./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh --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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:40:12,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:40:12,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:40:12,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:40:12,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:40:12,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:40:12,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:40:12,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:40:12,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:40:12,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:40:12,261 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:40:12,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:40:12,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:40:12,263 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:40:12,264 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:40:12,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:40:12,265 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:40:12,265 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:40:12,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:40:12,266 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:40:12,267 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:40:12,267 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:40:12,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:40:12,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:40:12,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:40:12,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:40:12,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:40:12,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:40:12,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:40:12,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:40:12,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:40:12,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:40:12,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:40:12,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:40:12,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:12,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:40:12,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:40:12,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:40:12,272 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:40:12,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:40:12,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:40:12,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:40:12,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:40:12,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:40:12,274 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_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-12-02 13:40:12,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:40:12,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:40:12,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:40:12,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:40:12,495 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:40:12,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:15,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:40:15,400 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:40:15,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:15,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/66ffe321c/7193bde94bde4792971e85fddca9bfa1/FLAG9232d2966 [2023-12-02 13:40:15,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/66ffe321c/7193bde94bde4792971e85fddca9bfa1 [2023-12-02 13:40:15,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:40:15,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:40:15,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:15,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:40:15,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:40:15,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fdac83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15, skipping insertion in model container [2023-12-02 13:40:15,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:40:15,622 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_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 13:40:15,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:15,706 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:40:15,718 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_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 13:40:15,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:15,777 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:40:15,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15 WrapperNode [2023-12-02 13:40:15,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:15,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:15,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:40:15,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:40:15,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,857 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 462 [2023-12-02 13:40:15,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:15,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:40:15,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:40:15,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:40:15,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:40:15,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:40:15,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:40:15,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:40:15,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (1/1) ... [2023-12-02 13:40:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:15,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:15,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:40:15,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:40:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:40:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:40:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:40:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:40:16,099 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:40:16,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:40:16,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:40:17,032 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:40:17,032 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:40:17,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:17 BoogieIcfgContainer [2023-12-02 13:40:17,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:40:17,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:40:17,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:40:17,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:40:17,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:15" (1/3) ... [2023-12-02 13:40:17,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b5e660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:17, skipping insertion in model container [2023-12-02 13:40:17,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:15" (2/3) ... [2023-12-02 13:40:17,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b5e660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:17, skipping insertion in model container [2023-12-02 13:40:17,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:17" (3/3) ... [2023-12-02 13:40:17,042 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:17,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:40:17,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:40:17,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:40:17,112 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;@173ef370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:40:17,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:40:17,116 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) [2023-12-02 13:40:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 13:40:17,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:17,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 13:40:17,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:17,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:17,128 INFO L85 PathProgramCache]: Analyzing trace with hash 12811310, now seen corresponding path program 1 times [2023-12-02 13:40:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:40:17,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139583652] [2023-12-02 13:40:17,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:17,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:40:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:40:17,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:40:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:40:17,526 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:40:17,528 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:40:17,529 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:40:17,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:40:17,535 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:40:17,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:40:17,558 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 13:40:17,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:40:17 BoogieIcfgContainer [2023-12-02 13:40:17,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:40:17,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:40:17,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:40:17,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:40:17,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:17" (3/4) ... [2023-12-02 13:40:17,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:40:17,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:40:17,574 INFO L158 Benchmark]: Toolchain (without parser) took 2142.40ms. Allocated memory is still 178.3MB. Free memory was 133.6MB in the beginning and 82.7MB in the end (delta: 50.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,575 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:17,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.62ms. Allocated memory is still 178.3MB. Free memory was 133.6MB in the beginning and 117.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.59ms. Allocated memory is still 178.3MB. Free memory was 117.4MB in the beginning and 108.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,576 INFO L158 Benchmark]: Boogie Preprocessor took 70.49ms. Allocated memory is still 178.3MB. Free memory was 108.5MB in the beginning and 105.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,577 INFO L158 Benchmark]: RCFGBuilder took 1104.33ms. Allocated memory is still 178.3MB. Free memory was 105.0MB in the beginning and 118.4MB in the end (delta: -13.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,578 INFO L158 Benchmark]: TraceAbstraction took 532.25ms. Allocated memory is still 178.3MB. Free memory was 117.3MB in the beginning and 82.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 13:40:17,578 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 178.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:17,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.62ms. Allocated memory is still 178.3MB. Free memory was 133.6MB in the beginning and 117.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.59ms. Allocated memory is still 178.3MB. Free memory was 117.4MB in the beginning and 108.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.49ms. Allocated memory is still 178.3MB. Free memory was 108.5MB in the beginning and 105.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.33ms. Allocated memory is still 178.3MB. Free memory was 105.0MB in the beginning and 118.4MB in the end (delta: -13.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * TraceAbstraction took 532.25ms. Allocated memory is still 178.3MB. Free memory was 117.3MB in the beginning and 82.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 178.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 bitwiseAnd at line 88. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] EXPR var_20_arg_0 & var_20_arg_1 [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:40:17,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh --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 caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:40:19,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:40:19,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 13:40:19,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:40:19,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:40:19,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:40:19,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:40:19,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:40:19,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:40:19,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:40:19,582 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:40:19,583 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:40:19,584 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:40:19,584 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:40:19,585 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:40:19,585 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:40:19,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:40:19,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:40:19,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:40:19,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:40:19,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:40:19,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:40:19,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:40:19,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:40:19,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:40:19,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:40:19,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:40:19,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:40:19,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:40:19,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:40:19,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:40:19,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:19,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:40:19,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:40:19,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:40:19,593 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:40:19,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:40:19,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:40:19,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:40:19,594 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:40:19,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:40:19,595 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_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-12-02 13:40:19,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:40:19,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:40:19,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:40:19,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:40:19,932 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:40:19,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:22,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:40:22,974 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:40:22,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:22,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/4ef247af2/35a0777152164eccb01b7cd194a8a1fe/FLAGeeb81b9f3 [2023-12-02 13:40:23,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/data/4ef247af2/35a0777152164eccb01b7cd194a8a1fe [2023-12-02 13:40:23,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:40:23,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:40:23,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:23,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:40:23,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:40:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2f6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23, skipping insertion in model container [2023-12-02 13:40:23,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:40:23,226 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_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 13:40:23,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:23,313 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:40:23,328 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_6218976b-0f7c-4a99-bb69-14d317633bd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 13:40:23,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:40:23,386 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:40:23,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23 WrapperNode [2023-12-02 13:40:23,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:40:23,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:23,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:40:23,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:40:23,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,451 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2023-12-02 13:40:23,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:40:23,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:40:23,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:40:23,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:40:23,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:40:23,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:40:23,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:40:23,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:40:23,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (1/1) ... [2023-12-02 13:40:23,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:40:23,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:23,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:40:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:40:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:40:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:40:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:40:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:40:23,698 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:40:23,700 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:40:23,955 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:40:23,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:40:23,993 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:40:23,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:23 BoogieIcfgContainer [2023-12-02 13:40:23,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:40:23,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:40:23,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:40:24,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:40:24,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:23" (1/3) ... [2023-12-02 13:40:24,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daf1fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:24, skipping insertion in model container [2023-12-02 13:40:24,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:23" (2/3) ... [2023-12-02 13:40:24,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daf1fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:24, skipping insertion in model container [2023-12-02 13:40:24,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:23" (3/3) ... [2023-12-02 13:40:24,003 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 13:40:24,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:40:24,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:40:24,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:40:24,069 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;@26892a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:40:24,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:40:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:40:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 13:40:24,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:24,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 13:40:24,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:24,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:24,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 13:40:24,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:24,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075291132] [2023-12-02 13:40:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:24,094 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 [2023-12-02 13:40:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:24,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:40:24,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:40:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:24,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 13:40:24,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:24,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:40:24,466 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:24,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075291132] [2023-12-02 13:40:24,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075291132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:40:24,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:40:24,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:40:24,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971216464] [2023-12-02 13:40:24,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:40:24,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:40:24,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:24,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:40:24,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:40:24,504 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-12-02 13:40:24,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:24,572 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 13:40:24,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:40:24,575 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 [2023-12-02 13:40:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:24,582 INFO L225 Difference]: With dead ends: 16 [2023-12-02 13:40:24,583 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 13:40:24,585 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 [2023-12-02 13:40:24,589 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:24,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:40:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 13:40:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 13:40:24,619 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) [2023-12-02 13:40:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 13:40:24,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 13:40:24,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:24,621 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 13:40:24,621 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) [2023-12-02 13:40:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 13:40:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 13:40:24,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:24,622 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 13:40:24,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:40:24,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:40:24,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:24,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:24,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 13:40:24,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:24,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496781492] [2023-12-02 13:40:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:24,827 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 [2023-12-02 13:40:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:24,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:40:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:40:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:24,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 13:40:25,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:25,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:26,683 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496781492] [2023-12-02 13:40:26,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496781492] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:26,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [331866433] [2023-12-02 13:40:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:26,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:40:26,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:40:26,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:40:26,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 13:40:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:26,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-02 13:40:26,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:27,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:28,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [331866433] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:28,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510042065] [2023-12-02 13:40:28,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:40:28,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:40:28,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:28,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:40:28,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:40:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:40:28,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 13:40:28,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:28,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:29,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510042065] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:29,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:40:29,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 15 [2023-12-02 13:40:29,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324787574] [2023-12-02 13:40:29,636 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:40:29,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 13:40:29,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:29,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 13:40:29,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-12-02 13:40:29,639 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 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) [2023-12-02 13:40:29,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:29,808 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 13:40:29,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:40:29,808 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 13:40:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:29,809 INFO L225 Difference]: With dead ends: 14 [2023-12-02 13:40:29,809 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 13:40:29,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2023-12-02 13:40:29,811 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:29,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:40:29,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 13:40:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 13:40:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:40:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 13:40:29,816 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 13:40:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:29,817 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 13:40:29,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 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) [2023-12-02 13:40:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 13:40:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 13:40:29,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:29,818 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 13:40:29,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:40:30,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 13:40:30,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-02 13:40:30,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:40:30,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:30,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 13:40:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263205982] [2023-12-02 13:40:30,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 13:40:30,424 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 [2023-12-02 13:40:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:30,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:40:30,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 13:40:30,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 13:40:30,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:40:30,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 13:40:30,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:31,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:35,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:40:35,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263205982] [2023-12-02 13:40:35,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263205982] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:35,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1693700854] [2023-12-02 13:40:35,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 13:40:35,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:40:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:40:35,911 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:40:35,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 13:40:36,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 13:40:36,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:40:36,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 110 conjunts are in the unsatisfiable core [2023-12-02 13:40:36,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:36,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:40,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1693700854] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:40,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324484086] [2023-12-02 13:40:40,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 13:40:40,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:40:40,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:40:40,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:40:40,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:40:40,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 13:40:40,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:40:40,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-02 13:40:40,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:41,032 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:40:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:45,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324484086] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:40:45,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:40:45,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7, 7, 7, 6] total 20 [2023-12-02 13:40:45,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668417129] [2023-12-02 13:40:45,868 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:40:45,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 13:40:45,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:40:45,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 13:40:45,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2023-12-02 13:40:45,871 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 20 states have internal predecessors, (38), 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) [2023-12-02 13:40:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:40:46,300 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-12-02 13:40:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 13:40:46,301 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 20 states have internal predecessors, (38), 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 10 [2023-12-02 13:40:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:40:46,302 INFO L225 Difference]: With dead ends: 17 [2023-12-02 13:40:46,302 INFO L226 Difference]: Without dead ends: 15 [2023-12-02 13:40:46,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2023-12-02 13:40:46,304 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 11 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:40:46,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 24 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:40:46,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-02 13:40:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-12-02 13:40:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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) [2023-12-02 13:40:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-12-02 13:40:46,309 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-12-02 13:40:46,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:40:46,309 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-12-02 13:40:46,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 20 states have internal predecessors, (38), 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) [2023-12-02 13:40:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-12-02 13:40:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 13:40:46,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:40:46,310 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-12-02 13:40:46,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 13:40:46,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 13:40:46,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 13:40:46,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:40:46,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:40:46,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:40:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-12-02 13:40:46,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:40:46,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316984801] [2023-12-02 13:40:46,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:40:46,913 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 [2023-12-02 13:40:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:40:46,914 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:40:46,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 (9)] Waiting until timeout for monitored process [2023-12-02 13:40:47,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 13:40:47,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:40:47,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 151 conjunts are in the unsatisfiable core [2023-12-02 13:40:47,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:40:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:40:51,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:41:13,828 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:41:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316984801] [2023-12-02 13:41:13,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316984801] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:41:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [282953695] [2023-12-02 13:41:13,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:41:13,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:41:13,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:41:13,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:41:13,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 13:41:14,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 13:41:14,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:41:14,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-02 13:41:14,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:41:18,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:41:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:41:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [282953695] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:41:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218291155] [2023-12-02 13:41:39,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:41:39,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:41:39,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:41:39,634 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:41:39,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 13:41:40,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 13:41:40,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:41:40,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 158 conjunts are in the unsatisfiable core [2023-12-02 13:41:40,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:41:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:41:54,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:42:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:42:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218291155] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:42:21,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:42:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 8, 8] total 27 [2023-12-02 13:42:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601430278] [2023-12-02 13:42:21,206 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:42:21,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 13:42:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:42:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 13:42:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=628, Unknown=10, NotChecked=0, Total=756 [2023-12-02 13:42:21,208 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 28 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 27 states have internal predecessors, (47), 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) [2023-12-02 13:42:25,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:42:27,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:42:36,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:42:38,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:42:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:42:38,210 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 13:42:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:42:38,213 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 27 states have internal predecessors, (47), 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 13 [2023-12-02 13:42:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:42:38,213 INFO L225 Difference]: With dead ends: 14 [2023-12-02 13:42:38,213 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 13:42:38,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 11 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 54.7s TimeCoverageRelationStatistics Valid=215, Invalid=765, Unknown=12, NotChecked=0, Total=992 [2023-12-02 13:42:38,215 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:42:38,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 4 Unknown, 0 Unchecked, 8.2s Time] [2023-12-02 13:42:38,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 13:42:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 13:42:38,216 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) [2023-12-02 13:42:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 13:42:38,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-12-02 13:42:38,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:42:38,217 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 13:42:38,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 27 states have internal predecessors, (47), 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) [2023-12-02 13:42:38,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 13:42:38,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 13:42:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:42:38,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 13:42:38,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 13:42:38,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 (9)] Ended with exit code 0 [2023-12-02 13:42:38,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:42:38,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 13:43:36,949 WARN L293 SmtUtils]: Spent 58.05s on a formula simplification. DAG size of input: 346 DAG size of output: 213 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 13:43:36,953 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 13:43:36,953 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-12-02 13:43:36,953 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-12-02 13:43:36,954 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-12-02 13:43:36,955 INFO L895 garLoopResultBuilder]: At program point L81-2(lines 81 230) the Hoare annotation is: (let ((.cse17 (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|)) (.cse16 (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|)) (.cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|))) (let ((.cse0 (let ((.cse26 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_47| (_ BitVec 8))) (let ((.cse39 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_47|) (_ bv1 32))))) (and (not (= .cse39 (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) .cse39)) |ULTIMATE.start_main_~state_31~0#1|)))))) (or (and (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_47| (_ BitVec 8))) (let ((.cse25 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_47|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse25))) (_ bv1 32))) |ULTIMATE.start_main_~state_29~0#1|) (not (= (_ bv0 8) .cse25))))) (or (and .cse26 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse27)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse28 .cse29))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse29) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse28) |ULTIMATE.start_main_~state_22~0#1|))))) (and .cse15 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse32 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse30)) (= ((_ extract 7 0) .cse31) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse32) |ULTIMATE.start_main_~state_22~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 .cse31))))) (bvneg .cse30))))))) |ULTIMATE.start_main_~state_40~0#1|))))))) (and .cse16 (or (and .cse26 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse35 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse34 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse33)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse34 (bvneg .cse35)))))) .cse33)))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse35) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse34) |ULTIMATE.start_main_~state_22~0#1|))))) (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse37 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= |ULTIMATE.start_main_~state_26~0#1| ((_ extract 7 0) .cse36)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse37 (bvneg .cse38)))))) (bvneg .cse36))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) .cse38) |ULTIMATE.start_main_~state_24~0#1|) (= ((_ extract 7 0) .cse37) |ULTIMATE.start_main_~state_22~0#1|)))) .cse15)))))) (.cse1 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_47| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_8~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_47|) (_ bv1 32)))))) (.cse2 (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_47| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_7~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_47|) (_ bv1 32)))))) (.cse3 (or (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse18))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse19 .cse20))))))))))))) |ULTIMATE.start_main_~state_42~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse19)) ((_ zero_extend 24) ((_ extract 7 0) .cse20)))))))) |ULTIMATE.start_main_~state_37~0#1|)))) (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_47| (_ BitVec 8))) (let ((.cse21 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_47|) (_ bv1 32))))) (and (not (= .cse21 (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse21))))) (_ bv1 32))) |ULTIMATE.start_main_~state_35~0#1|))))) (and (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)) (.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse22))) |ULTIMATE.start_main_~state_33~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 (bvneg .cse24)))))) (bvneg .cse22))))))))) |ULTIMATE.start_main_~state_42~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse24))) ((_ zero_extend 24) ((_ extract 7 0) .cse23)))))))) |ULTIMATE.start_main_~state_37~0#1|)))) .cse17))) (.cse11 (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_51| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_51|) (_ bv1 32))) |ULTIMATE.start_main_~input_9~0#1|))) (.cse4 (= |ULTIMATE.start_main_~var_10~0#1| (_ bv0 8))) (.cse5 (= |ULTIMATE.start_main_~var_28~0#1| (_ bv0 8))) (.cse6 (= (_ bv0 8) |ULTIMATE.start_main_~state_11~0#1|)) (.cse7 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse8 (= (_ bv0 8) |ULTIMATE.start_main_~state_13~0#1|)) (.cse9 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse10 (= (_ bv1 8) |ULTIMATE.start_main_~var_18~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse9 .cse10 .cse11 (exists ((|ULTIMATE.start_main_~var_63_arg_2~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_61_arg_2~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_61_arg_2~0#1|)) (.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_63_arg_2~0#1|)) (.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse12)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) .cse14)))))))))))))))))) |ULTIMATE.start_main_~state_13~0#1|) (= ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 (bvneg .cse13)))))) .cse12))))))))))))) |ULTIMATE.start_main_~state_11~0#1|))))) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_26~0#1|) .cse4 .cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_22~0#1|) .cse16 .cse5 .cse6 .cse7 (= (_ bv0 8) |ULTIMATE.start_main_~state_24~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|) .cse17 .cse8 .cse9 (= (_ bv0 8) |ULTIMATE.start_main_~state_37~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_42~0#1|) .cse10)))) [2023-12-02 13:43:36,955 INFO L899 garLoopResultBuilder]: For program point L81-3(lines 81 230) no Hoare annotation was computed. [2023-12-02 13:43:36,956 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 13:43:36,956 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-12-02 13:43:36,958 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 13:43:36,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:43:36,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])) could not be translated [2023-12-02 13:43:36,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-12-02 13:43:36,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated [2023-12-02 13:43:36,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-12-02 13:43:36,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0]) could not be translated [2023-12-02 13:43:36,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0]) could not be translated [2023-12-02 13:43:36,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-12-02 13:43:36,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0) could not be translated [2023-12-02 13:43:36,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-12-02 13:43:36,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_51 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_51), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-12-02 13:43:36,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])) could not be translated [2023-12-02 13:43:36,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-12-02 13:43:36,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated [2023-12-02 13:43:36,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated [2023-12-02 13:43:36,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 13:43:36,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0]) could not be translated [2023-12-02 13:43:36,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0]) could not be translated [2023-12-02 13:43:36,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-12-02 13:43:36,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0) could not be translated [2023-12-02 13:43:36,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-12-02 13:43:36,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_51 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_51), 1bv32)[7:0] == ~input_9~0) could not be translated [2023-12-02 13:43:36,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) could not be translated [2023-12-02 13:43:36,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:43:36 BoogieIcfgContainer [2023-12-02 13:43:36,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:43:36,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:43:36,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:43:36,994 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:43:36,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:23" (3/4) ... [2023-12-02 13:43:36,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:43:37,007 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 13:43:37,007 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 13:43:37,008 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 13:43:37,009 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:43:37,102 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:43:37,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:43:37,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:43:37,103 INFO L158 Benchmark]: Toolchain (without parser) took 194098.37ms. Allocated memory was 115.3MB in the beginning and 413.1MB in the end (delta: 297.8MB). Free memory was 91.3MB in the beginning and 308.7MB in the end (delta: -217.3MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,104 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:43:37,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.64ms. Allocated memory is still 115.3MB. Free memory was 91.0MB in the beginning and 75.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.15ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,105 INFO L158 Benchmark]: Boogie Preprocessor took 45.85ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 71.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,105 INFO L158 Benchmark]: RCFGBuilder took 495.04ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 74.1MB in the end (delta: -3.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,105 INFO L158 Benchmark]: TraceAbstraction took 192996.91ms. Allocated memory was 115.3MB in the beginning and 413.1MB in the end (delta: 297.8MB). Free memory was 73.4MB in the beginning and 314.9MB in the end (delta: -241.5MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,106 INFO L158 Benchmark]: Witness Printer took 108.65ms. Allocated memory is still 413.1MB. Free memory was 314.9MB in the beginning and 308.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:43:37,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.64ms. Allocated memory is still 115.3MB. Free memory was 91.0MB in the beginning and 75.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.15ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.85ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 71.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.04ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 74.1MB in the end (delta: -3.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 192996.91ms. Allocated memory was 115.3MB in the beginning and 413.1MB in the end (delta: 297.8MB). Free memory was 73.4MB in the beginning and 314.9MB in the end (delta: -241.5MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. * Witness Printer took 108.65ms. Allocated memory is still 413.1MB. Free memory was 314.9MB in the beginning and 308.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_51 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_51), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0] == ~state_31~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_47 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_47), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_47 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_47), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_51 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_51), 1bv32)[7:0] == ~input_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]))[7:0] == ~state_13~0 && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]))[7:0] == ~state_11~0) 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 192.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 58.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 6 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 85 SyntacticMatches, 19 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 59.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 28, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 5 NumberOfFragments, 915 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1329 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 1521 FormulaSimplificationTreeSizeReductionInter, 58.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 111.4s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 165 ConstructedInterpolants, 98 QuantifiedInterpolants, 75908 SizeOfPredicates, 882 NumberOfNonLiveVariables, 2984 ConjunctsInSsa, 919 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 1/144 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: 81]: Loop Invariant Derived loop invariant: (((((((((var_10 == 0) && (var_28 == 0)) && (0 == state_11)) && (1 == mask_SORT_5)) && (0 == state_13)) && (((1 + mask_SORT_1) % 256) == 0)) && (1 == var_18)) || (((((var_10 == 0) && (var_28 == 0)) && (1 == mask_SORT_5)) && (((1 + mask_SORT_1) % 256) == 0)) && (1 == var_18))) || (((((((((((((((((0 == state_26) && (var_10 == 0)) && (0 == state_31)) && (0 == state_22)) && (0 == state_29)) && (var_28 == 0)) && (0 == state_11)) && (1 == mask_SORT_5)) && (0 == state_24)) && (0 == state_40)) && (0 == state_35)) && (0 == state_13)) && (((1 + mask_SORT_1) % 256) == 0)) && (0 == state_37)) && (0 == state_33)) && (0 == state_42)) && (1 == var_18))) RESULT: Ultimate proved your program to be correct! [2023-12-02 13:43:37,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6218976b-0f7c-4a99-bb69-14d317633bd7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE