [L163] SORT_53 var_56_arg_1 = var_54; [L164] SORT_5 var_56 = ((SORT_5)var_56_arg_0 << 16) | var_56_arg_1; [L165] SORT_3 var_58_arg_0 = var_57; [L166] SORT_5 var_58_arg_1 = var_56; [L167] SORT_5 var_58_arg_2 = var_51; [L168] SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L169] var_58 = var_58 & mask_SORT_5 [L170] SORT_5 next_60_arg_1 = var_58; [L171] SORT_5 next_61_arg_1 = input_6; [L173] state_8 = next_60_arg_1 [L174] state_19 = next_61_arg_1 VAL [bad_18_arg_0=0, init_20_arg_1=0, init_9_arg_1=0, input_2=30, input_4=5, input_6=5, mask_SORT_1=31, mask_SORT_22=2147483647, mask_SORT_29=1073741823, mask_SORT_3=1, mask_SORT_31=3, mask_SORT_37=268435455, mask_SORT_39=15, mask_SORT_45=16777215, mask_SORT_47=255, mask_SORT_5=4294967295, mask_SORT_53=65535, msb_SORT_1=16, msb_SORT_22=1073741824, msb_SORT_29=536870912, msb_SORT_3=1, msb_SORT_31=2, msb_SORT_37=134217728, msb_SORT_39=8, msb_SORT_45=8388608, msb_SORT_47=128, msb_SORT_5=2147483648, msb_SORT_53=32768, next_60_arg_1=2863311530, next_61_arg_1=5, state_19=5, state_8=2863311530, var_10=2863311530, var_11=0, var_11_arg_0=0, var_11_arg_1=2863311530, var_12=255, var_12_arg_0=0, var_15=1, var_16=0, var_16_arg_0=255, var_17=0, var_17_arg_0=1, var_17_arg_1=0, var_23=1431655765, var_23_arg_0=2863311530, var_24=170, var_24_arg_0=2863311530, var_25=1431655765, var_25_arg_0=170, var_25_arg_1=1431655765, var_26=0, var_26_arg_0=30, var_27=2863311530, var_27_arg_0=0, var_27_arg_1=1431655765, var_27_arg_2=2863311530, var_30=715827882, var_30_arg_0=2863311530, var_32=170, var_32_arg_0=2863311530, var_33=2863311530, var_33_arg_0=170, var_33_arg_1=715827882, var_34=1, var_34_arg_0=30, var_35=2863311530, var_35_arg_0=1, var_35_arg_1=2863311530, var_35_arg_2=2863311530, var_38=178956970, var_38_arg_0=2863311530, var_40=170, var_40_arg_0=2863311530, var_41=2863311530, var_41_arg_0=170, var_41_arg_1=178956970, var_42=1, var_42_arg_0=30, var_43=2863311530, var_43_arg_0=1, var_43_arg_1=2863311530, var_43_arg_2=2863311530, var_46=11184810, var_46_arg_0=2863311530, var_48=170, var_48_arg_0=2863311530, var_49=2863311530, var_49_arg_0=170, var_49_arg_1=11184810, var_50=1, var_50_arg_0=30, var_51=2863311530, var_51_arg_0=1, var_51_arg_1=2863311530, var_51_arg_2=2863311530, var_54=43690, var_54_arg_0=2863311530, var_55=43690, var_55_arg_0=2863311530, var_56=2863311530, var_56_arg_0=43690, var_56_arg_1=43690, var_57=1, var_57_arg_0=30, var_58=2863311530, var_58_arg_0=1, var_58_arg_1=2863311530, var_58_arg_2=2863311530, var_7=0] [L75] input_2 = __VERIFIER_nondet_uchar() [L76] input_4 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uint() [L80] SORT_5 var_11_arg_0 = state_8; [L81] SORT_5 var_11_arg_1 = var_10; [L82] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L83] SORT_3 var_12_arg_0 = var_11; [L84] SORT_3 var_12 = ~var_12_arg_0; [L85] SORT_3 var_16_arg_0 = var_12; [L86] SORT_3 var_16 = ~var_16_arg_0; [L87] SORT_3 var_17_arg_0 = var_15; [L88] SORT_3 var_17_arg_1 = var_16; [L89] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L90] var_17 = var_17 & mask_SORT_3 [L91] SORT_3 bad_18_arg_0 = var_17; [L92] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 56.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 61.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 15 QuantifiedInterpolants, 19019 SizeOfPredicates, 260 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-26 01:01:37,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0bb48e-3265-4e39-bec1-900860dcb26b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE