./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.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_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:08,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:08,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:54:08,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:08,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:08,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:08,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:08,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:08,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:08,309 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:08,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:08,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:08,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:08,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:08,313 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:08,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:08,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:08,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:08,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:08,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:08,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:08,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:08,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:08,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:08,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:08,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:08,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:08,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:08,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:08,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:08,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:08,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:08,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:08,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:08,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:08,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:08,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:08,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:08,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:08,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-26 11:54:08,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:08,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:08,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:08,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:08,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:08,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:11,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:12,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:12,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:12,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/40e6848f3/35d0df64a43b4b698641f2c2a449e507/FLAG880c37d1e [2023-11-26 11:54:12,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/40e6848f3/35d0df64a43b4b698641f2c2a449e507 [2023-11-26 11:54:12,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:12,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:12,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:12,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:12,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:12,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:12,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622a8b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12, skipping insertion in model container [2023-11-26 11:54:12,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:12,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:12,370 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_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-26 11:54:12,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:12,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:12,740 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_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-26 11:54:12,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:12,993 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:12,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12 WrapperNode [2023-11-26 11:54:12,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:12,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:12,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:12,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:13,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,414 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2432 [2023-11-26 11:54:13,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:13,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:13,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:13,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:13,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,574 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:54:13,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:13,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:13,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:13,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:13,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (1/1) ... [2023-11-26 11:54:13,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:13,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:13,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:14,326 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:14,328 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:16,741 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:16,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:16,849 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:54:16,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:16 BoogieIcfgContainer [2023-11-26 11:54:16,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:16,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:16,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:16,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:16,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:12" (1/3) ... [2023-11-26 11:54:16,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8a52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:16, skipping insertion in model container [2023-11-26 11:54:16,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:12" (2/3) ... [2023-11-26 11:54:16,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8a52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:16, skipping insertion in model container [2023-11-26 11:54:16,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:16" (3/3) ... [2023-11-26 11:54:16,863 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:16,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:16,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:54:16,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:16,992 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=PETRI_NET, 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;@4ce9398e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:16,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:54:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 409 states have (on average 1.667481662591687) internal successors, (682), 410 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-26 11:54:17,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:17,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:17,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:17,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash 822294184, now seen corresponding path program 1 times [2023-11-26 11:54:17,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593389676] [2023-11-26 11:54:17,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:17,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593389676] [2023-11-26 11:54:17,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593389676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:17,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:17,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:17,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140617019] [2023-11-26 11:54:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:17,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:17,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:17,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:17,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:17,913 INFO L87 Difference]: Start difference. First operand has 411 states, 409 states have (on average 1.667481662591687) internal successors, (682), 410 states have internal predecessors, (682), 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 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:18,079 INFO L93 Difference]: Finished difference Result 782 states and 1300 transitions. [2023-11-26 11:54:18,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:18,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2023-11-26 11:54:18,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:18,100 INFO L225 Difference]: With dead ends: 782 [2023-11-26 11:54:18,100 INFO L226 Difference]: Without dead ends: 411 [2023-11-26 11:54:18,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:18,109 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2020 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:18,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2020 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:18,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-26 11:54:18,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-11-26 11:54:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.6585365853658536) internal successors, (680), 410 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 680 transitions. [2023-11-26 11:54:18,175 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 680 transitions. Word has length 44 [2023-11-26 11:54:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:18,176 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 680 transitions. [2023-11-26 11:54:18,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 680 transitions. [2023-11-26 11:54:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-26 11:54:18,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:18,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:18,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:18,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:18,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash -276958884, now seen corresponding path program 1 times [2023-11-26 11:54:18,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819943423] [2023-11-26 11:54:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:18,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:18,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819943423] [2023-11-26 11:54:18,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819943423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:18,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:18,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198406023] [2023-11-26 11:54:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:18,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:18,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:18,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:18,456 INFO L87 Difference]: Start difference. First operand 411 states and 680 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:18,511 INFO L93 Difference]: Finished difference Result 785 states and 1298 transitions. [2023-11-26 11:54:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:18,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2023-11-26 11:54:18,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:18,516 INFO L225 Difference]: With dead ends: 785 [2023-11-26 11:54:18,516 INFO L226 Difference]: Without dead ends: 414 [2023-11-26 11:54:18,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:18,519 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:18,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2018 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-11-26 11:54:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 413. [2023-11-26 11:54:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.6553398058252426) internal successors, (682), 412 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 682 transitions. [2023-11-26 11:54:18,558 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 682 transitions. Word has length 45 [2023-11-26 11:54:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:18,559 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 682 transitions. [2023-11-26 11:54:18,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 682 transitions. [2023-11-26 11:54:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-26 11:54:18,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:18,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:18,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:18,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:18,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:18,569 INFO L85 PathProgramCache]: Analyzing trace with hash -206223038, now seen corresponding path program 1 times [2023-11-26 11:54:18,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:18,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550540156] [2023-11-26 11:54:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:18,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:19,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:19,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550540156] [2023-11-26 11:54:19,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550540156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:19,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:19,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:54:19,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171494028] [2023-11-26 11:54:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:19,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:19,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:19,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:19,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:19,166 INFO L87 Difference]: Start difference. First operand 413 states and 682 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:19,431 INFO L93 Difference]: Finished difference Result 1532 states and 2529 transitions. [2023-11-26 11:54:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:54:19,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 46 [2023-11-26 11:54:19,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:19,440 INFO L225 Difference]: With dead ends: 1532 [2023-11-26 11:54:19,440 INFO L226 Difference]: Without dead ends: 1159 [2023-11-26 11:54:19,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:54:19,443 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 1818 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 3424 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:19,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 3424 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:54:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2023-11-26 11:54:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 418. [2023-11-26 11:54:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.6522781774580335) internal successors, (689), 417 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 689 transitions. [2023-11-26 11:54:19,464 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 689 transitions. Word has length 46 [2023-11-26 11:54:19,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:19,465 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 689 transitions. [2023-11-26 11:54:19,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 689 transitions. [2023-11-26 11:54:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-26 11:54:19,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:19,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:19,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:19,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:19,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -891066880, now seen corresponding path program 1 times [2023-11-26 11:54:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252303800] [2023-11-26 11:54:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:20,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252303800] [2023-11-26 11:54:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252303800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:20,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:20,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 11:54:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777766103] [2023-11-26 11:54:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:20,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 11:54:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:20,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 11:54:20,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:54:20,789 INFO L87 Difference]: Start difference. First operand 418 states and 689 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:21,657 INFO L93 Difference]: Finished difference Result 1916 states and 3163 transitions. [2023-11-26 11:54:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:54:21,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-11-26 11:54:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:21,668 INFO L225 Difference]: With dead ends: 1916 [2023-11-26 11:54:21,668 INFO L226 Difference]: Without dead ends: 1538 [2023-11-26 11:54:21,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-11-26 11:54:21,671 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 5495 mSDsluCounter, 5120 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 6399 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:21,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 6399 Invalid, 184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:54:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2023-11-26 11:54:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 435. [2023-11-26 11:54:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 1.6451612903225807) internal successors, (714), 434 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 714 transitions. [2023-11-26 11:54:21,697 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 714 transitions. Word has length 47 [2023-11-26 11:54:21,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:21,698 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 714 transitions. [2023-11-26 11:54:21,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 714 transitions. [2023-11-26 11:54:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-26 11:54:21,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:21,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:21,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:54:21,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:21,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 883940482, now seen corresponding path program 1 times [2023-11-26 11:54:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132344358] [2023-11-26 11:54:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:21,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:54:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:54:21,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:54:21,922 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:54:21,923 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:54:21,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:54:21,929 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 11:54:21,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:21,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:54:21,978 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 11:54:21,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-26 11:54:21,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 11:54:21,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 11:54:21,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 11:54:21,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-26 11:54:21,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-26 11:54:21,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-26 11:54:21,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 11:54:21,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-26 11:54:21,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-26 11:54:21,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 11:54:21,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:54:21,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 11:54:21,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-26 11:54:21,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 11:54:21,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 11:54:21,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-26 11:54:21,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-26 11:54:21,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-26 11:54:21,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-26 11:54:21,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-26 11:54:21,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-26 11:54:21,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-26 11:54:21,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-26 11:54:21,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-26 11:54:21,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-26 11:54:21,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-26 11:54:22,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated [2023-11-26 11:54:22,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated [2023-11-26 11:54:22,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet54 could not be translated [2023-11-26 11:54:22,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated [2023-11-26 11:54:22,006 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 11:54:22,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:22 BoogieIcfgContainer [2023-11-26 11:54:22,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:22,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:22,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:22,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:22,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:16" (3/4) ... [2023-11-26 11:54:22,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:54:22,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:22,033 INFO L158 Benchmark]: Toolchain (without parser) took 9938.67ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 83.4MB in the beginning and 202.9MB in the end (delta: -119.5MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,034 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 211.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.36ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.2MB in the beginning and 96.9MB in the end (delta: -13.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 419.19ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 74.2MB in the end (delta: 22.7MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,035 INFO L158 Benchmark]: Boogie Preprocessor took 469.44ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 70.7MB in the end (delta: 3.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,035 INFO L158 Benchmark]: RCFGBuilder took 2964.98ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 70.7MB in the beginning and 73.4MB in the end (delta: -2.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:22,036 INFO L158 Benchmark]: TraceAbstraction took 5174.86ms. Allocated memory was 226.5MB in the beginning and 343.9MB in the end (delta: 117.4MB). Free memory was 72.4MB in the beginning and 204.0MB in the end (delta: -131.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:22,036 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 343.9MB. Free memory was 204.0MB in the beginning and 202.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:22,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 211.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.36ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.2MB in the beginning and 96.9MB in the end (delta: -13.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 419.19ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 74.2MB in the end (delta: 22.7MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 469.44ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 70.7MB in the end (delta: 3.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2964.98ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 70.7MB in the beginning and 73.4MB in the end (delta: -2.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5174.86ms. Allocated memory was 226.5MB in the beginning and 343.9MB in the end (delta: 117.4MB). Free memory was 72.4MB in the beginning and 204.0MB in the end (delta: -131.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 343.9MB. Free memory was 204.0MB in the beginning and 202.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 177, overapproximation of bitwiseAnd at line 182. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_80 mask_SORT_80 = (SORT_80)-1 >> (sizeof(SORT_80) * 8 - 32); [L39] const SORT_80 msb_SORT_80 = (SORT_80)1 << (32 - 1); [L41] const SORT_91 mask_SORT_91 = (SORT_91)-1 >> (sizeof(SORT_91) * 8 - 4); [L42] const SORT_91 msb_SORT_91 = (SORT_91)1 << (4 - 1); [L44] const SORT_176 mask_SORT_176 = (SORT_176)-1 >> (sizeof(SORT_176) * 8 - 2); [L45] const SORT_176 msb_SORT_176 = (SORT_176)1 << (2 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_5 var_12 = 0; [L49] const SORT_7 var_16 = 2; [L50] const SORT_1 var_19 = 0; [L51] const SORT_3 var_23 = 0; [L52] const SORT_1 var_39 = 1; [L53] const SORT_7 var_59 = 1; [L54] const SORT_7 var_64 = 4; [L55] const SORT_7 var_66 = 5; [L56] const SORT_7 var_70 = 3; [L57] const SORT_80 var_82 = 0; [L58] const SORT_7 var_108 = 7; [L59] const SORT_7 var_113 = 6; [L60] const SORT_3 var_140 = 2; [L61] const SORT_3 var_185 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_173; [L67] SORT_3 input_174; [L68] SORT_3 input_175; [L69] SORT_3 input_184; [L70] SORT_3 input_194; [L71] SORT_3 input_195; [L72] SORT_3 input_196; [L73] SORT_3 input_199; [L74] SORT_3 input_218; [L75] SORT_3 input_219; [L76] SORT_3 input_220; [L77] SORT_3 input_223; [L78] SORT_3 input_225; [L79] SORT_176 input_239; [L80] SORT_176 input_240; [L81] SORT_176 input_241; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L84] SORT_5 state_13 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L85] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L86] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L87] SORT_3 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L88] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L89] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L90] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L91] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L92] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L93] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L94] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L95] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_5 init_14_arg_1 = var_12; [L100] state_13 = init_14_arg_1 [L101] SORT_1 init_21_arg_1 = var_19; [L102] state_20 = init_21_arg_1 [L103] SORT_3 init_25_arg_1 = var_23; [L104] state_24 = init_25_arg_1 [L105] SORT_3 init_27_arg_1 = var_23; [L106] state_26 = init_27_arg_1 [L107] SORT_3 init_33_arg_1 = var_23; [L108] state_32 = init_33_arg_1 [L109] SORT_3 init_44_arg_1 = var_23; [L110] state_43 = init_44_arg_1 [L111] SORT_3 init_46_arg_1 = var_23; [L112] state_45 = init_46_arg_1 [L113] SORT_3 init_48_arg_1 = var_23; [L114] state_47 = init_48_arg_1 [L115] SORT_3 init_50_arg_1 = var_23; [L116] state_49 = init_50_arg_1 [L117] SORT_3 init_52_arg_1 = var_23; [L118] state_51 = init_52_arg_1 [L119] SORT_3 init_54_arg_1 = var_23; [L120] state_53 = init_54_arg_1 [L121] SORT_3 init_56_arg_1 = var_23; [L122] state_55 = init_56_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_173 = __VERIFIER_nondet_uchar() [L129] input_174 = __VERIFIER_nondet_uchar() [L130] input_175 = __VERIFIER_nondet_uchar() [L131] input_184 = __VERIFIER_nondet_uchar() [L132] input_194 = __VERIFIER_nondet_uchar() [L133] input_195 = __VERIFIER_nondet_uchar() [L134] input_196 = __VERIFIER_nondet_uchar() [L135] input_199 = __VERIFIER_nondet_uchar() [L136] input_218 = __VERIFIER_nondet_uchar() [L137] input_219 = __VERIFIER_nondet_uchar() [L138] input_220 = __VERIFIER_nondet_uchar() [L139] input_223 = __VERIFIER_nondet_uchar() [L140] input_225 = __VERIFIER_nondet_uchar() [L141] input_239 = __VERIFIER_nondet_uchar() [L142] input_240 = __VERIFIER_nondet_uchar() [L143] input_241 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 2; [L148] SORT_5 var_15_arg_0 = state_13; [L149] SORT_7 var_15 = var_15_arg_0 >> 9; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] EXPR var_15 & mask_SORT_7 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] var_15 = var_15 & mask_SORT_7 [L151] SORT_7 var_17_arg_0 = var_15; [L152] SORT_7 var_17_arg_1 = var_16; [L153] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L154] SORT_1 var_18_arg_0 = var_11; [L155] SORT_1 var_18_arg_1 = var_17; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] EXPR var_18_arg_0 & var_18_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L157] SORT_1 var_22_arg_0 = var_18; [L158] SORT_1 var_22_arg_1 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] EXPR var_22_arg_0 & var_22_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L160] SORT_3 var_28_arg_0 = state_24; [L161] SORT_3 var_28_arg_1 = state_26; [L162] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L163] SORT_1 var_29_arg_0 = var_28; [L164] SORT_1 var_29 = ~var_29_arg_0; [L165] SORT_1 var_30_arg_0 = var_22; [L166] SORT_1 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L168] SORT_1 var_31_arg_0 = var_30; [L169] SORT_1 var_31 = ~var_31_arg_0; [L170] SORT_3 var_34_arg_0 = state_32; [L171] SORT_3 var_34_arg_1 = state_26; [L172] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L173] SORT_1 var_35_arg_0 = var_34; [L174] SORT_1 var_35 = ~var_35_arg_0; [L175] SORT_1 var_36_arg_0 = var_31; [L176] SORT_1 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L178] SORT_1 var_40_arg_0 = var_36; [L179] SORT_1 var_40 = ~var_40_arg_0; [L180] SORT_1 var_41_arg_0 = var_39; [L181] SORT_1 var_41_arg_1 = var_40; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] EXPR var_41_arg_0 & var_41_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L183] EXPR var_41 & mask_SORT_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_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, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41=1, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L183] var_41 = var_41 & mask_SORT_1 [L184] SORT_1 bad_42_arg_0 = var_41; [L185] CALL __VERIFIER_assert(!(bad_42_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, 411 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7315 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7315 mSDsluCounter, 13861 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10542 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3319 mSDtfsCounter, 278 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=435occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1845 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:54:22,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:24,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:24,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-26 11:54:24,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:24,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:24,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:24,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:24,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:24,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:24,893 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:24,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:24,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:24,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:24,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:24,897 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:24,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:24,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:24,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:24,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:24,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:24,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:24,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:54:24,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:54:24,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:54:24,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:24,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:24,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:24,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:24,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:24,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:24,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:24,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:24,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:24,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:24,907 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:54:24,908 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:54:24,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:24,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:24,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:24,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:24,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:24,910 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:54:24,910 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-26 11:54:25,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:25,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:25,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:25,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:25,382 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:25,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:28,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:29,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:29,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:29,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/0794171e7/82119c50baa244f397c75d3e3ab751c7/FLAG789b1b7c0 [2023-11-26 11:54:29,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/data/0794171e7/82119c50baa244f397c75d3e3ab751c7 [2023-11-26 11:54:29,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:29,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:29,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:29,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:29,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:29,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:29" (1/1) ... [2023-11-26 11:54:29,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f91e428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:29, skipping insertion in model container [2023-11-26 11:54:29,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:29" (1/1) ... [2023-11-26 11:54:29,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:29,408 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_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-26 11:54:29,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:29,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:29,842 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_5badad92-1b8a-47ec-931b-1b8626889ad9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-26 11:54:29,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:30,003 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:30,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30 WrapperNode [2023-11-26 11:54:30,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:30,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:30,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:30,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:30,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,163 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1088 [2023-11-26 11:54:30,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:30,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:30,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:30,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:30,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,256 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:54:30,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:30,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:30,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:30,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:30,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (1/1) ... [2023-11-26 11:54:30,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:30,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:30,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:30,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:30,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:54:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:30,802 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:30,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:32,413 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:32,485 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:32,485 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:54:32,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:32 BoogieIcfgContainer [2023-11-26 11:54:32,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:32,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:32,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:32,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:32,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:29" (1/3) ... [2023-11-26 11:54:32,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5869ebe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:32, skipping insertion in model container [2023-11-26 11:54:32,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:30" (2/3) ... [2023-11-26 11:54:32,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5869ebe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:32, skipping insertion in model container [2023-11-26 11:54:32,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:32" (3/3) ... [2023-11-26 11:54:32,509 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-26 11:54:32,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:32,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:54:32,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:32,598 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=PETRI_NET, 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;@1fc3f59d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:32,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:54:32,604 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) [2023-11-26 11:54:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 11:54:32,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:32,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 11:54:32,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:32,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:32,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-26 11:54:32,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:32,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500507037] [2023-11-26 11:54:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:32,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:32,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:32,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:32,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:54:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:32,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 11:54:32,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:33,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:54:33,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:33,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500507037] [2023-11-26 11:54:33,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500507037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:33,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:33,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:33,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964587405] [2023-11-26 11:54:33,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:33,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:33,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:54:33,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:33,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:33,258 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) [2023-11-26 11:54:33,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:33,536 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-26 11:54:33,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:33,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-26 11:54:33,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:33,546 INFO L225 Difference]: With dead ends: 16 [2023-11-26 11:54:33,546 INFO L226 Difference]: Without dead ends: 9 [2023-11-26 11:54:33,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:33,552 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:33,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:54:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-26 11:54:33,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-26 11:54:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-26 11:54:33,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-26 11:54:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:33,590 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-26 11:54:33,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-26 11:54:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 11:54:33,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:33,591 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-26 11:54:33,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:33,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:33,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:33,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:33,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-26 11:54:33,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:33,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490304816] [2023-11-26 11:54:33,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:33,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:33,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:33,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:33,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:54:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:35,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-26 11:54:35,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:35,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:35,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:35,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490304816] [2023-11-26 11:54:35,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490304816] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:35,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:54:35,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-26 11:54:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954153599] [2023-11-26 11:54:35,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:35,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:54:35,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:54:35,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:54:35,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:54:35,786 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:36,208 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-26 11:54:36,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:54:36,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-26 11:54:36,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:36,210 INFO L225 Difference]: With dead ends: 14 [2023-11-26 11:54:36,210 INFO L226 Difference]: Without dead ends: 12 [2023-11-26 11:54:36,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:54:36,212 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:36,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 11:54:36,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-26 11:54:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-26 11:54:36,218 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) [2023-11-26 11:54:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-26 11:54:36,220 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-26 11:54:36,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:36,220 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-26 11:54:36,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-26 11:54:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 11:54:36,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:36,223 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-26 11:54:36,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:36,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:36,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:36,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:36,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-26 11:54:36,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:36,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232889100] [2023-11-26 11:54:36,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:54:36,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:36,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:36,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:36,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/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)] Waiting until timeout for monitored process [2023-11-26 11:54:39,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:54:39,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:40,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-26 11:54:40,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:40,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:44,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:44,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232889100] [2023-11-26 11:54:44,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232889100] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:54:44,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:54:44,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-26 11:54:44,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363468731] [2023-11-26 11:54:44,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:54:44,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 11:54:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:54:44,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 11:54:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:54:44,858 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:45,508 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-26 11:54:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:54:45,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-26 11:54:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:45,510 INFO L225 Difference]: With dead ends: 17 [2023-11-26 11:54:45,510 INFO L226 Difference]: Without dead ends: 15 [2023-11-26 11:54:45,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:54:45,512 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:45,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 11:54:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-26 11:54:45,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-26 11:54:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-26 11:54:45,518 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-26 11:54:45,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:45,519 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-26 11:54:45,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-26 11:54:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 11:54:45,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:45,520 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-26 11:54:45,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:45,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:45,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:45,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-26 11:54:45,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:45,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469234870] [2023-11-26 11:54:45,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:54:45,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:54:45,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:45,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:54:45,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5badad92-1b8a-47ec-931b-1b8626889ad9/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-26 11:54:48,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-26 11:54:48,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:54:48,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-26 11:54:48,173 INFO L285 TraceCheckSpWp]: Computing forward predicates...