./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.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_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:54:36,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:54:36,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:54:36,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:54:36,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:54:36,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:54:36,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:54:36,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:54:36,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:54:36,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:54:36,208 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:54:36,208 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:54:36,209 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:54:36,209 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:54:36,210 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:54:36,210 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:54:36,211 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:54:36,211 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:54:36,212 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:54:36,212 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:54:36,213 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:54:36,214 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:54:36,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:54:36,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:54:36,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:54:36,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:54:36,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:54:36,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:54:36,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:54:36,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:54:36,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:54:36,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:54:36,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:54:36,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:54:36,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:54:36,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:54:36,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:54:36,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:54:36,220 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:54:36,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:54:36,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:54:36,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:54:36,221 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:54:36,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:54:36,221 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-12-02 19:54:36,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:54:36,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:54:36,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:54:36,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:54:36,487 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:54:36,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:39,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:54:39,446 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:54:39,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:39,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/2aa64efd5/bc8f58816a43402785b970039bf970a9/FLAG5a52309a2 [2023-12-02 19:54:39,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/2aa64efd5/bc8f58816a43402785b970039bf970a9 [2023-12-02 19:54:39,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:54:39,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:54:39,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:54:39,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:54:39,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:54:39,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a87f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39, skipping insertion in model container [2023-12-02 19:54:39,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:54:39,669 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-12-02 19:54:39,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:54:39,748 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:54:39,761 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-12-02 19:54:39,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:54:39,826 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:54:39,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39 WrapperNode [2023-12-02 19:54:39,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:54:39,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:54:39,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:54:39,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:54:39,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,914 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 459 [2023-12-02 19:54:39,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:54:39,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:54:39,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:54:39,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:54:39,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:39,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:40,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:40,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:40,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:40,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:54:40,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:54:40,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:54:40,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:54:40,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (1/1) ... [2023-12-02 19:54:40,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:54:40,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:54:40,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:54:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:54:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:54:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:54:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:54:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:54:40,199 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:54:40,202 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:54:40,710 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:54:41,094 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:54:41,094 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:54:41,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:41 BoogieIcfgContainer [2023-12-02 19:54:41,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:54:41,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:54:41,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:54:41,101 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:54:41,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:54:39" (1/3) ... [2023-12-02 19:54:41,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3967710e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:41, skipping insertion in model container [2023-12-02 19:54:41,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:39" (2/3) ... [2023-12-02 19:54:41,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3967710e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:41, skipping insertion in model container [2023-12-02 19:54:41,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:41" (3/3) ... [2023-12-02 19:54:41,119 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:41,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:54:41,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:54:41,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:54:41,181 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;@306c01fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:54:41,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:54:41,185 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 19:54:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 19:54:41,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:41,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 19:54:41,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:54:41,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash 12913176, now seen corresponding path program 1 times [2023-12-02 19:54:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:54:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687385959] [2023-12-02 19:54:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:41,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:54:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:54:41,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:54:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:54:41,570 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:54:41,572 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:54:41,573 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:54:41,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:54:41,578 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:54:41,582 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:54:41,601 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 19:54:41,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:54:41 BoogieIcfgContainer [2023-12-02 19:54:41,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:54:41,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:54:41,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:54:41,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:54:41,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:41" (3/4) ... [2023-12-02 19:54:41,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:54:41,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:54:41,618 INFO L158 Benchmark]: Toolchain (without parser) took 2141.99ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 82.5MB in the end (delta: 28.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-12-02 19:54:41,619 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:54:41,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 94.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:54:41,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.60ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 85.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 19:54:41,621 INFO L158 Benchmark]: Boogie Preprocessor took 102.94ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 122.0MB in the end (delta: -36.3MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-02 19:54:41,622 INFO L158 Benchmark]: RCFGBuilder took 1077.47ms. Allocated memory is still 157.3MB. Free memory was 121.2MB in the beginning and 54.6MB in the end (delta: 66.6MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-12-02 19:54:41,622 INFO L158 Benchmark]: TraceAbstraction took 514.15ms. Allocated memory is still 157.3MB. Free memory was 54.6MB in the beginning and 83.5MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:54:41,623 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 82.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:54:41,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 94.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.60ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 85.8MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.94ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 122.0MB in the end (delta: -36.3MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.47ms. Allocated memory is still 157.3MB. Free memory was 121.2MB in the beginning and 54.6MB in the end (delta: 66.6MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * TraceAbstraction took 514.15ms. Allocated memory is still 157.3MB. Free memory was 54.6MB in the beginning and 83.5MB in the end (delta: -28.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 157.3MB. Free memory was 83.5MB in the beginning and 82.5MB in the end (delta: 1.0MB). 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 84. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_1 var_9 = 0; [L30] const SORT_1 var_17 = 1; [L32] SORT_1 input_2; [L33] SORT_1 input_3; [L34] SORT_1 input_4; [L35] SORT_1 input_5; [L36] SORT_1 input_6; [L37] SORT_1 input_7; [L38] SORT_1 input_8; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L40] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 init_11_arg_1 = var_9; [L54] state_10 = init_11_arg_1 [L55] SORT_1 init_13_arg_1 = var_9; [L56] state_12 = init_13_arg_1 [L57] SORT_1 init_22_arg_1 = var_9; [L58] state_21 = init_22_arg_1 [L59] SORT_1 init_24_arg_1 = var_9; [L60] state_23 = init_24_arg_1 [L61] SORT_1 init_26_arg_1 = var_9; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_9; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_9; [L66] state_29 = init_30_arg_1 [L67] SORT_1 init_32_arg_1 = var_9; [L68] state_31 = init_32_arg_1 [L69] SORT_1 init_34_arg_1 = var_9; [L70] state_33 = init_34_arg_1 [L71] SORT_1 init_36_arg_1 = var_9; [L72] state_35 = init_36_arg_1 [L73] SORT_1 init_39_arg_1 = var_9; [L74] state_38 = init_39_arg_1 [L75] SORT_1 init_41_arg_1 = var_9; [L76] state_40 = init_41_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L79] input_2 = __VERIFIER_nondet_uchar() [L80] input_3 = __VERIFIER_nondet_uchar() [L81] input_4 = __VERIFIER_nondet_uchar() [L82] input_5 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] EXPR input_6 & mask_SORT_1 [L84] input_6 = input_6 & mask_SORT_1 [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_1 [L86] input_7 = input_7 & mask_SORT_1 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_1 [L88] input_8 = input_8 & mask_SORT_1 [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_1 var_18_arg_0 = var_14; [L95] SORT_1 var_18 = ~var_18_arg_0; [L96] SORT_1 var_19_arg_0 = var_17; [L97] SORT_1 var_19_arg_1 = var_18; [L98] EXPR var_19_arg_0 & var_19_arg_1 [L98] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L99] EXPR var_19 & mask_SORT_1 [L99] var_19 = var_19 & mask_SORT_1 [L100] SORT_1 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_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 19:54:41,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:54:43,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:54:43,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 19:54:43,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:54:43,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:54:43,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:54:43,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:54:43,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:54:43,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:54:43,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:54:43,732 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:54:43,732 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:54:43,733 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:54:43,733 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:54:43,734 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:54:43,734 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:54:43,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:54:43,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:54:43,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:54:43,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:54:43,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:54:43,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:54:43,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:54:43,739 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:54:43,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:54:43,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:54:43,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:54:43,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:54:43,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:54:43,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:54:43,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:54:43,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:54:43,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:54:43,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:54:43,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:54:43,743 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:54:43,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:54:43,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:54:43,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:54:43,744 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:54:43,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:54:43,745 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-12-02 19:54:44,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:54:44,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:54:44,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:54:44,067 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:54:44,068 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:54:44,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:46,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:54:47,106 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:54:47,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:47,118 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/5cb1eabdb/903f669e809a4c4693bce70e48bd8fc5/FLAGf10ef2975 [2023-12-02 19:54:47,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/data/5cb1eabdb/903f669e809a4c4693bce70e48bd8fc5 [2023-12-02 19:54:47,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:54:47,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:54:47,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:54:47,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:54:47,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:54:47,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e69fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47, skipping insertion in model container [2023-12-02 19:54:47,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:54:47,351 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-12-02 19:54:47,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:54:47,432 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:54:47,446 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_ed6d294e-2c47-46fe-84a5-978cabb1e180/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-12-02 19:54:47,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:54:47,503 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:54:47,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47 WrapperNode [2023-12-02 19:54:47,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:54:47,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:54:47,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:54:47,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:54:47,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,563 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2023-12-02 19:54:47,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:54:47,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:54:47,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:54:47,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:54:47,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:54:47,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:54:47,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:54:47,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:54:47,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (1/1) ... [2023-12-02 19:54:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:54:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:54:47,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:54:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:54:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:54:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:54:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:54:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:54:47,789 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:54:47,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:54:48,053 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:54:48,089 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:54:48,089 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:54:48,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:48 BoogieIcfgContainer [2023-12-02 19:54:48,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:54:48,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:54:48,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:54:48,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:54:48,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:54:47" (1/3) ... [2023-12-02 19:54:48,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60271788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:48, skipping insertion in model container [2023-12-02 19:54:48,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:47" (2/3) ... [2023-12-02 19:54:48,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60271788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:54:48, skipping insertion in model container [2023-12-02 19:54:48,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:48" (3/3) ... [2023-12-02 19:54:48,098 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v2.c [2023-12-02 19:54:48,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:54:48,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:54:48,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:54:48,161 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;@68ba2d61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:54:48,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:54:48,165 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 19:54:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 19:54:48,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:48,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 19:54:48,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:54:48,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:48,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 19:54:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:54:48,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469289540] [2023-12-02 19:54:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:48,187 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 19:54:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:54:48,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:48,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 19:54:48,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:48,497 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 19:54:48,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:54:48,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:54:48,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469289540] [2023-12-02 19:54:48,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469289540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:54:48,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:54:48,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:54:48,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934893099] [2023-12-02 19:54:48,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:54:48,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:54:48,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:54:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:54:48,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:54:48,533 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 19:54:48,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:54:48,602 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 19:54:48,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:54:48,605 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 19:54:48,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:54:48,610 INFO L225 Difference]: With dead ends: 16 [2023-12-02 19:54:48,610 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 19:54:48,613 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 19:54:48,616 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 19:54:48,617 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 19:54:48,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 19:54:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 19:54:48,640 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 19:54:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 19:54:48,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 19:54:48,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:54:48,642 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 19:54:48,642 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 19:54:48,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 19:54:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 19:54:48,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:48,643 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 19:54:48,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:48,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:48,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:54:48,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:48,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 19:54:48,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:54:48,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129847625] [2023-12-02 19:54:48,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:48,848 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 19:54:48,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:54:48,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:48,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:49,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 19:54:49,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:49,588 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 19:54:49,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:50,570 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 19:54:50,570 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:54:50,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129847625] [2023-12-02 19:54:50,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129847625] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:54:50,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [564986593] [2023-12-02 19:54:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:54:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:54:50,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:54:50,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 19:54:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:50,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 19:54:50,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:51,070 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 19:54:51,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:51,885 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 19:54:51,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [564986593] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:54:51,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948937232] [2023-12-02 19:54:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:54:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:54:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:54:51,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:54:51,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 19:54:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:54:52,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 19:54:52,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:52,223 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 19:54:52,223 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:53,195 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 19:54:53,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948937232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:54:53,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:54:53,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 4, 5, 5] total 15 [2023-12-02 19:54:53,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985040596] [2023-12-02 19:54:53,198 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:54:53,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 19:54:53,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:54:53,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 19:54:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-02 19:54:53,201 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 19:54:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:54:53,376 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 19:54:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 19:54:53,377 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 19:54:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:54:53,377 INFO L225 Difference]: With dead ends: 14 [2023-12-02 19:54:53,377 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 19:54:53,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-12-02 19:54:53,380 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:54:53,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:54:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 19:54:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 19:54:53,384 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 19:54:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 19:54:53,384 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 19:54:53,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:54:53,385 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 19:54:53,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 19:54:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 19:54:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 19:54:53,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:54:53,386 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 19:54:53,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 19:54:53,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 19:54:53,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:53,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:53,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:54:53,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:54:53,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 19:54:53,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:54:53,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551950049] [2023-12-02 19:54:53,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 19:54:53,989 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 19:54:53,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:54:53,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:53,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:54:54,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 19:54:54,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:54:54,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 19:54:54,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:54,494 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 19:54:54,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:54:59,051 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 19:54:59,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:54:59,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551950049] [2023-12-02 19:54:59,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551950049] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:54:59,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1334062166] [2023-12-02 19:54:59,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 19:54:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:54:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:54:59,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:54:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 19:54:59,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 19:54:59,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:54:59,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-02 19:54:59,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:54:59,707 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 19:54:59,707 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:55:02,960 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 19:55:02,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1334062166] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:55:02,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39668144] [2023-12-02 19:55:02,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 19:55:02,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:55:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:55:02,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:55:02,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 19:55:03,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 19:55:03,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:55:03,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 19:55:03,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:55:03,416 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 19:55:03,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:55:07,772 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 19:55:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39668144] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:55:07,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:55:07,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 7, 6] total 16 [2023-12-02 19:55:07,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46652943] [2023-12-02 19:55:07,773 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:55:07,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 19:55:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:55:07,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 19:55:07,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2023-12-02 19:55:07,775 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 19:55:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:55:08,078 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-12-02 19:55:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 19:55:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 19:55:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:55:08,079 INFO L225 Difference]: With dead ends: 17 [2023-12-02 19:55:08,079 INFO L226 Difference]: Without dead ends: 15 [2023-12-02 19:55:08,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2023-12-02 19:55:08,081 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:55:08,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 15 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:55:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-02 19:55:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-12-02 19:55:08,084 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 19:55:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-12-02 19:55:08,084 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-12-02 19:55:08,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:55:08,085 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-12-02 19:55:08,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 19:55:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-12-02 19:55:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 19:55:08,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:55:08,086 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-12-02 19:55:08,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 19:55:08,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:55:08,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 19:55:08,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:55:08,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:55:08,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:55:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-12-02 19:55:08,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:55:08,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455435023] [2023-12-02 19:55:08,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:55:08,689 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 19:55:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:55:08,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:55:08,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 19:55:08,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 19:55:08,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:55:08,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-02 19:55:08,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:55:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:55:11,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:55:21,780 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 19:55:21,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:55:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455435023] [2023-12-02 19:55:21,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455435023] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:55:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [627641253] [2023-12-02 19:55:21,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:55:21,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:55:21,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:55:21,782 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:55:21,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 19:55:22,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 19:55:22,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:55:22,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 153 conjunts are in the unsatisfiable core [2023-12-02 19:55:22,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:55:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:55:26,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:55:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:55:39,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [627641253] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:55:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99327721] [2023-12-02 19:55:39,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 19:55:39,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:55:39,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:55:39,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:55:39,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 19:55:39,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 19:55:39,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:55:39,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 166 conjunts are in the unsatisfiable core [2023-12-02 19:55:39,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:55:49,280 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 19:55:49,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:56:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:10,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99327721] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:56:10,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:56:10,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7, 6, 9, 9] total 33 [2023-12-02 19:56:10,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882475874] [2023-12-02 19:56:10,932 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:56:10,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-02 19:56:10,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:56:10,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-02 19:56:10,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=898, Unknown=2, NotChecked=0, Total=1122 [2023-12-02 19:56:10,935 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 34 states, 34 states have (on average 1.8823529411764706) internal successors, (64), 33 states have internal predecessors, (64), 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 19:56:21,460 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 19:56:38,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:56:39,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:56:39,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:39,665 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 19:56:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:56:39,669 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.8823529411764706) internal successors, (64), 33 states have internal predecessors, (64), 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 19:56:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:39,669 INFO L225 Difference]: With dead ends: 14 [2023-12-02 19:56:39,669 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:56:39,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 32 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 41.8s TimeCoverageRelationStatistics Valid=343, Invalid=1057, Unknown=6, NotChecked=0, Total=1406 [2023-12-02 19:56:39,670 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:39,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 0 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-12-02 19:56:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:56:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:56:39,672 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 19:56:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:56:39,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-12-02 19:56:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:39,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:56:39,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.8823529411764706) internal successors, (64), 33 states have internal predecessors, (64), 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 19:56:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:56:39,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:56:39,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:56:39,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 19:56:39,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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)] Forceful destruction successful, exit code 0 [2023-12-02 19:56:40,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 19:56:40,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:56:40,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 20:00:22,218 WARN L293 SmtUtils]: Spent 3.70m on a formula simplification. DAG size of input: 404 DAG size of output: 211 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-02 20:00:22,222 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 20:00:22,222 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-12-02 20:00:22,222 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-12-02 20:00:22,222 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-12-02 20:00:22,224 INFO L895 garLoopResultBuilder]: At program point L77-2(lines 77 226) the Hoare annotation is: (let ((.cse17 (= (_ bv0 8) |ULTIMATE.start_main_~state_27~0#1|)) (.cse18 (= (_ bv0 8) |ULTIMATE.start_main_~state_29~0#1|)) (.cse16 (= (_ bv0 8) |ULTIMATE.start_main_~state_33~0#1|))) (let ((.cse5 (or (and (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse34 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse35 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse34))) |ULTIMATE.start_main_~state_31~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse34) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 (bvneg .cse36)))))))))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse35)) (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse36))))))))) |ULTIMATE.start_main_~state_35~0#1|)))) .cse16) (and (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_64| (_ BitVec 8))) (let ((.cse37 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_64|) (_ bv1 32))))) (and (not (= .cse37 (_ bv0 8))) (= |ULTIMATE.start_main_~state_33~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse37))))) (_ bv1 32))))))) (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse39 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse40 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse38))) |ULTIMATE.start_main_~state_31~0#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 .cse39 (bvneg .cse40)))))) .cse38)))))))) |ULTIMATE.start_main_~state_40~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse39)) (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse40))))))))) |ULTIMATE.start_main_~state_35~0#1|))))))) (.cse3 (let ((.cse22 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_55| (_ BitVec 8))) (let ((.cse33 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_55|) (_ bv1 32))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) .cse33)) |ULTIMATE.start_main_~state_29~0#1|) (not (= (_ bv0 8) .cse33))))))) (or (and (or (and (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse19) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse20) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse21) |ULTIMATE.start_main_~state_25~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse21) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse19))))))))))) |ULTIMATE.start_main_~state_38~0#1|)))) .cse18) (and .cse22 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse25 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)) (.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse23) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse24) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse25) |ULTIMATE.start_main_~state_25~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse25 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 .cse23))))))))))) |ULTIMATE.start_main_~state_38~0#1|)))))) (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_56| (_ BitVec 8))) (let ((.cse26 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_56|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse26))))) |ULTIMATE.start_main_~state_27~0#1|) (not (= .cse26 (_ bv0 8))))))) (and .cse17 (or (and .cse18 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_38~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse27) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse28 (bvneg .cse29))))))))))))) (= ((_ extract 7 0) .cse29) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse28) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse27) |ULTIMATE.start_main_~state_25~0#1|))))) (and .cse22 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse32 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) .cse30) |ULTIMATE.start_main_~state_23~0#1|) (= ((_ extract 7 0) .cse31) |ULTIMATE.start_main_~state_21~0#1|) (= ((_ extract 7 0) .cse32) |ULTIMATE.start_main_~state_25~0#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 .cse31 (bvneg .cse30)))))) .cse32)))))) |ULTIMATE.start_main_~state_38~0#1|)))))))))) (.cse4 (exists ((|v_ULTIMATE.start_main_#t~nondet21#1_64| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_7~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet21#1_64|) (_ bv1 32)))))) (.cse8 (exists ((|v_ULTIMATE.start_main_#t~nondet22#1_49| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_8~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet22#1_49|) (_ bv1 32)))))) (.cse9 (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_65| (_ BitVec 8))) (= |ULTIMATE.start_main_~input_6~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_65|) (_ bv1 32)))))) (.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_17~0#1|)) (.cse13 (= (_ bv0 8) |ULTIMATE.start_main_~state_31~0#1|)) (.cse14 (= (_ bv0 8) |ULTIMATE.start_main_~state_40~0#1|)) (.cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_35~0#1|)) (.cse6 (= (_ bv0 8) |ULTIMATE.start_main_~state_12~0#1|)) (.cse7 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 (exists ((|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_0~0#1|)) (.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|))) (and (= ((_ extract 7 0) (bvand ((_ 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) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse10)) (bvneg ((_ zero_extend 24) ((_ extract 7 0) .cse11)))))))))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse12))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_12~0#1|) (= ((_ extract 7 0) (bvand ((_ 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 .cse10 (bvneg .cse11)))))) .cse12))))))))))) (_ bv1 32))) |ULTIMATE.start_main_~state_10~0#1|)))) .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse4 .cse14 .cse15 .cse6 .cse7 .cse16 .cse8 .cse9) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_21~0#1|) .cse0 .cse1 .cse2 .cse17 .cse13 .cse18 (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) .cse14 .cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_38~0#1|) .cse6 .cse7 .cse16 (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|))))) [2023-12-02 20:00:22,224 INFO L899 garLoopResultBuilder]: For program point L77-3(lines 77 226) no Hoare annotation was computed. [2023-12-02 20:00:22,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 20:00:22,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-12-02 20:00:22,227 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 20:00:22,230 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:00:22,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated [2023-12-02 20:00:22,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-12-02 20:00:22,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-12-02 20:00:22,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0] == 0bv8) && ~state_33~0 == ~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_64), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-12-02 20:00:22,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated [2023-12-02 20:00:22,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-12-02 20:00:22,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~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(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) could not be translated [2023-12-02 20:00:22,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-12-02 20:00:22,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0] == 0bv8) && ~state_33~0 == ~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_64), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated [2023-12-02 20:00:22,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated [2023-12-02 20:00:22,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated [2023-12-02 20:00:22,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated [2023-12-02 20:00:22,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated [2023-12-02 20:00:22,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) could not be translated [2023-12-02 20:00:22,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:00:22 BoogieIcfgContainer [2023-12-02 20:00:22,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:00:22,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:00:22,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:00:22,265 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:00:22,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:48" (3/4) ... [2023-12-02 20:00:22,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:00:22,277 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 20:00:22,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 20:00:22,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 20:00:22,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:00:22,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 20:00:22,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 20:00:22,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:00:22,390 INFO L158 Benchmark]: Toolchain (without parser) took 335251.54ms. Allocated memory was 96.5MB in the beginning and 333.4MB in the end (delta: 237.0MB). Free memory was 72.9MB in the beginning and 141.4MB in the end (delta: -68.5MB). Peak memory consumption was 170.6MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,390 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:00:22,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.82ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 57.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.09ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 54.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,391 INFO L158 Benchmark]: Boogie Preprocessor took 41.11ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,392 INFO L158 Benchmark]: RCFGBuilder took 483.85ms. Allocated memory is still 96.5MB. Free memory was 52.7MB in the beginning and 60.2MB in the end (delta: -7.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,392 INFO L158 Benchmark]: TraceAbstraction took 334171.00ms. Allocated memory was 96.5MB in the beginning and 333.4MB in the end (delta: 237.0MB). Free memory was 59.7MB in the beginning and 148.7MB in the end (delta: -89.0MB). Peak memory consumption was 192.6MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,392 INFO L158 Benchmark]: Witness Printer took 125.22ms. Allocated memory is still 333.4MB. Free memory was 148.7MB in the beginning and 141.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 20:00:22,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.82ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 57.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.09ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 54.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.11ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.85ms. Allocated memory is still 96.5MB. Free memory was 52.7MB in the beginning and 60.2MB in the end (delta: -7.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 334171.00ms. Allocated memory was 96.5MB in the beginning and 333.4MB in the end (delta: 237.0MB). Free memory was 59.7MB in the beginning and 148.7MB in the end (delta: -89.0MB). Peak memory consumption was 192.6MB. Max. memory is 16.1GB. * Witness Printer took 125.22ms. Allocated memory is still 333.4MB. Free memory was 148.7MB in the beginning and 141.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0] == 0bv8) && ~state_33~0 == ~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_64), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~bvand~32(~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(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0]))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_12~0 && ~bvand~32(~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_10~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0] == 0bv8) && ~state_33~0 == ~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_64), 1bv32)[7:0])[7:0])[7:0]), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0] == ~state_31~0 && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0]), ~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0])))[7:0])[7:0])[7:0] == ~state_35~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_56 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0])[7:0]))[7:0] == ~state_27~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_56), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ((~state_38~0 == ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]))[7:0])[7:0])[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_55 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])[7:0] == ~state_29~0 && !(0bv8 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_55), 1bv32)[7:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_0~0#1 : bv8 :: ((~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0] == ~state_23~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_0~0#1)[7:0] == ~state_21~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0] == ~state_25~0) && ~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_43_arg_0~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_38~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_64 : bv8 :: ~input_7~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_64), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet22#1_49 : bv8 :: ~input_8~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet22#1_49), 1bv32)[7:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_65 : bv8 :: ~input_6~0 == ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_65), 1bv32)[7:0]) 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: 334.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 29.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 221.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 6 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 88 SyntacticMatches, 14 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 45.3s 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, 1174 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1314 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 2195 FormulaSimplificationTreeSizeReductionInter, 221.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 78.9s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 165 ConstructedInterpolants, 92 QuantifiedInterpolants, 95396 SizeOfPredicates, 823 NumberOfNonLiveVariables, 2954 ConjunctsInSsa, 848 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 11/144 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: 77]: Loop Invariant Derived loop invariant: ((((((((1 == mask_SORT_1) && (0 == state_10)) && (1 == var_17)) && (0 == state_12)) && (var_9 == 0)) || (((1 == mask_SORT_1) && (1 == var_17)) && (var_9 == 0))) || (((((((((1 == mask_SORT_1) && (0 == state_10)) && (1 == var_17)) && (0 == state_31)) && (0 == state_40)) && (0 == state_35)) && (0 == state_12)) && (var_9 == 0)) && (0 == state_33))) || (((((((((((((((0 == state_21) && (1 == mask_SORT_1)) && (0 == state_10)) && (1 == var_17)) && (0 == state_27)) && (0 == state_31)) && (0 == state_29)) && (0 == state_25)) && (0 == state_40)) && (0 == state_35)) && (0 == state_38)) && (0 == state_12)) && (var_9 == 0)) && (0 == state_33)) && (0 == state_23))) RESULT: Ultimate proved your program to be correct! [2023-12-02 20:00:22,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6d294e-2c47-46fe-84a5-978cabb1e180/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 Writing output log to file Ultimate.log Result: TRUE