./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 a629671c583dbe49fdba81ea3126d057ddfc73286d8aa7c1bb7aba0c48d10b7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:50:16,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:50:16,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 18:50:16,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:50:16,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:50:16,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:50:16,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:50:16,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:50:16,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:50:16,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:50:16,679 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:50:16,680 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:50:16,680 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:50:16,681 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:50:16,681 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:50:16,682 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:50:16,682 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:50:16,683 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:50:16,683 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:50:16,684 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:50:16,685 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:50:16,685 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:50:16,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:50:16,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:50:16,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:50:16,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:50:16,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:50:16,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:50:16,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:50:16,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:50:16,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:50:16,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:50:16,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:50:16,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:50:16,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:50:16,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:50:16,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:50:16,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:50:16,692 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:50:16,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:50:16,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:50:16,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:50:16,693 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:50:16,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:50:16,693 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a629671c583dbe49fdba81ea3126d057ddfc73286d8aa7c1bb7aba0c48d10b7d [2023-12-02 18:50:16,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:50:16,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:50:16,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:50:16,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:50:16,916 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:50:16,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:50:19,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:50:19,965 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:50:19,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:50:19,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/a5a7a3977/ab2abd33ae1143e195455bcc3107b388/FLAGc6e8ab9bc [2023-12-02 18:50:20,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/a5a7a3977/ab2abd33ae1143e195455bcc3107b388 [2023-12-02 18:50:20,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:50:20,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:50:20,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:50:20,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:50:20,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:50:20,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:50:20" (1/1) ... [2023-12-02 18:50:20,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@feb3105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:20, skipping insertion in model container [2023-12-02 18:50:20,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:50:20" (1/1) ... [2023-12-02 18:50:20,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:50:20,341 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c[1176,1189] [2023-12-02 18:50:20,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:50:20,916 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:50:20,928 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c[1176,1189] [2023-12-02 18:50:21,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:50:21,373 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:50:21,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21 WrapperNode [2023-12-02 18:50:21,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:50:21,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:50:21,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:50:21,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:50:21,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:21,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:23,008 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19641 [2023-12-02 18:50:23,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:50:23,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:50:23,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:50:23,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:50:23,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:23,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:23,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:23,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:23,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:24,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:24,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:24,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:24,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:50:24,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:50:24,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:50:24,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:50:24,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (1/1) ... [2023-12-02 18:50:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:50:24,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:50:24,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:50:24,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:50:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:50:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:50:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:50:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:50:25,373 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:50:25,375 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:50:36,028 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:51:07,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:51:07,373 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:51:07,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:07 BoogieIcfgContainer [2023-12-02 18:51:07,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:51:07,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:51:07,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:51:07,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:51:07,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:50:20" (1/3) ... [2023-12-02 18:51:07,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b6301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:07, skipping insertion in model container [2023-12-02 18:51:07,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:50:21" (2/3) ... [2023-12-02 18:51:07,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b6301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:07, skipping insertion in model container [2023-12-02 18:51:07,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:07" (3/3) ... [2023-12-02 18:51:07,384 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:51:07,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:51:07,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:51:07,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:51:07,455 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;@e870f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:51:07,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:51:07,459 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 18:51:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 18:51:07,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:07,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 18:51:07,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:07,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:07,471 INFO L85 PathProgramCache]: Analyzing trace with hash 762399334, now seen corresponding path program 1 times [2023-12-02 18:51:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:51:07,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940116196] [2023-12-02 18:51:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:51:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:51:08,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:51:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:51:09,698 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:51:09,700 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:51:09,702 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:51:09,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:51:09,709 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:51:09,713 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:51:09,765 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 18:51:09,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:51:09 BoogieIcfgContainer [2023-12-02 18:51:09,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:51:09,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:51:09,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:51:09,790 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:51:09,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:07" (3/4) ... [2023-12-02 18:51:09,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:51:09,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:51:09,796 INFO L158 Benchmark]: Toolchain (without parser) took 49788.65ms. Allocated memory was 148.9MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 103.6MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-02 18:51:09,797 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:51:09,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.12ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 103.4MB in the beginning and 96.8MB in the end (delta: 6.7MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2023-12-02 18:51:09,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 1634.32ms. Allocated memory was 207.6MB in the beginning and 662.7MB in the end (delta: 455.1MB). Free memory was 96.8MB in the beginning and 339.0MB in the end (delta: -242.2MB). Peak memory consumption was 323.4MB. Max. memory is 16.1GB. [2023-12-02 18:51:09,800 INFO L158 Benchmark]: Boogie Preprocessor took 1404.89ms. Allocated memory is still 662.7MB. Free memory was 339.0MB in the beginning and 216.3MB in the end (delta: 122.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2023-12-02 18:51:09,801 INFO L158 Benchmark]: RCFGBuilder took 42960.12ms. Allocated memory was 662.7MB in the beginning and 8.3GB in the end (delta: 7.7GB). Free memory was 216.3MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2023-12-02 18:51:09,801 INFO L158 Benchmark]: TraceAbstraction took 2411.46ms. Allocated memory is still 8.3GB. Free memory was 7.1GB in the beginning and 6.8GB in the end (delta: 331.4MB). Peak memory consumption was 331.4MB. Max. memory is 16.1GB. [2023-12-02 18:51:09,802 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 8.3GB. Free memory is still 6.8GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:51:09,806 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 59.8MB in the beginning and 59.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.12ms. Allocated memory was 148.9MB in the beginning and 207.6MB in the end (delta: 58.7MB). Free memory was 103.4MB in the beginning and 96.8MB in the end (delta: 6.7MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1634.32ms. Allocated memory was 207.6MB in the beginning and 662.7MB in the end (delta: 455.1MB). Free memory was 96.8MB in the beginning and 339.0MB in the end (delta: -242.2MB). Peak memory consumption was 323.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1404.89ms. Allocated memory is still 662.7MB. Free memory was 339.0MB in the beginning and 216.3MB in the end (delta: 122.7MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * RCFGBuilder took 42960.12ms. Allocated memory was 662.7MB in the beginning and 8.3GB in the end (delta: 7.7GB). Free memory was 216.3MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * TraceAbstraction took 2411.46ms. Allocated memory is still 8.3GB. Free memory was 7.1GB in the beginning and 6.8GB in the end (delta: 331.4MB). Peak memory consumption was 331.4MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 8.3GB. Free memory is still 6.8GB. 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 bitwiseAnd at line 360. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_38 = 0; [L40] const SORT_4 var_145 = 1; [L41] const SORT_4 var_146 = 0; [L42] const SORT_2 var_158 = 0; [L43] const SORT_2 var_160 = 1; [L44] const SORT_3 var_236 = 0; [L45] const SORT_4 var_565 = 4; [L46] const SORT_2 var_569 = 2; [L47] const SORT_2 var_579 = 4; [L48] const SORT_4 var_855 = 2; [L49] const SORT_2 var_949 = 3; [L50] const SORT_4 var_958 = 3; [L52] SORT_1 input_157; [L53] SORT_1 input_159; [L54] SORT_1 input_164; [L55] SORT_1 input_165; [L56] SORT_1 input_169; [L57] SORT_1 input_170; [L58] SORT_1 input_174; [L59] SORT_1 input_175; [L60] SORT_1 input_179; [L61] SORT_1 input_180; [L62] SORT_1 input_185; [L63] SORT_1 input_186; [L64] SORT_1 input_191; [L65] SORT_1 input_192; [L66] SORT_1 input_197; [L67] SORT_1 input_198; [L68] SORT_1 input_203; [L69] SORT_1 input_204; [L70] SORT_1 input_205; [L71] SORT_1 input_211; [L72] SORT_1 input_212; [L73] SORT_1 input_213; [L74] SORT_1 input_219; [L75] SORT_1 input_220; [L76] SORT_1 input_221; [L77] SORT_1 input_227; [L78] SORT_1 input_228; [L79] SORT_1 input_229; [L80] SORT_1 input_235; [L81] SORT_1 input_240; [L82] SORT_1 input_241; [L83] SORT_1 input_242; [L84] SORT_1 input_243; [L85] SORT_1 input_244; [L86] SORT_1 input_245; [L87] SORT_1 input_246; [L88] SORT_1 input_247; [L89] SORT_1 input_261; [L90] SORT_1 input_265; [L91] SORT_1 input_266; [L92] SORT_1 input_267; [L93] SORT_1 input_268; [L94] SORT_1 input_269; [L95] SORT_1 input_270; [L96] SORT_1 input_271; [L97] SORT_1 input_272; [L98] SORT_1 input_286; [L99] SORT_1 input_290; [L100] SORT_1 input_291; [L101] SORT_1 input_292; [L102] SORT_1 input_293; [L103] SORT_1 input_294; [L104] SORT_1 input_295; [L105] SORT_1 input_296; [L106] SORT_1 input_297; [L107] SORT_1 input_311; [L108] SORT_1 input_315; [L109] SORT_1 input_316; [L110] SORT_1 input_317; [L111] SORT_1 input_318; [L112] SORT_1 input_319; [L113] SORT_1 input_320; [L114] SORT_1 input_321; [L115] SORT_1 input_322; [L116] SORT_1 input_340; [L117] SORT_1 input_350; [L118] SORT_1 input_354; [L119] SORT_1 input_358; [L120] SORT_1 input_367; [L121] SORT_1 input_373; [L122] SORT_1 input_378; [L123] SORT_1 input_387; [L124] SORT_1 input_397; [L125] SORT_1 input_407; [L126] SORT_1 input_411; [L127] SORT_1 input_415; [L128] SORT_1 input_424; [L129] SORT_1 input_430; [L130] SORT_1 input_435; [L131] SORT_1 input_444; [L132] SORT_1 input_454; [L133] SORT_1 input_464; [L134] SORT_1 input_468; [L135] SORT_1 input_472; [L136] SORT_1 input_481; [L137] SORT_1 input_487; [L138] SORT_1 input_492; [L139] SORT_1 input_501; [L140] SORT_1 input_511; [L141] SORT_1 input_521; [L142] SORT_1 input_525; [L143] SORT_1 input_529; [L144] SORT_1 input_538; [L145] SORT_1 input_544; [L146] SORT_1 input_549; [L147] SORT_1 input_558; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L149] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L150] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L151] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L152] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L153] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L154] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L155] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L156] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L157] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L158] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L159] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L160] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L161] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L162] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L163] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L164] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L165] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L166] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L167] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L168] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L169] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L170] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L171] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L172] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L173] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L174] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L175] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L176] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L177] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L178] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L179] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L180] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L181] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L182] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L183] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L184] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L185] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L186] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L186] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L187] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L187] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L188] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L188] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L189] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L189] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L190] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L190] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L191] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L191] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L192] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L192] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L193] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L193] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L194] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L194] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L195] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L195] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L196] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L196] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L197] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L197] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L198] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L198] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L199] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L199] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L200] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L200] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L201] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L201] SORT_1 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L202] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L202] SORT_1 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L203] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L203] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L204] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L204] SORT_1 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L205] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L205] SORT_1 state_119 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L206] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L206] SORT_1 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L207] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L207] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L208] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L208] SORT_1 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L209] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L209] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L210] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L210] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L211] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L211] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L212] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L212] SORT_1 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L213] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L213] SORT_1 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L214] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L214] SORT_1 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L215] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L215] SORT_1 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L216] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L216] SORT_1 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L217] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L217] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L219] SORT_2 init_7_arg_1 = var_5; [L220] state_6 = init_7_arg_1 [L221] SORT_2 init_9_arg_1 = var_5; [L222] state_8 = init_9_arg_1 [L223] SORT_2 init_11_arg_1 = var_5; [L224] state_10 = init_11_arg_1 [L225] SORT_2 init_13_arg_1 = var_5; [L226] state_12 = init_13_arg_1 [L227] SORT_2 init_15_arg_1 = var_5; [L228] state_14 = init_15_arg_1 [L229] SORT_2 init_17_arg_1 = var_5; [L230] state_16 = init_17_arg_1 [L231] SORT_2 init_19_arg_1 = var_5; [L232] state_18 = init_19_arg_1 [L233] SORT_2 init_21_arg_1 = var_5; [L234] state_20 = init_21_arg_1 [L235] SORT_2 init_23_arg_1 = var_5; [L236] state_22 = init_23_arg_1 [L237] SORT_2 init_25_arg_1 = var_5; [L238] state_24 = init_25_arg_1 [L239] SORT_2 init_27_arg_1 = var_5; [L240] state_26 = init_27_arg_1 [L241] SORT_2 init_29_arg_1 = var_5; [L242] state_28 = init_29_arg_1 [L243] SORT_2 init_31_arg_1 = var_5; [L244] state_30 = init_31_arg_1 [L245] SORT_2 init_33_arg_1 = var_5; [L246] state_32 = init_33_arg_1 [L247] SORT_2 init_35_arg_1 = var_5; [L248] state_34 = init_35_arg_1 [L249] SORT_2 init_37_arg_1 = var_5; [L250] state_36 = init_37_arg_1 [L251] SORT_1 init_40_arg_1 = var_38; [L252] state_39 = init_40_arg_1 [L253] SORT_1 init_42_arg_1 = var_38; [L254] state_41 = init_42_arg_1 [L255] SORT_1 init_44_arg_1 = var_38; [L256] state_43 = init_44_arg_1 [L257] SORT_1 init_46_arg_1 = var_38; [L258] state_45 = init_46_arg_1 [L259] SORT_1 init_48_arg_1 = var_38; [L260] state_47 = init_48_arg_1 [L261] SORT_1 init_50_arg_1 = var_38; [L262] state_49 = init_50_arg_1 [L263] SORT_1 init_52_arg_1 = var_38; [L264] state_51 = init_52_arg_1 [L265] SORT_1 init_54_arg_1 = var_38; [L266] state_53 = init_54_arg_1 [L267] SORT_1 init_56_arg_1 = var_38; [L268] state_55 = init_56_arg_1 [L269] SORT_1 init_58_arg_1 = var_38; [L270] state_57 = init_58_arg_1 [L271] SORT_1 init_60_arg_1 = var_38; [L272] state_59 = init_60_arg_1 [L273] SORT_1 init_62_arg_1 = var_38; [L274] state_61 = init_62_arg_1 [L275] SORT_1 init_64_arg_1 = var_38; [L276] state_63 = init_64_arg_1 [L277] SORT_1 init_66_arg_1 = var_38; [L278] state_65 = init_66_arg_1 [L279] SORT_1 init_68_arg_1 = var_38; [L280] state_67 = init_68_arg_1 [L281] SORT_1 init_70_arg_1 = var_38; [L282] state_69 = init_70_arg_1 [L283] SORT_1 init_72_arg_1 = var_38; [L284] state_71 = init_72_arg_1 [L285] SORT_1 init_74_arg_1 = var_38; [L286] state_73 = init_74_arg_1 [L287] SORT_1 init_76_arg_1 = var_38; [L288] state_75 = init_76_arg_1 [L289] SORT_1 init_78_arg_1 = var_38; [L290] state_77 = init_78_arg_1 [L291] SORT_1 init_80_arg_1 = var_38; [L292] state_79 = init_80_arg_1 [L293] SORT_1 init_82_arg_1 = var_38; [L294] state_81 = init_82_arg_1 [L295] SORT_1 init_84_arg_1 = var_38; [L296] state_83 = init_84_arg_1 [L297] SORT_1 init_86_arg_1 = var_38; [L298] state_85 = init_86_arg_1 [L299] SORT_1 init_88_arg_1 = var_38; [L300] state_87 = init_88_arg_1 [L301] SORT_1 init_90_arg_1 = var_38; [L302] state_89 = init_90_arg_1 [L303] SORT_1 init_92_arg_1 = var_38; [L304] state_91 = init_92_arg_1 [L305] SORT_1 init_94_arg_1 = var_38; [L306] state_93 = init_94_arg_1 [L307] SORT_1 init_96_arg_1 = var_38; [L308] state_95 = init_96_arg_1 [L309] SORT_1 init_98_arg_1 = var_38; [L310] state_97 = init_98_arg_1 [L311] SORT_1 init_100_arg_1 = var_38; [L312] state_99 = init_100_arg_1 [L313] SORT_1 init_102_arg_1 = var_38; [L314] state_101 = init_102_arg_1 [L315] SORT_1 init_104_arg_1 = var_38; [L316] state_103 = init_104_arg_1 [L317] SORT_1 init_106_arg_1 = var_38; [L318] state_105 = init_106_arg_1 [L319] SORT_1 init_108_arg_1 = var_38; [L320] state_107 = init_108_arg_1 [L321] SORT_1 init_110_arg_1 = var_38; [L322] state_109 = init_110_arg_1 [L323] SORT_1 init_112_arg_1 = var_38; [L324] state_111 = init_112_arg_1 [L325] SORT_1 init_114_arg_1 = var_38; [L326] state_113 = init_114_arg_1 [L327] SORT_1 init_116_arg_1 = var_38; [L328] state_115 = init_116_arg_1 [L329] SORT_1 init_118_arg_1 = var_38; [L330] state_117 = init_118_arg_1 [L331] SORT_1 init_120_arg_1 = var_38; [L332] state_119 = init_120_arg_1 [L333] SORT_1 init_122_arg_1 = var_38; [L334] state_121 = init_122_arg_1 [L335] SORT_1 init_124_arg_1 = var_38; [L336] state_123 = init_124_arg_1 [L337] SORT_1 init_126_arg_1 = var_38; [L338] state_125 = init_126_arg_1 [L339] SORT_1 init_128_arg_1 = var_38; [L340] state_127 = init_128_arg_1 [L341] SORT_1 init_130_arg_1 = var_38; [L342] state_129 = init_130_arg_1 [L343] SORT_1 init_132_arg_1 = var_38; [L344] state_131 = init_132_arg_1 [L345] SORT_1 init_134_arg_1 = var_38; [L346] state_133 = init_134_arg_1 [L347] SORT_1 init_136_arg_1 = var_38; [L348] state_135 = init_136_arg_1 [L349] SORT_1 init_138_arg_1 = var_38; [L350] state_137 = init_138_arg_1 [L351] SORT_1 init_140_arg_1 = var_38; [L352] state_139 = init_140_arg_1 [L353] SORT_1 init_142_arg_1 = var_38; [L354] state_141 = init_142_arg_1 [L355] SORT_1 init_144_arg_1 = var_38; [L356] state_143 = init_144_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_114_arg_1=0, init_116_arg_1=0, init_118_arg_1=0, init_11_arg_1=0, init_120_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_142_arg_1=0, init_144_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_10=0, state_111=0, state_113=0, state_115=0, state_117=0, state_119=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_12=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_141=0, state_143=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_145=1, var_146=0, var_158=0, var_160=1, var_236=0, var_38=0, var_565=4, var_569=2, var_579=4, var_5=0, var_855=2, var_949=3, var_958=3] [L359] input_157 = __VERIFIER_nondet_uchar() [L360] EXPR input_157 & mask_SORT_1 [L360] input_157 = input_157 & mask_SORT_1 [L361] input_159 = __VERIFIER_nondet_uchar() [L362] EXPR input_159 & mask_SORT_1 [L362] input_159 = input_159 & mask_SORT_1 [L363] input_164 = __VERIFIER_nondet_uchar() [L364] EXPR input_164 & mask_SORT_1 [L364] input_164 = input_164 & mask_SORT_1 [L365] input_165 = __VERIFIER_nondet_uchar() [L366] EXPR input_165 & mask_SORT_1 [L366] input_165 = input_165 & mask_SORT_1 [L367] input_169 = __VERIFIER_nondet_uchar() [L368] EXPR input_169 & mask_SORT_1 [L368] input_169 = input_169 & mask_SORT_1 [L369] input_170 = __VERIFIER_nondet_uchar() [L370] EXPR input_170 & mask_SORT_1 [L370] input_170 = input_170 & mask_SORT_1 [L371] input_174 = __VERIFIER_nondet_uchar() [L372] EXPR input_174 & mask_SORT_1 [L372] input_174 = input_174 & mask_SORT_1 [L373] input_175 = __VERIFIER_nondet_uchar() [L374] EXPR input_175 & mask_SORT_1 [L374] input_175 = input_175 & mask_SORT_1 [L375] input_179 = __VERIFIER_nondet_uchar() [L376] EXPR input_179 & mask_SORT_1 [L376] input_179 = input_179 & mask_SORT_1 [L377] input_180 = __VERIFIER_nondet_uchar() [L378] EXPR input_180 & mask_SORT_1 [L378] input_180 = input_180 & mask_SORT_1 [L379] input_185 = __VERIFIER_nondet_uchar() [L380] EXPR input_185 & mask_SORT_1 [L380] input_185 = input_185 & mask_SORT_1 [L381] input_186 = __VERIFIER_nondet_uchar() [L382] EXPR input_186 & mask_SORT_1 [L382] input_186 = input_186 & mask_SORT_1 [L383] input_191 = __VERIFIER_nondet_uchar() [L384] EXPR input_191 & mask_SORT_1 [L384] input_191 = input_191 & mask_SORT_1 [L385] input_192 = __VERIFIER_nondet_uchar() [L386] EXPR input_192 & mask_SORT_1 [L386] input_192 = input_192 & mask_SORT_1 [L387] input_197 = __VERIFIER_nondet_uchar() [L388] EXPR input_197 & mask_SORT_1 [L388] input_197 = input_197 & mask_SORT_1 [L389] input_198 = __VERIFIER_nondet_uchar() [L390] EXPR input_198 & mask_SORT_1 [L390] input_198 = input_198 & mask_SORT_1 [L391] input_203 = __VERIFIER_nondet_uchar() [L392] EXPR input_203 & mask_SORT_1 [L392] input_203 = input_203 & mask_SORT_1 [L393] input_204 = __VERIFIER_nondet_uchar() [L394] EXPR input_204 & mask_SORT_1 [L394] input_204 = input_204 & mask_SORT_1 [L395] input_205 = __VERIFIER_nondet_uchar() [L396] EXPR input_205 & mask_SORT_1 [L396] input_205 = input_205 & mask_SORT_1 [L397] input_211 = __VERIFIER_nondet_uchar() [L398] EXPR input_211 & mask_SORT_1 [L398] input_211 = input_211 & mask_SORT_1 [L399] input_212 = __VERIFIER_nondet_uchar() [L400] EXPR input_212 & mask_SORT_1 [L400] input_212 = input_212 & mask_SORT_1 [L401] input_213 = __VERIFIER_nondet_uchar() [L402] EXPR input_213 & mask_SORT_1 [L402] input_213 = input_213 & mask_SORT_1 [L403] input_219 = __VERIFIER_nondet_uchar() [L404] EXPR input_219 & mask_SORT_1 [L404] input_219 = input_219 & mask_SORT_1 [L405] input_220 = __VERIFIER_nondet_uchar() [L406] EXPR input_220 & mask_SORT_1 [L406] input_220 = input_220 & mask_SORT_1 [L407] input_221 = __VERIFIER_nondet_uchar() [L408] EXPR input_221 & mask_SORT_1 [L408] input_221 = input_221 & mask_SORT_1 [L409] input_227 = __VERIFIER_nondet_uchar() [L410] EXPR input_227 & mask_SORT_1 [L410] input_227 = input_227 & mask_SORT_1 [L411] input_228 = __VERIFIER_nondet_uchar() [L412] EXPR input_228 & mask_SORT_1 [L412] input_228 = input_228 & mask_SORT_1 [L413] input_229 = __VERIFIER_nondet_uchar() [L414] EXPR input_229 & mask_SORT_1 [L414] input_229 = input_229 & mask_SORT_1 [L415] input_235 = __VERIFIER_nondet_uchar() [L416] EXPR input_235 & mask_SORT_1 [L416] input_235 = input_235 & mask_SORT_1 [L417] input_240 = __VERIFIER_nondet_uchar() [L418] EXPR input_240 & mask_SORT_1 [L418] input_240 = input_240 & mask_SORT_1 [L419] input_241 = __VERIFIER_nondet_uchar() [L420] EXPR input_241 & mask_SORT_1 [L420] input_241 = input_241 & mask_SORT_1 [L421] input_242 = __VERIFIER_nondet_uchar() [L422] EXPR input_242 & mask_SORT_1 [L422] input_242 = input_242 & mask_SORT_1 [L423] input_243 = __VERIFIER_nondet_uchar() [L424] EXPR input_243 & mask_SORT_1 [L424] input_243 = input_243 & mask_SORT_1 [L425] input_244 = __VERIFIER_nondet_uchar() [L426] EXPR input_244 & mask_SORT_1 [L426] input_244 = input_244 & mask_SORT_1 [L427] input_245 = __VERIFIER_nondet_uchar() [L428] EXPR input_245 & mask_SORT_1 [L428] input_245 = input_245 & mask_SORT_1 [L429] input_246 = __VERIFIER_nondet_uchar() [L430] EXPR input_246 & mask_SORT_1 [L430] input_246 = input_246 & mask_SORT_1 [L431] input_247 = __VERIFIER_nondet_uchar() [L432] EXPR input_247 & mask_SORT_1 [L432] input_247 = input_247 & mask_SORT_1 [L433] input_261 = __VERIFIER_nondet_uchar() [L434] EXPR input_261 & mask_SORT_1 [L434] input_261 = input_261 & mask_SORT_1 [L435] input_265 = __VERIFIER_nondet_uchar() [L436] EXPR input_265 & mask_SORT_1 [L436] input_265 = input_265 & mask_SORT_1 [L437] input_266 = __VERIFIER_nondet_uchar() [L438] EXPR input_266 & mask_SORT_1 [L438] input_266 = input_266 & mask_SORT_1 [L439] input_267 = __VERIFIER_nondet_uchar() [L440] EXPR input_267 & mask_SORT_1 [L440] input_267 = input_267 & mask_SORT_1 [L441] input_268 = __VERIFIER_nondet_uchar() [L442] EXPR input_268 & mask_SORT_1 [L442] input_268 = input_268 & mask_SORT_1 [L443] input_269 = __VERIFIER_nondet_uchar() [L444] EXPR input_269 & mask_SORT_1 [L444] input_269 = input_269 & mask_SORT_1 [L445] input_270 = __VERIFIER_nondet_uchar() [L446] EXPR input_270 & mask_SORT_1 [L446] input_270 = input_270 & mask_SORT_1 [L447] input_271 = __VERIFIER_nondet_uchar() [L448] EXPR input_271 & mask_SORT_1 [L448] input_271 = input_271 & mask_SORT_1 [L449] input_272 = __VERIFIER_nondet_uchar() [L450] EXPR input_272 & mask_SORT_1 [L450] input_272 = input_272 & mask_SORT_1 [L451] input_286 = __VERIFIER_nondet_uchar() [L452] EXPR input_286 & mask_SORT_1 [L452] input_286 = input_286 & mask_SORT_1 [L453] input_290 = __VERIFIER_nondet_uchar() [L454] EXPR input_290 & mask_SORT_1 [L454] input_290 = input_290 & mask_SORT_1 [L455] input_291 = __VERIFIER_nondet_uchar() [L456] EXPR input_291 & mask_SORT_1 [L456] input_291 = input_291 & mask_SORT_1 [L457] input_292 = __VERIFIER_nondet_uchar() [L458] EXPR input_292 & mask_SORT_1 [L458] input_292 = input_292 & mask_SORT_1 [L459] input_293 = __VERIFIER_nondet_uchar() [L460] EXPR input_293 & mask_SORT_1 [L460] input_293 = input_293 & mask_SORT_1 [L461] input_294 = __VERIFIER_nondet_uchar() [L462] EXPR input_294 & mask_SORT_1 [L462] input_294 = input_294 & mask_SORT_1 [L463] input_295 = __VERIFIER_nondet_uchar() [L464] EXPR input_295 & mask_SORT_1 [L464] input_295 = input_295 & mask_SORT_1 [L465] input_296 = __VERIFIER_nondet_uchar() [L466] EXPR input_296 & mask_SORT_1 [L466] input_296 = input_296 & mask_SORT_1 [L467] input_297 = __VERIFIER_nondet_uchar() [L468] EXPR input_297 & mask_SORT_1 [L468] input_297 = input_297 & mask_SORT_1 [L469] input_311 = __VERIFIER_nondet_uchar() [L470] EXPR input_311 & mask_SORT_1 [L470] input_311 = input_311 & mask_SORT_1 [L471] input_315 = __VERIFIER_nondet_uchar() [L472] EXPR input_315 & mask_SORT_1 [L472] input_315 = input_315 & mask_SORT_1 [L473] input_316 = __VERIFIER_nondet_uchar() [L474] EXPR input_316 & mask_SORT_1 [L474] input_316 = input_316 & mask_SORT_1 [L475] input_317 = __VERIFIER_nondet_uchar() [L476] EXPR input_317 & mask_SORT_1 [L476] input_317 = input_317 & mask_SORT_1 [L477] input_318 = __VERIFIER_nondet_uchar() [L478] EXPR input_318 & mask_SORT_1 [L478] input_318 = input_318 & mask_SORT_1 [L479] input_319 = __VERIFIER_nondet_uchar() [L480] EXPR input_319 & mask_SORT_1 [L480] input_319 = input_319 & mask_SORT_1 [L481] input_320 = __VERIFIER_nondet_uchar() [L482] EXPR input_320 & mask_SORT_1 [L482] input_320 = input_320 & mask_SORT_1 [L483] input_321 = __VERIFIER_nondet_uchar() [L484] EXPR input_321 & mask_SORT_1 [L484] input_321 = input_321 & mask_SORT_1 [L485] input_322 = __VERIFIER_nondet_uchar() [L486] EXPR input_322 & mask_SORT_1 [L486] input_322 = input_322 & mask_SORT_1 [L487] input_340 = __VERIFIER_nondet_uchar() [L488] input_350 = __VERIFIER_nondet_uchar() [L489] input_354 = __VERIFIER_nondet_uchar() [L490] input_358 = __VERIFIER_nondet_uchar() [L491] input_367 = __VERIFIER_nondet_uchar() [L492] input_373 = __VERIFIER_nondet_uchar() [L493] input_378 = __VERIFIER_nondet_uchar() [L494] input_387 = __VERIFIER_nondet_uchar() [L495] input_397 = __VERIFIER_nondet_uchar() [L496] input_407 = __VERIFIER_nondet_uchar() [L497] input_411 = __VERIFIER_nondet_uchar() [L498] input_415 = __VERIFIER_nondet_uchar() [L499] input_424 = __VERIFIER_nondet_uchar() [L500] input_430 = __VERIFIER_nondet_uchar() [L501] input_435 = __VERIFIER_nondet_uchar() [L502] input_444 = __VERIFIER_nondet_uchar() [L503] input_454 = __VERIFIER_nondet_uchar() [L504] input_464 = __VERIFIER_nondet_uchar() [L505] input_468 = __VERIFIER_nondet_uchar() [L506] input_472 = __VERIFIER_nondet_uchar() [L507] input_481 = __VERIFIER_nondet_uchar() [L508] input_487 = __VERIFIER_nondet_uchar() [L509] input_492 = __VERIFIER_nondet_uchar() [L510] input_501 = __VERIFIER_nondet_uchar() [L511] input_511 = __VERIFIER_nondet_uchar() [L512] input_521 = __VERIFIER_nondet_uchar() [L513] input_525 = __VERIFIER_nondet_uchar() [L514] input_529 = __VERIFIER_nondet_uchar() [L515] input_538 = __VERIFIER_nondet_uchar() [L516] input_544 = __VERIFIER_nondet_uchar() [L517] input_549 = __VERIFIER_nondet_uchar() [L518] input_558 = __VERIFIER_nondet_uchar() [L521] SORT_1 var_147_arg_0 = state_63; [L522] SORT_4 var_147_arg_1 = var_145; [L523] SORT_4 var_147_arg_2 = var_146; [L524] SORT_4 var_147 = var_147_arg_0 ? var_147_arg_1 : var_147_arg_2; [L525] SORT_1 var_148_arg_0 = state_89; [L526] SORT_4 var_148_arg_1 = var_145; [L527] SORT_4 var_148_arg_2 = var_146; [L528] SORT_4 var_148 = var_148_arg_0 ? var_148_arg_1 : var_148_arg_2; [L529] SORT_4 var_149_arg_0 = var_147; [L530] SORT_4 var_149_arg_1 = var_148; [L531] SORT_4 var_149 = var_149_arg_0 + var_149_arg_1; [L532] SORT_1 var_150_arg_0 = state_115; [L533] SORT_4 var_150_arg_1 = var_145; [L534] SORT_4 var_150_arg_2 = var_146; [L535] SORT_4 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L536] SORT_4 var_151_arg_0 = var_149; [L537] SORT_4 var_151_arg_1 = var_150; [L538] SORT_4 var_151 = var_151_arg_0 + var_151_arg_1; [L539] SORT_1 var_152_arg_0 = state_141; [L540] SORT_4 var_152_arg_1 = var_145; [L541] SORT_4 var_152_arg_2 = var_146; [L542] SORT_4 var_152 = var_152_arg_0 ? var_152_arg_1 : var_152_arg_2; [L543] SORT_4 var_153_arg_0 = var_151; [L544] SORT_4 var_153_arg_1 = var_152; [L545] SORT_4 var_153 = var_153_arg_0 + var_153_arg_1; [L546] EXPR var_153 & mask_SORT_4 [L546] var_153 = var_153 & mask_SORT_4 [L547] SORT_4 var_154_arg_0 = var_153; [L548] SORT_4 var_154_arg_1 = var_145; [L549] SORT_1 var_154 = var_154_arg_0 <= var_154_arg_1; [L550] SORT_1 var_155_arg_0 = ~state_143; [L551] EXPR var_155_arg_0 & mask_SORT_1 [L551] var_155_arg_0 = var_155_arg_0 & mask_SORT_1 [L552] SORT_1 var_155_arg_1 = ~var_154; [L553] EXPR var_155_arg_1 & mask_SORT_1 [L553] var_155_arg_1 = var_155_arg_1 & mask_SORT_1 [L554] EXPR var_155_arg_0 & var_155_arg_1 [L554] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L555] EXPR var_155 & mask_SORT_1 [L555] var_155 = var_155 & mask_SORT_1 [L556] SORT_1 bad_156_arg_0 = var_155; [L557] CALL __VERIFIER_assert(!(bad_156_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: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s 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 18:51:09,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 a629671c583dbe49fdba81ea3126d057ddfc73286d8aa7c1bb7aba0c48d10b7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:51:12,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:51:12,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 18:51:12,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:51:12,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:51:12,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:51:12,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:51:12,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:51:12,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:51:12,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:51:12,301 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:51:12,301 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:51:12,302 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:51:12,302 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:51:12,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:51:12,303 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:51:12,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:51:12,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:51:12,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:51:12,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:51:12,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:51:12,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:51:12,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:51:12,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:51:12,309 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:51:12,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:51:12,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:51:12,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:51:12,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:51:12,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:51:12,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:51:12,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:51:12,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:51:12,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:51:12,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:51:12,313 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:51:12,313 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:51:12,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:51:12,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:51:12,314 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:51:12,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:51:12,314 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a629671c583dbe49fdba81ea3126d057ddfc73286d8aa7c1bb7aba0c48d10b7d [2023-12-02 18:51:12,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:51:12,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:51:12,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:51:12,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:51:12,609 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:51:12,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:51:15,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:51:15,730 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:51:15,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:51:15,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/5394a2acb/f2f82d7675434260acd2994bcbfc04fd/FLAG61a569bf3 [2023-12-02 18:51:15,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/data/5394a2acb/f2f82d7675434260acd2994bcbfc04fd [2023-12-02 18:51:15,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:51:15,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:51:15,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:51:15,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:51:15,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:51:15,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:15" (1/1) ... [2023-12-02 18:51:15,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef1b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:15, skipping insertion in model container [2023-12-02 18:51:15,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:15" (1/1) ... [2023-12-02 18:51:15,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:51:16,133 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c[1176,1189] [2023-12-02 18:51:16,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:51:16,609 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:51:16,621 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_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.3.prop1-func-interl.c[1176,1189] [2023-12-02 18:51:16,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:51:16,857 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:51:16,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16 WrapperNode [2023-12-02 18:51:16,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:51:16,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:51:16,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:51:16,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:51:16,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:16,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,111 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5074 [2023-12-02 18:51:17,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:51:17,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:51:17,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:51:17,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:51:17,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:51:17,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:51:17,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:51:17,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:51:17,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (1/1) ... [2023-12-02 18:51:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:51:17,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:51:17,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:51:17,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:51:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:51:18,244 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:51:18,247 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:51:28,281 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:51:28,544 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:51:28,545 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:51:28,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:28 BoogieIcfgContainer [2023-12-02 18:51:28,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:51:28,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:51:28,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:51:28,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:51:28,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:51:15" (1/3) ... [2023-12-02 18:51:28,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd6635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:28, skipping insertion in model container [2023-12-02 18:51:28,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:16" (2/3) ... [2023-12-02 18:51:28,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cd6635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:51:28, skipping insertion in model container [2023-12-02 18:51:28,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:28" (3/3) ... [2023-12-02 18:51:28,555 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.3.prop1-func-interl.c [2023-12-02 18:51:28,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:51:28,576 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:51:28,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:51:28,623 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;@44e3bd19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:51:28,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:51:28,626 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 18:51:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 18:51:28,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:28,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 18:51:28,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:28,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:28,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 18:51:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:51:28,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363144044] [2023-12-02 18:51:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:28,650 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 18:51:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:51:28,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:28,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:29,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 18:51:29,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:30,111 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 18:51:30,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:51:30,112 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:51:30,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363144044] [2023-12-02 18:51:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363144044] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:51:30,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:51:30,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:51:30,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99017621] [2023-12-02 18:51:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:51:30,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:51:30,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:51:30,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:51:30,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:51:30,150 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 18:51:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:51:30,892 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 18:51:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:51:30,894 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 18:51:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:51:30,899 INFO L225 Difference]: With dead ends: 16 [2023-12-02 18:51:30,900 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 18:51:30,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:51:30,906 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:51:30,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 18:51:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 18:51:30,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 18:51:30,930 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 18:51:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 18:51:30,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 18:51:30,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:51:30,932 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 18:51:30,932 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 18:51:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 18:51:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 18:51:30,932 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:51:30,932 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 18:51:30,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:31,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:31,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:51:31,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:51:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 18:51:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:51:31,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781511895] [2023-12-02 18:51:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:51:31,144 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 18:51:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:51:31,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/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 18:51:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:51:36,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 4293 conjuncts, 265 conjunts are in the unsatisfiable core [2023-12-02 18:51:36,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:51:43,054 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 18:51:43,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:38,210 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 746 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:52:43,226 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 18:52:43,226 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:52:43,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781511895] [2023-12-02 18:52:43,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781511895] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:43,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [480783123] [2023-12-02 18:52:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:52:43,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:52:43,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:52:43,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:52:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:46,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 4293 conjuncts, 262 conjunts are in the unsatisfiable core [2023-12-02 18:52:46,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:53:02,468 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 18:53:02,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:35,043 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 18:54:35,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [480783123] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:35,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553049149] [2023-12-02 18:54:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:35,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:35,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:35,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:54:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:36,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 4293 conjuncts, 265 conjunts are in the unsatisfiable core [2023-12-02 18:54:36,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:44,705 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 18:54:44,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:58:01,501 WARN L293 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 751 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:00:56,919 WARN L293 SmtUtils]: Spent 17.07s on a formula simplification that was a NOOP. DAG size: 755 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:01:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:01:01,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553049149] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:01:01,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:01:01,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 5, 5] total 15 [2023-12-02 19:01:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021678089] [2023-12-02 19:01:01,904 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:01:01,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 19:01:01,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:01:01,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 19:01:01,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=168, Unknown=15, NotChecked=0, Total=240 [2023-12-02 19:01:01,907 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:01:12,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:01:16,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:23,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.97s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:30,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:33,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:37,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:44,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:51,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:01:55,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:23,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:31,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:37,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:41,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:45,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:02:54,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:03:01,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.82s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:03:05,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-12-02 19:03:11,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.40s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 19:03:11,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:03:11,824 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 19:03:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 19:03:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 19:03:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:03:11,826 INFO L225 Difference]: With dead ends: 14 [2023-12-02 19:03:11,827 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 19:03:11,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 539.7s TimeCoverageRelationStatistics Valid=95, Invalid=230, Unknown=17, NotChecked=0, Total=342 [2023-12-02 19:03:11,828 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:03:11,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 20 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 95.9s Time] [2023-12-02 19:03:11,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 19:03:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 19:03:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:03:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 19:03:11,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 19:03:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:03:11,833 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 19:03:11,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:03:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 19:03:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 19:03:11,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:03:11,834 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 19:03:11,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 19:03:12,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 19:03:12,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 19:03:12,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:03:12,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:03:12,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:03:12,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 19:03:12,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:03:12,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161134521] [2023-12-02 19:03:12,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 19:03:12,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:03:12,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:03:12,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:03:12,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad913c55-9a87-4ff5-800d-1aaaaf08a4f9/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 19:03:23,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 19:03:23,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 19:03:23,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 8315 conjuncts, 437 conjunts are in the unsatisfiable core [2023-12-02 19:03:23,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:03:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:03:40,015 INFO L327 TraceCheckSpWp]: Computing backward predicates...