./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:19:49,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:19:49,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:19:49,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:19:49,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:19:49,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:19:49,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:19:49,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:19:49,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:19:49,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:19:49,849 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:19:49,851 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:19:49,851 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:19:49,854 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:19:49,854 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:19:49,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:19:49,855 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:19:49,855 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:19:49,856 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:19:49,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:19:49,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:19:49,858 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:19:49,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:19:49,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:19:49,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:19:49,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:19:49,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:19:49,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:19:49,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:19:49,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:19:49,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:19:49,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:19:49,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:19:49,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:49,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:19:49,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:19:49,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:19:49,866 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:19:49,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:19:49,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:19:49,867 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:19:49,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:19:49,868 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c [2023-11-19 05:19:50,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:19:50,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:19:50,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:19:50,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:19:50,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:19:50,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:19:53,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:19:54,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:19:54,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:19:54,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/ed43ac9c6/b81565bcd5f84b97a06850b8b60aa9a3/FLAGdc6aecaf4 [2023-11-19 05:19:54,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/ed43ac9c6/b81565bcd5f84b97a06850b8b60aa9a3 [2023-11-19 05:19:54,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:19:54,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:19:54,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:54,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:19:54,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:19:54,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c0f408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54, skipping insertion in model container [2023-11-19 05:19:54,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:19:54,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-19 05:19:54,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:54,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:19:54,592 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-19 05:19:54,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:19:54,674 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:19:54,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54 WrapperNode [2023-11-19 05:19:54,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:54,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:54,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:19:54,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:19:54,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,823 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 544 [2023-11-19 05:19:54,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:19:54,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:19:54,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:19:54,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:19:54,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:19:54,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:19:54,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:19:54,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:19:54,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (1/1) ... [2023-11-19 05:19:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:19:54,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:19:55,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:19:55,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:19:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:19:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:19:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:19:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:19:55,211 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:19:55,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:19:56,288 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:19:57,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:19:57,238 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:19:57,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:57 BoogieIcfgContainer [2023-11-19 05:19:57,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:19:57,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:19:57,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:19:57,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:19:57,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:19:54" (1/3) ... [2023-11-19 05:19:57,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570b0926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:57, skipping insertion in model container [2023-11-19 05:19:57,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:54" (2/3) ... [2023-11-19 05:19:57,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570b0926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:57, skipping insertion in model container [2023-11-19 05:19:57,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:57" (3/3) ... [2023-11-19 05:19:57,262 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:19:57,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:19:57,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:19:57,358 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:19:57,367 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1481f100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:19:57,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:19:57,374 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) [2023-11-19 05:19:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:19:57,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:57,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:19:57,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:19:57,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:57,394 INFO L85 PathProgramCache]: Analyzing trace with hash 16092936, now seen corresponding path program 1 times [2023-11-19 05:19:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:57,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383691935] [2023-11-19 05:19:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:19:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:19:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:19:59,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:19:59,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383691935] [2023-11-19 05:19:59,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383691935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:19:59,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:19:59,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:19:59,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503479069] [2023-11-19 05:19:59,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:19:59,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:19:59,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:19:59,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:19:59,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:19:59,515 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:19:59,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:19:59,782 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-19 05:19:59,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:19:59,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 05:19:59,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:19:59,795 INFO L225 Difference]: With dead ends: 15 [2023-11-19 05:19:59,795 INFO L226 Difference]: Without dead ends: 9 [2023-11-19 05:19:59,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:19:59,803 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:19:59,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:19:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-19 05:19:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-19 05:19:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:19:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 05:19:59,846 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-19 05:19:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:19:59,847 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-19 05:19:59,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:19:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 05:19:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:19:59,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:19:59,849 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-19 05:19:59,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:19:59,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:19:59,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:19:59,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1594604737, now seen corresponding path program 1 times [2023-11-19 05:19:59,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:19:59,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518994862] [2023-11-19 05:19:59,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:19:59,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:01,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:03,933 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:03,933 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:03,936 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:03,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:20:03,942 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:20:03,947 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:03,994 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:20:04,000 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 05:20:04,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:04 BoogieIcfgContainer [2023-11-19 05:20:04,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:04,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:04,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:04,042 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:04,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:57" (3/4) ... [2023-11-19 05:20:04,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:04,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:04,048 INFO L158 Benchmark]: Toolchain (without parser) took 9991.72ms. Allocated memory was 199.2MB in the beginning and 318.8MB in the end (delta: 119.5MB). Free memory was 153.6MB in the beginning and 194.6MB in the end (delta: -41.0MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,050 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:04,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.79ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 138.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.29ms. Allocated memory is still 199.2MB. Free memory was 138.0MB in the beginning and 126.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,058 INFO L158 Benchmark]: Boogie Preprocessor took 121.79ms. Allocated memory is still 199.2MB. Free memory was 126.9MB in the beginning and 122.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,059 INFO L158 Benchmark]: RCFGBuilder took 2298.90ms. Allocated memory is still 199.2MB. Free memory was 122.7MB in the beginning and 81.0MB in the end (delta: 41.7MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,060 INFO L158 Benchmark]: TraceAbstraction took 6789.28ms. Allocated memory was 199.2MB in the beginning and 318.8MB in the end (delta: 119.5MB). Free memory was 80.0MB in the beginning and 195.7MB in the end (delta: -115.7MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,061 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 318.8MB. Free memory was 195.7MB in the beginning and 194.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:04,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.79ms. Allocated memory is still 199.2MB. Free memory was 153.1MB in the beginning and 138.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.29ms. Allocated memory is still 199.2MB. Free memory was 138.0MB in the beginning and 126.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.79ms. Allocated memory is still 199.2MB. Free memory was 126.9MB in the beginning and 122.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2298.90ms. Allocated memory is still 199.2MB. Free memory was 122.7MB in the beginning and 81.0MB in the end (delta: 41.7MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6789.28ms. Allocated memory was 199.2MB in the beginning and 318.8MB in the end (delta: 119.5MB). Free memory was 80.0MB in the beginning and 195.7MB in the end (delta: -115.7MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 318.8MB. Free memory was 195.7MB in the beginning and 194.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 98, overapproximation of bitwiseAnd at line 113. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L35] const SORT_3 var_14 = 0; [L36] const SORT_3 var_30 = 1; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_3 input_5; [L41] SORT_3 input_6; [L42] SORT_3 input_7; [L43] SORT_3 input_8; [L44] SORT_3 input_9; [L45] SORT_3 input_10; [L46] SORT_3 input_11; [L47] SORT_12 input_13; [L48] SORT_12 input_34; [L49] SORT_12 input_36; [L50] SORT_3 input_38; [L51] SORT_12 input_100; [L52] SORT_3 input_102; [L53] SORT_1 input_105; [L54] SORT_3 input_107; [L55] SORT_3 input_109; [L56] SORT_3 input_111; [L57] SORT_3 input_113; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L59] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L60] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L61] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L62] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L64] SORT_3 init_16_arg_1 = var_14; [L65] state_15 = init_16_arg_1 [L66] SORT_3 init_18_arg_1 = var_14; [L67] state_17 = init_18_arg_1 [L68] SORT_3 init_21_arg_1 = var_14; [L69] state_20 = init_21_arg_1 [L70] SORT_3 init_25_arg_1 = var_14; [L71] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_30=1] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_34 = __VERIFIER_nondet_uchar() [L85] input_36 = __VERIFIER_nondet_uchar() [L86] input_38 = __VERIFIER_nondet_uchar() [L87] input_100 = __VERIFIER_nondet_uchar() [L88] input_102 = __VERIFIER_nondet_uchar() [L89] input_105 = __VERIFIER_nondet_uchar() [L90] input_107 = __VERIFIER_nondet_uchar() [L91] input_109 = __VERIFIER_nondet_uchar() [L92] input_111 = __VERIFIER_nondet_uchar() [L93] input_113 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = state_24; [L105] SORT_3 var_26 = ~var_26_arg_0; [L106] SORT_3 var_27_arg_0 = var_23; [L107] SORT_3 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_3 var_31_arg_0 = var_27; [L110] SORT_3 var_31 = ~var_31_arg_0; [L111] SORT_3 var_32_arg_0 = var_30; [L112] SORT_3 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_3 [L114] var_32 = var_32 & mask_SORT_3 [L115] SORT_3 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L116] RET __VERIFIER_assert(!(bad_33_arg_0)) [L118] SORT_3 var_40_arg_0 = state_17; [L119] SORT_3 var_40 = ~var_40_arg_0; [L120] SORT_3 var_41_arg_0 = state_15; [L121] SORT_3 var_41 = ~var_41_arg_0; [L122] SORT_3 var_42_arg_0 = var_41; [L123] SORT_3 var_42_arg_1 = state_20; [L124] EXPR var_42_arg_0 & var_42_arg_1 [L124] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L125] SORT_3 var_43_arg_0 = var_42; [L126] SORT_3 var_43 = ~var_43_arg_0; [L127] SORT_3 var_44_arg_0 = var_40; [L128] SORT_3 var_44_arg_1 = var_43; [L129] EXPR var_44_arg_0 | var_44_arg_1 [L129] SORT_3 var_44 = var_44_arg_0 | var_44_arg_1; [L130] SORT_3 var_45_arg_0 = var_44; [L131] SORT_3 var_45 = ~var_45_arg_0; [L132] SORT_3 var_46_arg_0 = state_17; [L133] SORT_3 var_46_arg_1 = state_20; [L134] EXPR var_46_arg_0 & var_46_arg_1 [L134] SORT_3 var_46 = var_46_arg_0 & var_46_arg_1; [L135] SORT_3 var_47_arg_0 = var_41; [L136] SORT_3 var_47_arg_1 = var_46; [L137] EXPR var_47_arg_0 | var_47_arg_1 [L137] SORT_3 var_47 = var_47_arg_0 | var_47_arg_1; [L138] SORT_3 var_48_arg_0 = var_47; [L139] SORT_3 var_48 = ~var_48_arg_0; [L140] SORT_3 var_49_arg_0 = var_45; [L141] SORT_3 var_49_arg_1 = var_48; [L142] EXPR var_49_arg_0 | var_49_arg_1 [L142] SORT_3 var_49 = var_49_arg_0 | var_49_arg_1; [L143] SORT_3 next_115_arg_1 = var_49; [L144] SORT_3 var_51_arg_0 = state_20; [L145] SORT_3 var_51 = ~var_51_arg_0; [L146] SORT_3 var_52_arg_0 = state_17; [L147] SORT_3 var_52_arg_1 = var_51; [L148] EXPR var_52_arg_0 | var_52_arg_1 [L148] SORT_3 var_52 = var_52_arg_0 | var_52_arg_1; [L149] SORT_3 var_53_arg_0 = state_17; [L150] SORT_3 var_53_arg_1 = var_51; [L151] EXPR var_53_arg_0 & var_53_arg_1 [L151] SORT_3 var_53 = var_53_arg_0 & var_53_arg_1; [L152] SORT_3 var_54_arg_0 = var_53; [L153] SORT_3 var_54 = ~var_54_arg_0; [L154] SORT_3 var_55_arg_0 = var_52; [L155] SORT_3 var_55_arg_1 = var_54; [L156] EXPR var_55_arg_0 & var_55_arg_1 [L156] SORT_3 var_55 = var_55_arg_0 & var_55_arg_1; [L157] SORT_3 var_56_arg_0 = var_55; [L158] SORT_3 var_56 = ~var_56_arg_0; [L159] SORT_3 next_116_arg_1 = var_56; [L160] SORT_1 var_58_arg_0 = input_2; [L161] SORT_3 var_58 = var_58_arg_0 >> 0; [L162] SORT_1 var_59_arg_0 = input_2; [L163] SORT_3 var_59 = var_59_arg_0 >> 2; [L164] SORT_3 var_60_arg_0 = var_59; [L165] SORT_3 var_60 = ~var_60_arg_0; [L166] SORT_1 var_61_arg_0 = input_2; [L167] SORT_3 var_61 = var_61_arg_0 >> 1; [L168] SORT_3 var_62_arg_0 = var_60; [L169] SORT_3 var_62_arg_1 = var_61; [L170] EXPR var_62_arg_0 | var_62_arg_1 [L170] SORT_3 var_62 = var_62_arg_0 | var_62_arg_1; [L171] SORT_3 var_63_arg_0 = var_58; [L172] SORT_3 var_63_arg_1 = var_62; [L173] EXPR var_63_arg_0 | var_63_arg_1 [L173] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L174] SORT_3 var_64_arg_0 = var_63; [L175] SORT_3 var_64 = ~var_64_arg_0; [L176] SORT_3 var_65_arg_0 = state_15; [L177] SORT_3 var_65_arg_1 = state_17; [L178] EXPR var_65_arg_0 | var_65_arg_1 [L178] SORT_3 var_65 = var_65_arg_0 | var_65_arg_1; [L179] SORT_3 var_66_arg_0 = var_64; [L180] SORT_3 var_66_arg_1 = var_65; [L181] EXPR var_66_arg_0 | var_66_arg_1 [L181] SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; [L182] SORT_3 var_67_arg_0 = var_66; [L183] SORT_3 var_67_arg_1 = var_51; [L184] EXPR var_67_arg_0 & var_67_arg_1 [L184] SORT_3 var_67 = var_67_arg_0 & var_67_arg_1; [L185] SORT_3 next_117_arg_1 = var_67; [L186] SORT_3 var_69_arg_0 = state_15; [L187] SORT_3 var_69_arg_1 = state_20; [L188] EXPR var_69_arg_0 & var_69_arg_1 [L188] SORT_3 var_69 = var_69_arg_0 & var_69_arg_1; [L189] SORT_3 var_70_arg_0 = var_69; [L190] SORT_3 var_70 = ~var_70_arg_0; [L191] SORT_3 var_71_arg_0 = var_40; [L192] SORT_3 var_71_arg_1 = var_70; [L193] EXPR var_71_arg_0 | var_71_arg_1 [L193] SORT_3 var_71 = var_71_arg_0 | var_71_arg_1; [L194] SORT_3 var_72_arg_0 = var_71; [L195] SORT_3 var_72 = ~var_72_arg_0; [L196] SORT_3 var_73_arg_0 = state_20; [L197] SORT_3 var_73_arg_1 = var_65; [L198] EXPR var_73_arg_0 | var_73_arg_1 [L198] SORT_3 var_73 = var_73_arg_0 | var_73_arg_1; [L199] SORT_3 var_74_arg_0 = var_73; [L200] SORT_3 var_74 = ~var_74_arg_0; [L201] SORT_3 var_75_arg_0 = var_58; [L202] SORT_3 var_75_arg_1 = var_74; [L203] EXPR var_75_arg_0 & var_75_arg_1 [L203] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L204] SORT_3 var_76_arg_0 = var_75; [L205] SORT_3 var_76 = ~var_76_arg_0; [L206] SORT_3 var_77_arg_0 = var_76; [L207] SORT_3 var_77 = ~var_77_arg_0; [L208] SORT_3 var_78_arg_0 = var_72; [L209] SORT_3 var_78_arg_1 = var_77; [L210] EXPR var_78_arg_0 | var_78_arg_1 [L210] SORT_3 var_78 = var_78_arg_0 | var_78_arg_1; [L211] SORT_3 var_79_arg_0 = var_62; [L212] SORT_3 var_79_arg_1 = var_74; [L213] EXPR var_79_arg_0 & var_79_arg_1 [L213] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L214] SORT_3 var_80_arg_0 = var_78; [L215] SORT_3 var_80_arg_1 = var_79; [L216] EXPR var_80_arg_0 | var_80_arg_1 [L216] SORT_3 var_80 = var_80_arg_0 | var_80_arg_1; [L217] SORT_3 next_118_arg_1 = var_80; [L219] state_15 = next_115_arg_1 [L220] state_17 = next_116_arg_1 [L221] state_20 = next_117_arg_1 [L222] state_24 = next_118_arg_1 VAL [bad_33_arg_0=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, input_2=254, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, next_115_arg_1=0, next_116_arg_1=0, next_117_arg_1=0, next_118_arg_1=1, state_15=0, state_17=0, state_20=0, state_24=1, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=255, var_23_arg_0=0, var_26=255, var_26_arg_0=0, var_27=255, var_27_arg_0=255, var_27_arg_1=255, var_30=1, var_31=0, var_31_arg_0=255, var_32=0, var_32_arg_0=1, var_32_arg_1=0, var_40=255, var_40_arg_0=0, var_41=255, var_41_arg_0=0, var_42=0, var_42_arg_0=255, var_42_arg_1=0, var_43=255, var_43_arg_0=0, var_44=255, var_44_arg_0=255, var_44_arg_1=255, var_45=0, var_45_arg_0=255, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=255, var_47_arg_0=255, var_47_arg_1=0, var_48=0, var_48_arg_0=255, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_51=255, var_51_arg_0=0, var_52=255, var_52_arg_0=0, var_52_arg_1=255, var_53=0, var_53_arg_0=0, var_53_arg_1=255, var_54=255, var_54_arg_0=0, var_55=255, var_55_arg_0=255, var_55_arg_1=255, var_56=0, var_56_arg_0=255, var_58=254, var_58_arg_0=254, var_59=63, var_59_arg_0=254, var_60=192, var_60_arg_0=63, var_61=127, var_61_arg_0=254, var_62=255, var_62_arg_0=192, var_62_arg_1=127, var_63=255, var_63_arg_0=254, var_63_arg_1=255, var_64=0, var_64_arg_0=255, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=0, var_67_arg_0=0, var_67_arg_1=255, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=255, var_70_arg_0=0, var_71=255, var_71_arg_0=255, var_71_arg_1=255, var_72=0, var_72_arg_0=255, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=255, var_74_arg_0=0, var_75=254, var_75_arg_0=254, var_75_arg_1=255, var_76=1, var_76_arg_0=254, var_77=254, var_77_arg_0=1, var_78=254, var_78_arg_0=0, var_78_arg_1=254, var_79=255, var_79_arg_0=255, var_79_arg_1=255, var_80=1, var_80_arg_0=254, var_80_arg_1=255] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_34 = __VERIFIER_nondet_uchar() [L85] input_36 = __VERIFIER_nondet_uchar() [L86] input_38 = __VERIFIER_nondet_uchar() [L87] input_100 = __VERIFIER_nondet_uchar() [L88] input_102 = __VERIFIER_nondet_uchar() [L89] input_105 = __VERIFIER_nondet_uchar() [L90] input_107 = __VERIFIER_nondet_uchar() [L91] input_109 = __VERIFIER_nondet_uchar() [L92] input_111 = __VERIFIER_nondet_uchar() [L93] input_113 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = state_24; [L105] SORT_3 var_26 = ~var_26_arg_0; [L106] SORT_3 var_27_arg_0 = var_23; [L107] SORT_3 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_3 var_31_arg_0 = var_27; [L110] SORT_3 var_31 = ~var_31_arg_0; [L111] SORT_3 var_32_arg_0 = var_30; [L112] SORT_3 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_3 [L114] var_32 = var_32 & mask_SORT_3 [L115] SORT_3 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] 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: 6.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2023-11-19 05:20:04,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:07,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:07,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-19 05:20:07,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:07,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:07,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:07,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:07,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:07,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:07,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:07,249 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:07,250 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:07,251 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:07,251 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:07,252 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:07,253 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:07,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:07,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:07,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:07,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:07,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:07,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:07,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:07,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:07,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:07,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:07,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:07,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:07,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:07,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:07,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:07,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:07,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:07,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:07,266 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:07,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:07,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:07,267 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:07,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:07,268 INFO L153 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_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c [2023-11-19 05:20:07,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:07,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:07,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:07,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:07,835 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:07,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:20:11,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:12,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:12,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:20:12,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/31c6678c5/ca2d4e38548b4bb290f0f9511bacf124/FLAGaf968da84 [2023-11-19 05:20:12,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/data/31c6678c5/ca2d4e38548b4bb290f0f9511bacf124 [2023-11-19 05:20:12,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:12,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:12,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:12,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:12,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:12,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47628562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12, skipping insertion in model container [2023-11-19 05:20:12,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:12,435 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-19 05:20:12,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:12,578 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:12,597 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-19 05:20:12,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:12,787 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:12,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12 WrapperNode [2023-11-19 05:20:12,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:12,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:12,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:12,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:12,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,892 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2023-11-19 05:20:12,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:12,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:12,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:12,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:12,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:12,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:12,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:12,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:12,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (1/1) ... [2023-11-19 05:20:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:12,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:12,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:13,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:13,182 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:13,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:13,674 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:13,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:13,684 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:13,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:13 BoogieIcfgContainer [2023-11-19 05:20:13,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:13,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:13,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:13,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:13,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:12" (1/3) ... [2023-11-19 05:20:13,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1a9655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:13, skipping insertion in model container [2023-11-19 05:20:13,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:12" (2/3) ... [2023-11-19 05:20:13,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1a9655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:13, skipping insertion in model container [2023-11-19 05:20:13,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:13" (3/3) ... [2023-11-19 05:20:13,700 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-19 05:20:13,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:13,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:13,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:13,831 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ad6fec9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:13,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:13,837 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) [2023-11-19 05:20:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:20:13,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:13,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:20:13,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:13,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 05:20:13,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:13,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45343599] [2023-11-19 05:20:13,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:13,881 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 [2023-11-19 05:20:13,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:13,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:20:13,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:14,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:20:14,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:14,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:14,437 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:14,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45343599] [2023-11-19 05:20:14,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45343599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:14,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:14,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:20:14,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826360295] [2023-11-19 05:20:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:14,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:20:14,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:20:14,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:20:14,493 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) [2023-11-19 05:20:14,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:14,566 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 05:20:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:20:14,570 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 [2023-11-19 05:20:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:14,579 INFO L225 Difference]: With dead ends: 19 [2023-11-19 05:20:14,580 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 05:20:14,583 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 [2023-11-19 05:20:14,587 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 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 [2023-11-19 05:20:14,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 05:20:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 05:20:14,625 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) [2023-11-19 05:20:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 05:20:14,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 05:20:14,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:14,628 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 05:20:14,628 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) [2023-11-19 05:20:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 05:20:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:20:14,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:14,630 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 05:20:14,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:14,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:14,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:14,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:14,835 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 05:20:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894502968] [2023-11-19 05:20:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:14,838 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 [2023-11-19 05:20:14,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:14,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:20:14,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:15,055 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-19 05:20:15,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:16,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:16,847 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:16,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894502968] [2023-11-19 05:20:16,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894502968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:16,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [445354735] [2023-11-19 05:20:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:16,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:16,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:20:16,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:20:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:20:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:17,187 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-19 05:20:17,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:18,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:18,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [445354735] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:18,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282903583] [2023-11-19 05:20:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:18,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:18,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:20:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:18,718 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 05:20:18,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:19,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:20:20,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282903583] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:20:20,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:20:20,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2023-11-19 05:20:20,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848082330] [2023-11-19 05:20:20,205 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:20:20,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:20:20,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:20,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:20:20,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:20:20,209 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:20,722 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-11-19 05:20:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:20:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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 [2023-11-19 05:20:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:20,733 INFO L225 Difference]: With dead ends: 13 [2023-11-19 05:20:20,733 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:20:20,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:20:20,736 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 13 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:20,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:20:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:20:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:20:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:20:20,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-11-19 05:20:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:20,738 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:20:20,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:20:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:20:20,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:20:20,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:20,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:20:20,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:21,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:21,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:21,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:20:21,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:20:21,414 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-19 05:20:21,420 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-19 05:20:21,420 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-19 05:20:21,420 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:20:21,421 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 23 225) no Hoare annotation was computed. [2023-11-19 05:20:21,421 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 05:20:21,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 05:20:21,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-19 05:20:21,422 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 223) the Hoare annotation is: (forall ((|v_ULTIMATE.start_main_~var_32_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_32_arg_0~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~state_24~0#1|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|))))))))))))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (_ bv0 8))) [2023-11-19 05:20:21,423 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 223) no Hoare annotation was computed. [2023-11-19 05:20:21,427 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:20:21,429 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:21,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_main_~var_32_arg_0~0#1_5 : bv8 :: ~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_~var_32_arg_0~0#1_5), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~state_24~0))[7:0]), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~state_20~0), ~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~state_17~0), ~zero_extend~32~8(~state_15~0))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extend~32~8(~mask_SORT_3~0))[7:0] == 0bv8) could not be translated [2023-11-19 05:20:21,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:21 BoogieIcfgContainer [2023-11-19 05:20:21,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:21,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:21,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:21,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:21,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:13" (3/4) ... [2023-11-19 05:20:21,447 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:20:21,463 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 05:20:21,464 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:20:21,464 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:20:21,465 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:20:21,652 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:20:21,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:20:21,653 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:21,654 INFO L158 Benchmark]: Toolchain (without parser) took 9549.53ms. Allocated memory was 73.4MB in the beginning and 237.0MB in the end (delta: 163.6MB). Free memory was 49.4MB in the beginning and 170.3MB in the end (delta: -121.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,654 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:21,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.94ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 76.3MB in the end (delta: -27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.88ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 73.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:21,656 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,656 INFO L158 Benchmark]: RCFGBuilder took 750.93ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 52.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,657 INFO L158 Benchmark]: TraceAbstraction took 7752.05ms. Allocated memory was 98.6MB in the beginning and 237.0MB in the end (delta: 138.4MB). Free memory was 51.5MB in the beginning and 177.7MB in the end (delta: -126.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,658 INFO L158 Benchmark]: Witness Printer took 209.52ms. Allocated memory is still 237.0MB. Free memory was 177.7MB in the beginning and 170.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:20:21,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.94ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 76.3MB in the end (delta: -27.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.88ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 73.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.93ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 52.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7752.05ms. Allocated memory was 98.6MB in the beginning and 237.0MB in the end (delta: 138.4MB). Free memory was 51.5MB in the beginning and 177.7MB in the end (delta: -126.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 209.52ms. Allocated memory is still 237.0MB. Free memory was 177.7MB in the beginning and 170.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_main_~var_32_arg_0~0#1_5 : bv8 :: ~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_~var_32_arg_0~0#1_5), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~state_24~0))[7:0]), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~state_20~0), ~zero_extend~32~8(~bvor~32(~zero_extend~32~8(~state_17~0), ~zero_extend~32~8(~state_15~0))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extend~32~8(~mask_SORT_3~0))[7:0] == 0bv8) could not be translated * 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 38 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 117 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 15 QuantifiedInterpolants, 1928 SizeOfPredicates, 322 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 307 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 05:20:21,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44ebae5-6397-418c-b7e8-29a4ff66be46/bin/utaipan-verify-t7M7D8N6sZ/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 Result: TRUE