./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 effebb003be4bd8a486f634b48315d6ea88e0de9078b4e02abb5c833e26f0e39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:14:42,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:14:42,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 18:14:42,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:14:42,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:14:42,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:14:42,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:14:42,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:14:42,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:14:42,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:14:42,691 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:14:42,692 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:14:42,692 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:14:42,693 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:14:42,693 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:14:42,694 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:14:42,694 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:14:42,695 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:14:42,695 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:14:42,696 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:14:42,696 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:14:42,697 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:14:42,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:14:42,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:14:42,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:14:42,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:14:42,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:14:42,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:14:42,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:14:42,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:14:42,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:14:42,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:14:42,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:14:42,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:14:42,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:14:42,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:14:42,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:14:42,703 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:14:42,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:14:42,704 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> effebb003be4bd8a486f634b48315d6ea88e0de9078b4e02abb5c833e26f0e39 [2023-12-02 18:14:42,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:14:42,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:14:42,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:14:42,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:14:42,956 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:14:42,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c [2023-12-02 18:14:45,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:14:46,210 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:14:46,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c [2023-12-02 18:14:46,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/b58f636ac/e35578ac568d4671adca3e8f80fabf93/FLAGcaca667dc [2023-12-02 18:14:46,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/b58f636ac/e35578ac568d4671adca3e8f80fabf93 [2023-12-02 18:14:46,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:14:46,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:14:46,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:14:46,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:14:46,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:14:46,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:14:46" (1/1) ... [2023-12-02 18:14:46,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d651f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:46, skipping insertion in model container [2023-12-02 18:14:46,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:14:46" (1/1) ... [2023-12-02 18:14:46,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:14:46,723 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c[1245,1258] [2023-12-02 18:14:47,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:14:47,779 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:14:47,791 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c[1245,1258] [2023-12-02 18:14:48,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:14:48,638 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:14:48,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48 WrapperNode [2023-12-02 18:14:48,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:14:48,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:14:48,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:14:48,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:14:48,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:48,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:51,502 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41503 [2023-12-02 18:14:51,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:14:51,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:14:51,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:14:51,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:14:51,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:51,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:52,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:52,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:52,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:52,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:53,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:53,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:53,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:14:53,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:14:53,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:14:53,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:14:53,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (1/1) ... [2023-12-02 18:14:53,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:14:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:14:53,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:14:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:14:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:14:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:14:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:14:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:14:55,608 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:14:55,610 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:15:16,553 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:17:00,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:17:00,022 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:17:00,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:00 BoogieIcfgContainer [2023-12-02 18:17:00,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:17:00,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:17:00,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:17:00,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:17:00,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:14:46" (1/3) ... [2023-12-02 18:17:00,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2b83e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:00, skipping insertion in model container [2023-12-02 18:17:00,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:48" (2/3) ... [2023-12-02 18:17:00,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2b83e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:00, skipping insertion in model container [2023-12-02 18:17:00,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:00" (3/3) ... [2023-12-02 18:17:00,030 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal77.c [2023-12-02 18:17:00,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:17:00,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:17:00,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:17:00,097 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;@783c7441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:17:00,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:17:00,100 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 18:17:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 18:17:00,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:00,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 18:17:00,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:00,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:00,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1614565348, now seen corresponding path program 1 times [2023-12-02 18:17:00,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:17:00,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499517044] [2023-12-02 18:17:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:17:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:00,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:17:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:17:01,666 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:17:01,668 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:17:01,669 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:17:01,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:17:01,675 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:17:01,679 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:17:01,722 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 18:17:01,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:17:01 BoogieIcfgContainer [2023-12-02 18:17:01,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:17:01,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:17:01,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:17:01,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:17:01,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:00" (3/4) ... [2023-12-02 18:17:01,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:17:01,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:17:01,747 INFO L158 Benchmark]: Toolchain (without parser) took 135454.17ms. Allocated memory was 155.2MB in the beginning and 12.6GB in the end (delta: 12.4GB). Free memory was 94.6MB in the beginning and 9.8GB in the end (delta: -9.7GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2023-12-02 18:17:01,748 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:01,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2345.31ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 94.2MB in the beginning and 101.2MB in the end (delta: -7.0MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. [2023-12-02 18:17:01,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 2862.72ms. Allocated memory was 325.1MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 101.2MB in the beginning and 1.0GB in the end (delta: -926.7MB). Peak memory consumption was 549.6MB. Max. memory is 16.1GB. [2023-12-02 18:17:01,750 INFO L158 Benchmark]: Boogie Preprocessor took 2186.12ms. Allocated memory was 1.7GB in the beginning and 5.0GB in the end (delta: 3.3GB). Free memory was 1.0GB in the beginning and 4.1GB in the end (delta: -3.1GB). Peak memory consumption was 287.3MB. Max. memory is 16.1GB. [2023-12-02 18:17:01,751 INFO L158 Benchmark]: RCFGBuilder took 126333.87ms. Allocated memory was 5.0GB in the beginning and 12.6GB in the end (delta: 7.6GB). Free memory was 4.1GB in the beginning and 10.0GB in the end (delta: -6.0GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. [2023-12-02 18:17:01,751 INFO L158 Benchmark]: TraceAbstraction took 1715.89ms. Allocated memory is still 12.6GB. Free memory was 10.0GB in the beginning and 9.8GB in the end (delta: 274.7MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. [2023-12-02 18:17:01,752 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 12.6GB. Free memory is still 9.8GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:17:01,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2345.31ms. Allocated memory was 155.2MB in the beginning and 325.1MB in the end (delta: 169.9MB). Free memory was 94.2MB in the beginning and 101.2MB in the end (delta: -7.0MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2862.72ms. Allocated memory was 325.1MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 101.2MB in the beginning and 1.0GB in the end (delta: -926.7MB). Peak memory consumption was 549.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2186.12ms. Allocated memory was 1.7GB in the beginning and 5.0GB in the end (delta: 3.3GB). Free memory was 1.0GB in the beginning and 4.1GB in the end (delta: -3.1GB). Peak memory consumption was 287.3MB. Max. memory is 16.1GB. * RCFGBuilder took 126333.87ms. Allocated memory was 5.0GB in the beginning and 12.6GB in the end (delta: 7.6GB). Free memory was 4.1GB in the beginning and 10.0GB in the end (delta: -6.0GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. * TraceAbstraction took 1715.89ms. Allocated memory is still 12.6GB. Free memory was 10.0GB in the beginning and 9.8GB in the end (delta: 274.7MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 12.6GB. Free memory is still 9.8GB. 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 bitwiseOr at line 539, overapproximation of bitwiseAnd at line 408. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L38] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L39] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L41] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 3); [L42] const SORT_29 msb_SORT_29 = (SORT_29)1 << (3 - 1); [L44] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 5); [L45] const SORT_36 msb_SORT_36 = (SORT_36)1 << (5 - 1); [L47] const SORT_50 mask_SORT_50 = (SORT_50)-1 >> (sizeof(SORT_50) * 8 - 6); [L48] const SORT_50 msb_SORT_50 = (SORT_50)1 << (6 - 1); [L50] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 7); [L51] const SORT_59 msb_SORT_59 = (SORT_59)1 << (7 - 1); [L53] const SORT_264 mask_SORT_264 = (SORT_264)-1 >> (sizeof(SORT_264) * 8 - 9); [L54] const SORT_264 msb_SORT_264 = (SORT_264)1 << (9 - 1); [L56] const SORT_266 mask_SORT_266 = (SORT_266)-1 >> (sizeof(SORT_266) * 8 - 10); [L57] const SORT_266 msb_SORT_266 = (SORT_266)1 << (10 - 1); [L59] const SORT_268 mask_SORT_268 = (SORT_268)-1 >> (sizeof(SORT_268) * 8 - 11); [L60] const SORT_268 msb_SORT_268 = (SORT_268)1 << (11 - 1); [L62] const SORT_270 mask_SORT_270 = (SORT_270)-1 >> (sizeof(SORT_270) * 8 - 12); [L63] const SORT_270 msb_SORT_270 = (SORT_270)1 << (12 - 1); [L65] const SORT_605 mask_SORT_605 = (SORT_605)-1 >> (sizeof(SORT_605) * 8 - 14); [L66] const SORT_605 msb_SORT_605 = (SORT_605)1 << (14 - 1); [L68] const SORT_607 mask_SORT_607 = (SORT_607)-1 >> (sizeof(SORT_607) * 8 - 16); [L69] const SORT_607 msb_SORT_607 = (SORT_607)1 << (16 - 1); [L71] const SORT_609 mask_SORT_609 = (SORT_609)-1 >> (sizeof(SORT_609) * 8 - 22); [L72] const SORT_609 msb_SORT_609 = (SORT_609)1 << (22 - 1); [L74] const SORT_611 mask_SORT_611 = (SORT_611)-1 >> (sizeof(SORT_611) * 8 - 24); [L75] const SORT_611 msb_SORT_611 = (SORT_611)1 << (24 - 1); [L77] const SORT_613 mask_SORT_613 = (SORT_613)-1 >> (sizeof(SORT_613) * 8 - 30); [L78] const SORT_613 msb_SORT_613 = (SORT_613)1 << (30 - 1); [L80] const SORT_652 mask_SORT_652 = (SORT_652)-1 >> (sizeof(SORT_652) * 8 - 33); [L81] const SORT_652 msb_SORT_652 = (SORT_652)1 << (33 - 1); [L83] const SORT_809 mask_SORT_809 = (SORT_809)-1 >> (sizeof(SORT_809) * 8 - 13); [L84] const SORT_809 msb_SORT_809 = (SORT_809)1 << (13 - 1); [L86] const SORT_812 mask_SORT_812 = (SORT_812)-1 >> (sizeof(SORT_812) * 8 - 15); [L87] const SORT_812 msb_SORT_812 = (SORT_812)1 << (15 - 1); [L89] const SORT_815 mask_SORT_815 = (SORT_815)-1 >> (sizeof(SORT_815) * 8 - 17); [L90] const SORT_815 msb_SORT_815 = (SORT_815)1 << (17 - 1); [L92] const SORT_817 mask_SORT_817 = (SORT_817)-1 >> (sizeof(SORT_817) * 8 - 18); [L93] const SORT_817 msb_SORT_817 = (SORT_817)1 << (18 - 1); [L95] const SORT_908 mask_SORT_908 = (SORT_908)-1 >> (sizeof(SORT_908) * 8 - 19); [L96] const SORT_908 msb_SORT_908 = (SORT_908)1 << (19 - 1); [L98] const SORT_910 mask_SORT_910 = (SORT_910)-1 >> (sizeof(SORT_910) * 8 - 20); [L99] const SORT_910 msb_SORT_910 = (SORT_910)1 << (20 - 1); [L101] const SORT_912 mask_SORT_912 = (SORT_912)-1 >> (sizeof(SORT_912) * 8 - 21); [L102] const SORT_912 msb_SORT_912 = (SORT_912)1 << (21 - 1); [L104] const SORT_1129 mask_SORT_1129 = (SORT_1129)-1 >> (sizeof(SORT_1129) * 8 - 23); [L105] const SORT_1129 msb_SORT_1129 = (SORT_1129)1 << (23 - 1); [L107] const SORT_1277 mask_SORT_1277 = (SORT_1277)-1 >> (sizeof(SORT_1277) * 8 - 26); [L108] const SORT_1277 msb_SORT_1277 = (SORT_1277)1 << (26 - 1); [L110] const SORT_1319 mask_SORT_1319 = (SORT_1319)-1 >> (sizeof(SORT_1319) * 8 - 25); [L111] const SORT_1319 msb_SORT_1319 = (SORT_1319)1 << (25 - 1); [L113] const SORT_1324 mask_SORT_1324 = (SORT_1324)-1 >> (sizeof(SORT_1324) * 8 - 27); [L114] const SORT_1324 msb_SORT_1324 = (SORT_1324)1 << (27 - 1); [L116] const SORT_1327 mask_SORT_1327 = (SORT_1327)-1 >> (sizeof(SORT_1327) * 8 - 28); [L117] const SORT_1327 msb_SORT_1327 = (SORT_1327)1 << (28 - 1); [L119] const SORT_1330 mask_SORT_1330 = (SORT_1330)-1 >> (sizeof(SORT_1330) * 8 - 29); [L120] const SORT_1330 msb_SORT_1330 = (SORT_1330)1 << (29 - 1); [L122] const SORT_1335 mask_SORT_1335 = (SORT_1335)-1 >> (sizeof(SORT_1335) * 8 - 31); [L123] const SORT_1335 msb_SORT_1335 = (SORT_1335)1 << (31 - 1); [L125] const SORT_3042 mask_SORT_3042 = (SORT_3042)-1 >> (sizeof(SORT_3042) * 8 - 34); [L126] const SORT_3042 msb_SORT_3042 = (SORT_3042)1 << (34 - 1); [L128] const SORT_3 var_103 = 0; [L129] const SORT_6 var_107 = 0; [L130] const SORT_3 var_122 = 1; [L131] const SORT_1 var_129 = 0; [L132] const SORT_1 var_137 = 3; [L133] const SORT_1 var_139 = 2; [L134] const SORT_1 var_141 = 1; [L135] const SORT_29 var_145 = 1; [L136] const SORT_29 var_148 = 3; [L137] const SORT_29 var_151 = 2; [L138] const SORT_29 var_155 = 5; [L139] const SORT_29 var_158 = 7; [L140] const SORT_29 var_161 = 6; [L141] const SORT_29 var_165 = 4; [L142] const SORT_9 var_191 = 0; [L143] const SORT_36 var_212 = 11; [L144] const SORT_36 var_214 = 10; [L145] const SORT_36 var_216 = 2; [L146] const SORT_36 var_218 = 9; [L147] const SORT_36 var_233 = 21; [L148] const SORT_36 var_235 = 20; [L149] const SORT_36 var_237 = 19; [L150] const SORT_36 var_239 = 18; [L151] const SORT_36 var_241 = 17; [L152] const SORT_36 var_243 = 16; [L153] const SORT_36 var_245 = 15; [L154] const SORT_36 var_247 = 14; [L155] const SORT_36 var_249 = 8; [L156] const SORT_36 var_251 = 6; [L157] const SORT_36 var_253 = 3; [L158] const SORT_36 var_255 = 5; [L159] const SORT_36 var_273 = 4; [L160] const SORT_36 var_275 = 1; [L161] const SORT_36 var_285 = 7; [L162] const SORT_36 var_303 = 13; [L163] const SORT_36 var_311 = 12; [L164] const SORT_36 var_332 = 23; [L165] const SORT_36 var_335 = 22; [L166] const SORT_36 var_344 = 25; [L167] const SORT_36 var_347 = 27; [L168] const SORT_36 var_350 = 26; [L169] const SORT_36 var_354 = 29; [L170] const SORT_36 var_357 = 31; [L171] const SORT_36 var_360 = 30; [L172] const SORT_36 var_364 = 28; [L173] const SORT_36 var_370 = 24; [L174] const SORT_50 var_393 = 0; [L175] const SORT_9 var_469 = 3; [L176] const SORT_29 var_511 = 0; [L177] const SORT_11 var_534 = 0; [L178] const SORT_652 var_653 = 0; [L179] const SORT_9 var_822 = 2; [L180] const SORT_9 var_825 = 1; [L181] const SORT_6 var_1269 = 8; [L182] const SORT_1277 var_1278 = 0; [L183] const SORT_9 var_1364 = 255; [L184] const SORT_50 var_1368 = 1; [L185] const SORT_36 var_2395 = 0; [L186] const SORT_6 var_2422 = 1; [L187] const SORT_6 var_2425 = 3; [L188] const SORT_6 var_2428 = 2; [L189] const SORT_6 var_2432 = 5; [L190] const SORT_6 var_2435 = 7; [L191] const SORT_6 var_2438 = 6; [L192] const SORT_6 var_2442 = 4; [L193] const SORT_6 var_2448 = 9; [L194] const SORT_6 var_2451 = 11; [L195] const SORT_6 var_2454 = 10; [L196] const SORT_6 var_2458 = 13; [L197] const SORT_6 var_2461 = 15; [L198] const SORT_6 var_2464 = 14; [L199] const SORT_6 var_2468 = 12; [L200] const SORT_1327 var_2654 = 0; [L201] const SORT_3042 var_3044 = 0; [L202] const SORT_59 var_3067 = 0; [L203] const SORT_270 var_3136 = 0; [L205] SORT_1 input_2; [L206] SORT_3 input_4; [L207] SORT_3 input_5; [L208] SORT_6 input_7; [L209] SORT_3 input_8; [L210] SORT_9 input_10; [L211] SORT_11 input_12; [L212] SORT_1 input_13; [L213] SORT_9 input_14; [L214] SORT_9 input_15; [L215] SORT_9 input_16; [L216] SORT_1 input_17; [L217] SORT_9 input_18; [L218] SORT_9 input_19; [L219] SORT_9 input_20; [L220] SORT_3 input_21; [L221] SORT_3 input_22; [L222] SORT_3 input_23; [L223] SORT_3 input_24; [L224] SORT_3 input_25; [L225] SORT_3 input_26; [L226] SORT_3 input_27; [L227] SORT_1 input_28; [L228] SORT_29 input_30; [L229] SORT_1 input_31; [L230] SORT_3 input_32; [L231] SORT_3 input_33; [L232] SORT_3 input_34; [L233] SORT_3 input_35; [L234] SORT_36 input_37; [L235] SORT_1 input_38; [L236] SORT_9 input_39; [L237] SORT_11 input_40; [L238] SORT_29 input_41; [L239] SORT_9 input_42; [L240] SORT_3 input_43; [L241] SORT_1 input_44; [L242] SORT_36 input_45; [L243] SORT_3 input_46; [L244] SORT_1 input_47; [L245] SORT_3 input_48; [L246] SORT_1 input_49; [L247] SORT_50 input_51; [L248] SORT_1 input_52; [L249] SORT_50 input_53; [L250] SORT_1 input_54; [L251] SORT_50 input_55; [L252] SORT_1 input_56; [L253] SORT_50 input_57; [L254] SORT_3 input_58; [L255] SORT_59 input_60; [L256] SORT_3 input_61; [L257] SORT_6 input_62; [L258] SORT_1 input_63; [L259] SORT_3 input_64; [L260] SORT_36 input_65; [L261] SORT_1 input_66; [L262] SORT_3 input_67; [L263] SORT_9 input_68; [L264] SORT_3 input_69; [L265] SORT_3 input_70; [L266] SORT_3 input_71; [L267] SORT_3 input_72; [L268] SORT_3 input_73; [L269] SORT_59 input_74; [L270] SORT_3 input_75; [L271] SORT_9 input_76; [L272] SORT_11 input_77; [L273] SORT_50 input_78; [L274] SORT_1 input_79; [L275] SORT_50 input_80; [L276] SORT_1 input_81; [L277] SORT_50 input_82; [L278] SORT_1 input_83; [L279] SORT_50 input_84; [L280] SORT_1 input_85; [L281] SORT_29 input_86; [L282] SORT_9 input_87; [L283] SORT_1 input_88; [L284] SORT_9 input_89; [L285] SORT_3 input_90; [L286] SORT_6 input_91; [L287] SORT_6 input_92; [L288] SORT_36 input_93; [L289] SORT_36 input_94; [L290] SORT_36 input_95; [L291] SORT_3 input_96; [L292] SORT_3 input_97; [L293] SORT_1 input_98; [L294] SORT_1 input_99; [L295] SORT_1 input_100; [L296] SORT_1 input_101; [L297] SORT_1 input_102; [L299] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L299] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L300] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L300] SORT_6 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L301] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L301] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L302] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L302] SORT_6 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L303] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L303] SORT_3 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L304] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L304] SORT_1 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L305] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L305] SORT_9 state_192 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L306] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L306] SORT_1 state_417 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L307] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L307] SORT_9 state_499 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L308] EXPR __VERIFIER_nondet_uchar() & mask_SORT_29 [L308] SORT_29 state_512 = __VERIFIER_nondet_uchar() & mask_SORT_29; [L309] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L309] SORT_11 state_535 = __VERIFIER_nondet_uint() & mask_SORT_11; [L310] EXPR __VERIFIER_nondet_uchar() & mask_SORT_50 [L310] SORT_50 state_580 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L311] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L311] SORT_1 state_583 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L312] EXPR __VERIFIER_nondet_uchar() & mask_SORT_50 [L312] SORT_50 state_586 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L313] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L313] SORT_1 state_589 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L314] EXPR __VERIFIER_nondet_uchar() & mask_SORT_50 [L314] SORT_50 state_592 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L315] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L315] SORT_1 state_595 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L316] EXPR __VERIFIER_nondet_uchar() & mask_SORT_50 [L316] SORT_50 state_598 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L317] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L317] SORT_1 state_601 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L318] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L318] SORT_9 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L319] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L319] SORT_3 state_649 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L320] EXPR __VERIFIER_nondet_uchar() & mask_SORT_36 [L320] SORT_36 state_3051 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L321] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L321] SORT_1 state_3055 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L322] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L322] SORT_3 state_3064 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L323] EXPR __VERIFIER_nondet_uchar() & mask_SORT_59 [L323] SORT_59 state_3068 = __VERIFIER_nondet_uchar() & mask_SORT_59; [L324] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L324] SORT_3 state_3081 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L325] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L325] SORT_3 state_3084 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L326] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L326] SORT_1 state_3095 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L327] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L327] SORT_3 state_3099 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L328] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L328] SORT_1 state_3102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L329] EXPR __VERIFIER_nondet_uchar() & mask_SORT_36 [L329] SORT_36 state_3114 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L330] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L330] SORT_3 state_3120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L331] EXPR __VERIFIER_nondet_uchar() & mask_SORT_36 [L331] SORT_36 state_3189 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L332] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L332] SORT_3 state_3192 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L333] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L333] SORT_1 state_3195 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L335] SORT_3 init_105_arg_1 = var_103; [L336] state_104 = init_105_arg_1 [L337] SORT_6 init_109_arg_1 = var_107; [L338] state_108 = init_109_arg_1 [L339] SORT_3 init_111_arg_1 = var_103; [L340] state_110 = init_111_arg_1 [L341] SORT_6 init_115_arg_1 = var_107; [L342] state_114 = init_115_arg_1 [L343] SORT_3 init_127_arg_1 = var_103; [L344] state_126 = init_127_arg_1 [L345] SORT_1 init_131_arg_1 = var_129; [L346] state_130 = init_131_arg_1 [L347] SORT_9 init_193_arg_1 = var_191; [L348] state_192 = init_193_arg_1 [L349] SORT_1 init_418_arg_1 = var_129; [L350] state_417 = init_418_arg_1 [L351] SORT_9 init_500_arg_1 = var_191; [L352] state_499 = init_500_arg_1 [L353] SORT_29 init_513_arg_1 = var_511; [L354] state_512 = init_513_arg_1 [L355] SORT_11 init_536_arg_1 = var_534; [L356] state_535 = init_536_arg_1 [L357] SORT_50 init_581_arg_1 = var_393; [L358] state_580 = init_581_arg_1 [L359] SORT_1 init_584_arg_1 = var_129; [L360] state_583 = init_584_arg_1 [L361] SORT_50 init_587_arg_1 = var_393; [L362] state_586 = init_587_arg_1 [L363] SORT_1 init_590_arg_1 = var_129; [L364] state_589 = init_590_arg_1 [L365] SORT_50 init_593_arg_1 = var_393; [L366] state_592 = init_593_arg_1 [L367] SORT_1 init_596_arg_1 = var_129; [L368] state_595 = init_596_arg_1 [L369] SORT_50 init_599_arg_1 = var_393; [L370] state_598 = init_599_arg_1 [L371] SORT_1 init_602_arg_1 = var_129; [L372] state_601 = init_602_arg_1 [L373] SORT_9 init_632_arg_1 = var_191; [L374] state_631 = init_632_arg_1 [L375] SORT_3 init_650_arg_1 = var_103; [L376] state_649 = init_650_arg_1 [L377] SORT_36 init_3052_arg_1 = var_2395; [L378] state_3051 = init_3052_arg_1 [L379] SORT_1 init_3056_arg_1 = var_129; [L380] state_3055 = init_3056_arg_1 [L381] SORT_3 init_3065_arg_1 = var_103; [L382] state_3064 = init_3065_arg_1 [L383] SORT_59 init_3069_arg_1 = var_3067; [L384] state_3068 = init_3069_arg_1 [L385] SORT_3 init_3082_arg_1 = var_103; [L386] state_3081 = init_3082_arg_1 [L387] SORT_3 init_3085_arg_1 = var_103; [L388] state_3084 = init_3085_arg_1 [L389] SORT_1 init_3096_arg_1 = var_129; [L390] state_3095 = init_3096_arg_1 [L391] SORT_3 init_3100_arg_1 = var_103; [L392] state_3099 = init_3100_arg_1 [L393] SORT_1 init_3103_arg_1 = var_129; [L394] state_3102 = init_3103_arg_1 [L395] SORT_36 init_3115_arg_1 = var_2395; [L396] state_3114 = init_3115_arg_1 [L397] SORT_3 init_3121_arg_1 = var_103; [L398] state_3120 = init_3121_arg_1 [L399] SORT_36 init_3190_arg_1 = var_2395; [L400] state_3189 = init_3190_arg_1 [L401] SORT_3 init_3193_arg_1 = var_103; [L402] state_3192 = init_3193_arg_1 [L403] SORT_1 init_3196_arg_1 = var_129; [L404] state_3195 = init_3196_arg_1 VAL [init_105_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_127_arg_1=0, init_131_arg_1=0, init_193_arg_1=0, init_3052_arg_1=0, init_3056_arg_1=0, init_3065_arg_1=0, init_3069_arg_1=0, init_3082_arg_1=0, init_3085_arg_1=0, init_3096_arg_1=0, init_3100_arg_1=0, init_3103_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_3190_arg_1=0, init_3193_arg_1=0, init_3196_arg_1=0, init_418_arg_1=0, init_500_arg_1=0, init_513_arg_1=0, init_536_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_587_arg_1=0, init_590_arg_1=0, init_593_arg_1=0, init_596_arg_1=0, init_599_arg_1=0, init_602_arg_1=0, init_632_arg_1=0, init_650_arg_1=0, mask_SORT_1129=8388607, mask_SORT_11=4294967295, mask_SORT_1277=67108863, mask_SORT_1319=33554431, mask_SORT_1324=134217727, mask_SORT_1327=268435455, mask_SORT_1330=536870911, mask_SORT_1335=2147483647, mask_SORT_1=3, mask_SORT_264=511, mask_SORT_266=1023, mask_SORT_268=2047, mask_SORT_270=4095, mask_SORT_29=7, mask_SORT_3042=17179869183, mask_SORT_36=31, mask_SORT_3=1, mask_SORT_50=63, mask_SORT_59=127, mask_SORT_605=16383, mask_SORT_607=65535, mask_SORT_609=4194303, mask_SORT_611=16777215, mask_SORT_613=1073741823, mask_SORT_652=8589934591, mask_SORT_6=15, mask_SORT_809=8191, mask_SORT_812=32767, mask_SORT_815=131071, mask_SORT_817=262143, mask_SORT_908=524287, mask_SORT_910=1048575, mask_SORT_912=2097151, mask_SORT_9=255, msb_SORT_1129=4194304, msb_SORT_11=2147483648, msb_SORT_1277=33554432, msb_SORT_1319=16777216, msb_SORT_1324=67108864, msb_SORT_1327=134217728, msb_SORT_1330=268435456, msb_SORT_1335=1073741824, msb_SORT_1=2, msb_SORT_264=256, msb_SORT_266=512, msb_SORT_268=1024, msb_SORT_270=2048, msb_SORT_29=4, msb_SORT_3042=8589934592, msb_SORT_36=16, msb_SORT_3=1, msb_SORT_50=32, msb_SORT_59=64, msb_SORT_605=8192, msb_SORT_607=32768, msb_SORT_609=2097152, msb_SORT_611=8388608, msb_SORT_613=536870912, msb_SORT_652=4294967296, msb_SORT_6=8, msb_SORT_809=4096, msb_SORT_812=16384, msb_SORT_815=65536, msb_SORT_817=131072, msb_SORT_908=262144, msb_SORT_910=524288, msb_SORT_912=1048576, msb_SORT_9=128, state_104=0, state_108=0, state_110=0, state_114=0, state_126=0, state_130=0, state_192=0, state_3051=0, state_3055=0, state_3064=0, state_3068=0, state_3081=0, state_3084=0, state_3095=0, state_3099=0, state_3102=0, state_3114=0, state_3120=0, state_3189=0, state_3192=0, state_3195=0, state_417=0, state_499=0, state_512=0, state_535=0, state_580=0, state_583=0, state_586=0, state_589=0, state_592=0, state_595=0, state_598=0, state_601=0, state_631=0, state_649=0, var_103=0, var_107=0, var_122=1, var_1269=8, var_1278=0, var_129=0, var_1364=255, var_1368=1, var_137=3, var_139=2, var_141=1, var_145=1, var_148=3, var_151=2, var_155=5, var_158=7, var_161=6, var_165=4, var_191=0, var_212=11, var_214=10, var_216=2, var_218=9, var_233=21, var_235=20, var_237=19, var_2395=0, var_239=18, var_241=17, var_2422=1, var_2425=3, var_2428=2, var_2432=5, var_2435=7, var_2438=6, var_243=16, var_2442=4, var_2448=9, var_2451=11, var_2454=10, var_2458=13, var_245=15, var_2461=15, var_2464=14, var_2468=12, var_247=14, var_249=8, var_251=6, var_253=3, var_255=5, var_2654=0, var_273=4, var_275=1, var_285=7, var_303=13, var_3044=0, var_3067=0, var_311=12, var_3136=0, var_332=23, var_335=22, var_344=25, var_347=27, var_350=26, var_354=29, var_357=31, var_360=30, var_364=28, var_370=24, var_393=0, var_469=3, var_511=0, var_534=0, var_653=0, var_822=2, var_825=1] [L407] input_2 = __VERIFIER_nondet_uchar() [L408] EXPR input_2 & mask_SORT_1 [L408] input_2 = input_2 & mask_SORT_1 [L409] input_4 = __VERIFIER_nondet_uchar() [L410] input_5 = __VERIFIER_nondet_uchar() [L411] EXPR input_5 & mask_SORT_3 [L411] input_5 = input_5 & mask_SORT_3 [L412] input_7 = __VERIFIER_nondet_uchar() [L413] EXPR input_7 & mask_SORT_6 [L413] input_7 = input_7 & mask_SORT_6 [L414] input_8 = __VERIFIER_nondet_uchar() [L415] EXPR input_8 & mask_SORT_3 [L415] input_8 = input_8 & mask_SORT_3 [L416] input_10 = __VERIFIER_nondet_uchar() [L417] input_12 = __VERIFIER_nondet_uint() [L418] input_13 = __VERIFIER_nondet_uchar() [L419] EXPR input_13 & mask_SORT_1 [L419] input_13 = input_13 & mask_SORT_1 [L420] input_14 = __VERIFIER_nondet_uchar() [L421] input_15 = __VERIFIER_nondet_uchar() [L422] input_16 = __VERIFIER_nondet_uchar() [L423] input_17 = __VERIFIER_nondet_uchar() [L424] EXPR input_17 & mask_SORT_1 [L424] input_17 = input_17 & mask_SORT_1 [L425] input_18 = __VERIFIER_nondet_uchar() [L426] input_19 = __VERIFIER_nondet_uchar() [L427] input_20 = __VERIFIER_nondet_uchar() [L428] input_21 = __VERIFIER_nondet_uchar() [L429] EXPR input_21 & mask_SORT_3 [L429] input_21 = input_21 & mask_SORT_3 [L430] input_22 = __VERIFIER_nondet_uchar() [L431] EXPR input_22 & mask_SORT_3 [L431] input_22 = input_22 & mask_SORT_3 [L432] input_23 = __VERIFIER_nondet_uchar() [L433] input_24 = __VERIFIER_nondet_uchar() [L434] input_25 = __VERIFIER_nondet_uchar() [L435] input_26 = __VERIFIER_nondet_uchar() [L436] EXPR input_26 & mask_SORT_3 [L436] input_26 = input_26 & mask_SORT_3 [L437] input_27 = __VERIFIER_nondet_uchar() [L438] EXPR input_27 & mask_SORT_3 [L438] input_27 = input_27 & mask_SORT_3 [L439] input_28 = __VERIFIER_nondet_uchar() [L440] EXPR input_28 & mask_SORT_1 [L440] input_28 = input_28 & mask_SORT_1 [L441] input_30 = __VERIFIER_nondet_uchar() [L442] EXPR input_30 & mask_SORT_29 [L442] input_30 = input_30 & mask_SORT_29 [L443] input_31 = __VERIFIER_nondet_uchar() [L444] EXPR input_31 & mask_SORT_1 [L444] input_31 = input_31 & mask_SORT_1 [L445] input_32 = __VERIFIER_nondet_uchar() [L446] EXPR input_32 & mask_SORT_3 [L446] input_32 = input_32 & mask_SORT_3 [L447] input_33 = __VERIFIER_nondet_uchar() [L448] input_34 = __VERIFIER_nondet_uchar() [L449] input_35 = __VERIFIER_nondet_uchar() [L450] EXPR input_35 & mask_SORT_3 [L450] input_35 = input_35 & mask_SORT_3 [L451] input_37 = __VERIFIER_nondet_uchar() [L452] EXPR input_37 & mask_SORT_36 [L452] input_37 = input_37 & mask_SORT_36 [L453] input_38 = __VERIFIER_nondet_uchar() [L454] input_39 = __VERIFIER_nondet_uchar() [L455] input_40 = __VERIFIER_nondet_uint() [L456] input_41 = __VERIFIER_nondet_uchar() [L457] input_42 = __VERIFIER_nondet_uchar() [L458] input_43 = __VERIFIER_nondet_uchar() [L459] input_44 = __VERIFIER_nondet_uchar() [L460] input_45 = __VERIFIER_nondet_uchar() [L461] input_46 = __VERIFIER_nondet_uchar() [L462] input_47 = __VERIFIER_nondet_uchar() [L463] input_48 = __VERIFIER_nondet_uchar() [L464] input_49 = __VERIFIER_nondet_uchar() [L465] input_51 = __VERIFIER_nondet_uchar() [L466] input_52 = __VERIFIER_nondet_uchar() [L467] input_53 = __VERIFIER_nondet_uchar() [L468] input_54 = __VERIFIER_nondet_uchar() [L469] input_55 = __VERIFIER_nondet_uchar() [L470] input_56 = __VERIFIER_nondet_uchar() [L471] input_57 = __VERIFIER_nondet_uchar() [L472] input_58 = __VERIFIER_nondet_uchar() [L473] input_60 = __VERIFIER_nondet_uchar() [L474] input_61 = __VERIFIER_nondet_uchar() [L475] input_62 = __VERIFIER_nondet_uchar() [L476] input_63 = __VERIFIER_nondet_uchar() [L477] input_64 = __VERIFIER_nondet_uchar() [L478] input_65 = __VERIFIER_nondet_uchar() [L479] input_66 = __VERIFIER_nondet_uchar() [L480] input_67 = __VERIFIER_nondet_uchar() [L481] input_68 = __VERIFIER_nondet_uchar() [L482] input_69 = __VERIFIER_nondet_uchar() [L483] input_70 = __VERIFIER_nondet_uchar() [L484] input_71 = __VERIFIER_nondet_uchar() [L485] input_72 = __VERIFIER_nondet_uchar() [L486] input_73 = __VERIFIER_nondet_uchar() [L487] input_74 = __VERIFIER_nondet_uchar() [L488] input_75 = __VERIFIER_nondet_uchar() [L489] input_76 = __VERIFIER_nondet_uchar() [L490] input_77 = __VERIFIER_nondet_uint() [L491] input_78 = __VERIFIER_nondet_uchar() [L492] input_79 = __VERIFIER_nondet_uchar() [L493] input_80 = __VERIFIER_nondet_uchar() [L494] input_81 = __VERIFIER_nondet_uchar() [L495] input_82 = __VERIFIER_nondet_uchar() [L496] input_83 = __VERIFIER_nondet_uchar() [L497] input_84 = __VERIFIER_nondet_uchar() [L498] input_85 = __VERIFIER_nondet_uchar() [L499] input_86 = __VERIFIER_nondet_uchar() [L500] input_87 = __VERIFIER_nondet_uchar() [L501] input_88 = __VERIFIER_nondet_uchar() [L502] input_89 = __VERIFIER_nondet_uchar() [L503] input_90 = __VERIFIER_nondet_uchar() [L504] input_91 = __VERIFIER_nondet_uchar() [L505] input_92 = __VERIFIER_nondet_uchar() [L506] input_93 = __VERIFIER_nondet_uchar() [L507] input_94 = __VERIFIER_nondet_uchar() [L508] input_95 = __VERIFIER_nondet_uchar() [L509] input_96 = __VERIFIER_nondet_uchar() [L510] input_97 = __VERIFIER_nondet_uchar() [L511] input_98 = __VERIFIER_nondet_uchar() [L512] input_99 = __VERIFIER_nondet_uchar() [L513] input_100 = __VERIFIER_nondet_uchar() [L514] input_101 = __VERIFIER_nondet_uchar() [L515] input_102 = __VERIFIER_nondet_uchar() [L518] SORT_3 var_106_arg_0 = state_104; [L519] SORT_3 var_106 = ~var_106_arg_0; [L520] SORT_3 var_112_arg_0 = state_110; [L521] SORT_6 var_112_arg_1 = state_108; [L522] SORT_6 var_112_arg_2 = input_62; [L523] SORT_6 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L524] SORT_6 var_113_arg_0 = var_112; [L525] SORT_3 var_113 = var_113_arg_0 >> 0; [L526] EXPR var_113 & mask_SORT_3 [L526] var_113 = var_113 & mask_SORT_3 [L527] SORT_3 var_116_arg_0 = state_110; [L528] SORT_6 var_116_arg_1 = state_114; [L529] SORT_6 var_116_arg_2 = input_62; [L530] SORT_6 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L531] SORT_6 var_117_arg_0 = var_116; [L532] SORT_3 var_117 = var_117_arg_0 >> 0; [L533] EXPR var_117 & mask_SORT_3 [L533] var_117 = var_117 & mask_SORT_3 [L534] SORT_3 var_118_arg_0 = var_113; [L535] SORT_3 var_118_arg_1 = var_117; [L536] SORT_3 var_118 = var_118_arg_0 == var_118_arg_1; [L537] SORT_3 var_119_arg_0 = var_106; [L538] SORT_3 var_119_arg_1 = var_118; [L539] EXPR var_119_arg_0 | var_119_arg_1 [L539] SORT_3 var_119 = var_119_arg_0 | var_119_arg_1; [L540] SORT_3 var_123_arg_0 = var_119; [L541] SORT_3 var_123 = ~var_123_arg_0; [L542] SORT_3 var_124_arg_0 = var_122; [L543] SORT_3 var_124_arg_1 = var_123; [L544] EXPR var_124_arg_0 & var_124_arg_1 [L544] SORT_3 var_124 = var_124_arg_0 & var_124_arg_1; [L545] EXPR var_124 & mask_SORT_3 [L545] var_124 = var_124 & mask_SORT_3 [L546] SORT_3 bad_125_arg_0 = var_124; [L547] CALL __VERIFIER_assert(!(bad_125_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: 1.6s, 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: 0.1s SsaConstructionTime, 0.5s 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 18:17:01,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 effebb003be4bd8a486f634b48315d6ea88e0de9078b4e02abb5c833e26f0e39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:17:04,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:17:04,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 18:17:04,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:17:04,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:17:04,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:17:04,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:17:04,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:17:04,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:17:04,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:17:04,397 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:17:04,397 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:17:04,398 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:17:04,398 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:17:04,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:17:04,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:17:04,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:17:04,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:17:04,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:17:04,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:17:04,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:17:04,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:17:04,404 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:17:04,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:17:04,405 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:17:04,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:17:04,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:17:04,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:17:04,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:17:04,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:17:04,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:17:04,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:04,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:17:04,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:17:04,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:17:04,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:17:04,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:17:04,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:17:04,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:17:04,410 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:17:04,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:17:04,411 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> effebb003be4bd8a486f634b48315d6ea88e0de9078b4e02abb5c833e26f0e39 [2023-12-02 18:17:04,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:17:04,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:17:04,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:17:04,715 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:17:04,715 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:17:04,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c [2023-12-02 18:17:07,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:17:07,978 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:17:07,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c [2023-12-02 18:17:08,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/4060dea3b/6a84109eb4124f499b7a270c726a9c36/FLAG71e7444da [2023-12-02 18:17:08,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/data/4060dea3b/6a84109eb4124f499b7a270c726a9c36 [2023-12-02 18:17:08,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:17:08,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:17:08,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:08,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:17:08,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:17:08,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:08" (1/1) ... [2023-12-02 18:17:08,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5262dddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:08, skipping insertion in model container [2023-12-02 18:17:08,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:08" (1/1) ... [2023-12-02 18:17:08,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:17:08,446 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c[1245,1258] [2023-12-02 18:17:09,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:09,311 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:17:09,325 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_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal77.c[1245,1258] [2023-12-02 18:17:10,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:17:10,041 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:17:10,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10 WrapperNode [2023-12-02 18:17:10,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:17:10,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:10,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:17:10,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:17:10,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,498 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11272 [2023-12-02 18:17:10,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:17:10,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:17:10,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:17:10,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:17:10,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:17:10,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:17:10,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:17:10,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:17:10,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (1/1) ... [2023-12-02 18:17:10,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:17:10,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:17:10,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:17:10,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:17:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:17:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:17:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:17:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:17:12,366 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:17:12,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:18:07,746 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:18:08,202 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:18:08,202 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:18:08,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:08 BoogieIcfgContainer [2023-12-02 18:18:08,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:18:08,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:18:08,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:18:08,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:18:08,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:08" (1/3) ... [2023-12-02 18:18:08,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62ea0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:18:08, skipping insertion in model container [2023-12-02 18:18:08,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:10" (2/3) ... [2023-12-02 18:18:08,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62ea0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:18:08, skipping insertion in model container [2023-12-02 18:18:08,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:18:08" (3/3) ... [2023-12-02 18:18:08,212 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal77.c [2023-12-02 18:18:08,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:18:08,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:18:08,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:18:08,283 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;@2c3e7361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:18:08,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:18:08,287 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 18:18:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 18:18:08,292 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:08,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 18:18:08,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:08,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 18:18:08,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:18:08,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542181628] [2023-12-02 18:18:08,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:08,314 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 18:18:08,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:18:08,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:18:08,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:18:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:18:09,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 18:18:09,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:18:10,136 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 18:18:10,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:18:10,137 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:18:10,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542181628] [2023-12-02 18:18:10,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542181628] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:18:10,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:18:10,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:18:10,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712697848] [2023-12-02 18:18:10,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:18:10,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:18:10,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:18:10,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:18:10,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:18:10,174 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 18:18:12,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:14,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:16,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:19,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:21,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:21,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:18:21,530 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 18:18:21,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:18:21,595 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 18:18:21,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:18:21,603 INFO L225 Difference]: With dead ends: 16 [2023-12-02 18:18:21,603 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 18:18:21,605 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 18:18:21,609 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:18:21,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 11.3s Time] [2023-12-02 18:18:21,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 18:18:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 18:18:21,638 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 18:18:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 18:18:21,640 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 18:18:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:18:21,640 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 18:18:21,641 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 18:18:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 18:18:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 18:18:21,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:18:21,641 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 18:18:21,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:18:21,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:18:21,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:18:21,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:18:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 18:18:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:18:21,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97987304] [2023-12-02 18:18:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:18:21,852 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 18:18:21,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:18:21,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:18:21,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:19:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:19,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 9281 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 18:19:19,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:19,442 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 18:19:19,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:19:20,629 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 18:19:20,629 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:19:20,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97987304] [2023-12-02 18:19:20,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97987304] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:19:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [298606336] [2023-12-02 18:19:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:20,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:19:20,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:19:20,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:19:20,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:19:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:39,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 9281 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 18:19:39,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:39,404 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 18:19:39,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:19:40,321 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 18:19:40,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [298606336] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:19:40,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809132337] [2023-12-02 18:19:40,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:19:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:19:40,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:19:40,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:19:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:43,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 9281 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 18:19:43,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:44,073 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 18:19:44,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:19:45,009 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 18:19:45,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809132337] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:19:45,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 18:19:45,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 5, 5] total 10 [2023-12-02 18:19:45,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99318960] [2023-12-02 18:19:45,011 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 18:19:45,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 18:19:45,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:19:45,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 18:19:45,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:19:45,013 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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 18:19:47,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:49,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:19:53,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:55,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:57,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:59,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:01,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:04,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:06,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:08,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:10,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:12,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:14,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:16,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:18,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:20,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:22,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:25,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:27,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:29,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:31,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:33,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:35,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:37,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:39,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:20:41,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:41,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:41,722 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 18:20:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:20:41,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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 18:20:41,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:41,801 INFO L225 Difference]: With dead ends: 14 [2023-12-02 18:20:41,801 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 18:20:41,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-02 18:20:41,803 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:41,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 27 Unknown, 0 Unchecked, 56.3s Time] [2023-12-02 18:20:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 18:20:41,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 18:20:41,806 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 18:20:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 18:20:41,806 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 18:20:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:41,806 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 18:20:41,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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 18:20:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 18:20:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 18:20:41,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:41,807 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 18:20:41,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:20:42,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:20:42,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:20:42,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:20:42,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:42,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 18:20:42,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:20:42,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618030756] [2023-12-02 18:20:42,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 18:20:42,427 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 18:20:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:20:42,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:20:42,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3c4ba6-8b92-4828-878f-f7be5a227cdf/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 18:25:59,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 18:25:59,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:25:59,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 18282 conjuncts, 133 conjunts are in the unsatisfiable core [2023-12-02 18:26:00,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:26:02,205 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 18:26:02,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:26:46,507 WARN L293 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 604 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:27:38,823 WARN L293 SmtUtils]: Spent 27.25s on a formula simplification. DAG size of input: 657 DAG size of output: 619 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)