./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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_027a844d-3dca-4518-8b15-8aca427bf495/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 f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:21,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:21,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:50:21,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:21,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:21,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:21,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:21,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:21,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:50:21,947 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:50:21,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:21,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:21,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:21,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:21,951 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:21,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:21,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:21,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:50:21,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:21,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:21,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:21,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:21,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:21,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:21,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:21,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:21,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:50:21,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:21,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:21,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:21,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:21,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:21,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:50:21,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:50:21,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:21,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:21,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:21,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:21,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:21,970 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_027a844d-3dca-4518-8b15-8aca427bf495/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-26 10:50:22,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:22,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:22,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:22,389 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:22,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:22,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:25,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:26,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:26,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:26,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/ef68ff5b2/27a1f3fccf4c4dba952fd970522dca66/FLAGceb8e3c72 [2023-11-26 10:50:26,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/ef68ff5b2/27a1f3fccf4c4dba952fd970522dca66 [2023-11-26 10:50:26,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:26,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:26,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:26,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:26,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:26,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:26" (1/1) ... [2023-11-26 10:50:26,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f14f0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:26, skipping insertion in model container [2023-11-26 10:50:26,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:26" (1/1) ... [2023-11-26 10:50:26,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:26,442 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_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-26 10:50:26,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:26,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:26,862 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_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-26 10:50:27,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:27,028 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:27,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27 WrapperNode [2023-11-26 10:50:27,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:27,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:27,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:27,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:27,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,449 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2359 [2023-11-26 10:50:27,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:27,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:27,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:27,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:27,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,600 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 10:50:27,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:27,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:27,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:27,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:27,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (1/1) ... [2023-11-26 10:50:27,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:27,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:28,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:50:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:28,452 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:28,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:30,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:30,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:30,871 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:50:30,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:30 BoogieIcfgContainer [2023-11-26 10:50:30,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:30,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:30,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:30,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:30,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:26" (1/3) ... [2023-11-26 10:50:30,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce0c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:30, skipping insertion in model container [2023-11-26 10:50:30,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:27" (2/3) ... [2023-11-26 10:50:30,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce0c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:30, skipping insertion in model container [2023-11-26 10:50:30,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:30" (3/3) ... [2023-11-26 10:50:30,888 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:30,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:30,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:50:30,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:30,997 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;@473655fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:30,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:50:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 391 states have (on average 1.6675191815856778) internal successors, (652), 392 states have internal predecessors, (652), 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 10:50:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-26 10:50:31,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:31,018 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] [2023-11-26 10:50:31,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:31,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1775486668, now seen corresponding path program 1 times [2023-11-26 10:50:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:31,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000751567] [2023-11-26 10:50:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:31,828 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 10:50:31,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:31,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000751567] [2023-11-26 10:50:31,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000751567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:31,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:50:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308882247] [2023-11-26 10:50:31,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:31,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:50:31,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:50:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:50:31,895 INFO L87 Difference]: Start difference. First operand has 393 states, 391 states have (on average 1.6675191815856778) internal successors, (652), 392 states have internal predecessors, (652), 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 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 10:50:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:32,051 INFO L93 Difference]: Finished difference Result 746 states and 1240 transitions. [2023-11-26 10:50:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:50:32,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2023-11-26 10:50:32,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:32,078 INFO L225 Difference]: With dead ends: 746 [2023-11-26 10:50:32,078 INFO L226 Difference]: Without dead ends: 393 [2023-11-26 10:50:32,083 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 10:50:32,087 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1930 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 10:50:32,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1930 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:50:32,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-26 10:50:32,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2023-11-26 10:50:32,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.6581632653061225) internal successors, (650), 392 states have internal predecessors, (650), 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 10:50:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 650 transitions. [2023-11-26 10:50:32,154 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 650 transitions. Word has length 36 [2023-11-26 10:50:32,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:32,154 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 650 transitions. [2023-11-26 10:50:32,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 10:50:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 650 transitions. [2023-11-26 10:50:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 10:50:32,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:32,157 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] [2023-11-26 10:50:32,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:50:32,158 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:32,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:32,159 INFO L85 PathProgramCache]: Analyzing trace with hash -792763000, now seen corresponding path program 1 times [2023-11-26 10:50:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202202617] [2023-11-26 10:50:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:32,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:32,326 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 10:50:32,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:32,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202202617] [2023-11-26 10:50:32,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202202617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:32,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:32,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:50:32,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56225271] [2023-11-26 10:50:32,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:32,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:50:32,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:32,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:50:32,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:50:32,331 INFO L87 Difference]: Start difference. First operand 393 states and 650 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 10:50:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:32,380 INFO L93 Difference]: Finished difference Result 749 states and 1238 transitions. [2023-11-26 10:50:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:50:32,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2023-11-26 10:50:32,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:32,385 INFO L225 Difference]: With dead ends: 749 [2023-11-26 10:50:32,385 INFO L226 Difference]: Without dead ends: 396 [2023-11-26 10:50:32,387 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 10:50:32,388 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1928 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 10:50:32,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1928 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:50:32,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-26 10:50:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2023-11-26 10:50:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 394 states have (on average 1.6548223350253808) internal successors, (652), 394 states have internal predecessors, (652), 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 10:50:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 652 transitions. [2023-11-26 10:50:32,413 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 652 transitions. Word has length 37 [2023-11-26 10:50:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:32,414 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 652 transitions. [2023-11-26 10:50:32,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 10:50:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 652 transitions. [2023-11-26 10:50:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:50:32,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:32,416 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] [2023-11-26 10:50:32,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:50:32,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:32,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:32,418 INFO L85 PathProgramCache]: Analyzing trace with hash 983718502, now seen corresponding path program 1 times [2023-11-26 10:50:32,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:32,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378729062] [2023-11-26 10:50:32,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:32,858 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 10:50:32,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:32,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378729062] [2023-11-26 10:50:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378729062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:32,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:32,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:50:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144597005] [2023-11-26 10:50:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:50:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:32,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:50:32,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:50:32,869 INFO L87 Difference]: Start difference. First operand 395 states and 652 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:32,937 INFO L93 Difference]: Finished difference Result 752 states and 1242 transitions. [2023-11-26 10:50:32,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:50:32,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-26 10:50:32,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:32,942 INFO L225 Difference]: With dead ends: 752 [2023-11-26 10:50:32,943 INFO L226 Difference]: Without dead ends: 397 [2023-11-26 10:50:32,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:32,947 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1774 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:32,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 715 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:50:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-26 10:50:32,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2023-11-26 10:50:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.653061224489796) internal successors, (648), 392 states have internal predecessors, (648), 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 10:50:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 648 transitions. [2023-11-26 10:50:32,983 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 648 transitions. Word has length 38 [2023-11-26 10:50:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:32,984 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 648 transitions. [2023-11-26 10:50:32,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 648 transitions. [2023-11-26 10:50:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:50:32,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:32,989 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] [2023-11-26 10:50:32,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:50:32,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:32,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1536241432, now seen corresponding path program 1 times [2023-11-26 10:50:32,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:32,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023745463] [2023-11-26 10:50:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:32,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:50:33,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:50:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:50:33,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:50:33,213 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:50:33,214 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:50:33,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:50:33,220 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:50:33,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:50:33,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-26 10:50:33,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:50:33,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-26 10:50:33,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-26 10:50:33,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 10:50:33,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 10:50:33,285 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-26 10:50:33,285 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-26 10:50:33,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-26 10:50:33,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-26 10:50:33,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-26 10:50:33,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-26 10:50:33,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 10:50:33,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-26 10:50:33,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-26 10:50:33,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-26 10:50:33,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-26 10:50:33,292 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-26 10:50:33,293 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-26 10:50:33,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-26 10:50:33,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-26 10:50:33,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-26 10:50:33,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-26 10:50:33,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-26 10:50:33,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-26 10:50:33,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-26 10:50:33,301 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-26 10:50:33,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-26 10:50:33,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-26 10:50:33,305 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-26 10:50:33,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:50:33 BoogieIcfgContainer [2023-11-26 10:50:33,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:50:33,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:50:33,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:50:33,326 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:50:33,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:30" (3/4) ... [2023-11-26 10:50:33,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:50:33,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:50:33,334 INFO L158 Benchmark]: Toolchain (without parser) took 7153.93ms. Allocated memory was 157.3MB in the beginning and 352.3MB in the end (delta: 195.0MB). Free memory was 124.7MB in the beginning and 206.1MB in the end (delta: -81.3MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,334 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:33,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.49ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 80.1MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 419.51ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 81.1MB in the end (delta: -950.5kB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,339 INFO L158 Benchmark]: Boogie Preprocessor took 462.97ms. Allocated memory is still 157.3MB. Free memory was 81.1MB in the beginning and 88.8MB in the end (delta: -7.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,340 INFO L158 Benchmark]: RCFGBuilder took 2958.38ms. Allocated memory was 157.3MB in the beginning and 266.3MB in the end (delta: 109.1MB). Free memory was 88.8MB in the beginning and 125.2MB in the end (delta: -36.4MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,340 INFO L158 Benchmark]: TraceAbstraction took 2447.83ms. Allocated memory was 266.3MB in the beginning and 352.3MB in the end (delta: 86.0MB). Free memory was 124.2MB in the beginning and 206.1MB in the end (delta: -81.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-26 10:50:33,341 INFO L158 Benchmark]: Witness Printer took 7.89ms. Allocated memory is still 352.3MB. Free memory is still 206.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:33,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.49ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 80.1MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 419.51ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 81.1MB in the end (delta: -950.5kB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 462.97ms. Allocated memory is still 157.3MB. Free memory was 81.1MB in the beginning and 88.8MB in the end (delta: -7.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2958.38ms. Allocated memory was 157.3MB in the beginning and 266.3MB in the end (delta: 109.1MB). Free memory was 88.8MB in the beginning and 125.2MB in the end (delta: -36.4MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2447.83ms. Allocated memory was 266.3MB in the beginning and 352.3MB in the end (delta: 86.0MB). Free memory was 124.2MB in the beginning and 206.1MB in the end (delta: -81.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 7.89ms. Allocated memory is still 352.3MB. Free memory is still 206.1MB. 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~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 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~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 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~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 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~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 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 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 bitwiseAnd at line 166. 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_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 3); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (3 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 2); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (2 - 1); [L41] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 32); [L42] const SORT_73 msb_SORT_73 = (SORT_73)1 << (32 - 1); [L44] const SORT_179 mask_SORT_179 = (SORT_179)-1 >> (sizeof(SORT_179) * 8 - 4); [L45] const SORT_179 msb_SORT_179 = (SORT_179)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 0; [L49] const SORT_1 var_23 = 1; [L50] const SORT_5 var_35 = 0; [L51] const SORT_44 var_45 = 0; [L52] const SORT_44 var_49 = 2; [L53] const SORT_44 var_53 = 1; [L54] const SORT_44 var_58 = 4; [L55] const SORT_44 var_60 = 5; [L56] const SORT_44 var_64 = 3; [L57] const SORT_73 var_75 = 0; [L58] const SORT_3 var_82 = 31; [L59] const SORT_44 var_272 = 7; [L60] const SORT_44 var_277 = 6; [L61] const SORT_3 var_330 = 2; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_68; [L67] SORT_3 input_69; [L68] SORT_3 input_70; [L69] SORT_3 input_81; [L70] SORT_3 input_91; [L71] SORT_3 input_92; [L72] SORT_3 input_93; [L73] SORT_3 input_96; [L74] SORT_3 input_115; [L75] SORT_3 input_116; [L76] SORT_3 input_117; [L77] SORT_3 input_120; [L78] SORT_3 input_122; [L79] SORT_71 input_136; [L80] SORT_71 input_137; [L81] SORT_71 input_138; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L83] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L84] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L85] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L86] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L87] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L88] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L89] SORT_3 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L90] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L91] SORT_5 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L92] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L93] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L94] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_44 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L95] SORT_44 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_44; [L97] SORT_3 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_3 init_11_arg_1 = var_7; [L100] state_10 = init_11_arg_1 [L101] SORT_3 init_15_arg_1 = var_7; [L102] state_14 = init_15_arg_1 [L103] SORT_3 init_17_arg_1 = var_7; [L104] state_16 = init_17_arg_1 [L105] SORT_3 init_28_arg_1 = var_7; [L106] state_27 = init_28_arg_1 [L107] SORT_3 init_30_arg_1 = var_7; [L108] state_29 = init_30_arg_1 [L109] SORT_3 init_32_arg_1 = var_7; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_12; [L112] state_33 = init_34_arg_1 [L113] SORT_5 init_37_arg_1 = var_35; [L114] state_36 = init_37_arg_1 [L115] SORT_3 init_39_arg_1 = var_7; [L116] state_38 = init_39_arg_1 [L117] SORT_3 init_41_arg_1 = var_7; [L118] state_40 = init_41_arg_1 [L119] SORT_3 init_43_arg_1 = var_7; [L120] state_42 = init_43_arg_1 [L121] SORT_44 init_47_arg_1 = var_45; [L122] state_46 = init_47_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_68 = __VERIFIER_nondet_uchar() [L129] input_69 = __VERIFIER_nondet_uchar() [L130] input_70 = __VERIFIER_nondet_uchar() [L131] input_81 = __VERIFIER_nondet_uchar() [L132] input_91 = __VERIFIER_nondet_uchar() [L133] input_92 = __VERIFIER_nondet_uchar() [L134] input_93 = __VERIFIER_nondet_uchar() [L135] input_96 = __VERIFIER_nondet_uchar() [L136] input_115 = __VERIFIER_nondet_uchar() [L137] input_116 = __VERIFIER_nondet_uchar() [L138] input_117 = __VERIFIER_nondet_uchar() [L139] input_120 = __VERIFIER_nondet_uchar() [L140] input_122 = __VERIFIER_nondet_uchar() [L141] input_136 = __VERIFIER_nondet_uchar() [L142] input_137 = __VERIFIER_nondet_uchar() [L143] input_138 = __VERIFIER_nondet_uchar() [L146] SORT_1 var_18_arg_0 = var_12; [L147] SORT_3 var_18_arg_1 = state_16; [L148] SORT_3 var_18_arg_2 = state_14; [L149] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = state_10; [L152] SORT_3 var_13_arg_2 = state_8; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_19_arg_0 = var_12; [L155] SORT_3 var_19_arg_1 = var_18; [L156] SORT_3 var_19_arg_2 = var_13; [L157] SORT_3 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] EXPR var_19 & mask_SORT_3 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] var_19 = var_19 & mask_SORT_3 [L159] SORT_3 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_7; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_1 var_24_arg_0 = var_20; [L163] SORT_1 var_24 = ~var_24_arg_0; [L164] SORT_1 var_25_arg_0 = var_23; [L165] SORT_1 var_25_arg_1 = var_24; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] EXPR var_25_arg_0 & var_25_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] SORT_1 var_25 = var_25_arg_0 & var_25_arg_1; [L167] EXPR var_25 & mask_SORT_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L167] var_25 = var_25 & mask_SORT_1 [L168] SORT_1 bad_26_arg_0 = var_25; [L169] CALL __VERIFIER_assert(!(bad_26_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, 393 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1776 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1776 mSDsluCounter, 4573 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2638 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1935 mSDtfsCounter, 35 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 10:50:33,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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_027a844d-3dca-4518-8b15-8aca427bf495/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 f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:36,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:36,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-26 10:50:36,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:36,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:36,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:36,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:36,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:36,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:50:36,382 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:50:36,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:36,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:36,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:36,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:36,386 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:36,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:36,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:36,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:36,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:36,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:36,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:36,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:50:36,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:50:36,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:50:36,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:36,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:36,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:36,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:36,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:50:36,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:36,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:36,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:36,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:36,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:36,396 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:50:36,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:50:36,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:36,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:36,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:36,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:36,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:36,400 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:50:36,400 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_027a844d-3dca-4518-8b15-8aca427bf495/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-26 10:50:36,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:36,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:36,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:36,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:36,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:36,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:40,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:40,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:40,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:40,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/1fb343743/9114a45afb144057999821912ac247f5/FLAG9dada4464 [2023-11-26 10:50:40,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/data/1fb343743/9114a45afb144057999821912ac247f5 [2023-11-26 10:50:40,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:40,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:40,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:40,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:40,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:40,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:40" (1/1) ... [2023-11-26 10:50:40,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56978966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:40, skipping insertion in model container [2023-11-26 10:50:40,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:40" (1/1) ... [2023-11-26 10:50:40,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:40,769 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_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-26 10:50:41,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:41,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:41,159 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_027a844d-3dca-4518-8b15-8aca427bf495/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-26 10:50:41,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:41,339 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:41,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41 WrapperNode [2023-11-26 10:50:41,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:41,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:41,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:41,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:41,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,480 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1075 [2023-11-26 10:50:41,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:41,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:41,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:41,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:41,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,574 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 10:50:41,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:41,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:41,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:41,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:41,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (1/1) ... [2023-11-26 10:50:41,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:41,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:41,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:41,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:50:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:42,054 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:42,062 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:43,830 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:43,924 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:43,926 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:50:43,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:43 BoogieIcfgContainer [2023-11-26 10:50:43,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:43,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:43,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:43,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:43,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:40" (1/3) ... [2023-11-26 10:50:43,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58edb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:43, skipping insertion in model container [2023-11-26 10:50:43,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:41" (2/3) ... [2023-11-26 10:50:43,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58edb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:43, skipping insertion in model container [2023-11-26 10:50:43,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:43" (3/3) ... [2023-11-26 10:50:43,943 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-26 10:50:43,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:43,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:50:44,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:44,050 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;@41f44f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:44,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:50:44,056 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 10:50:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 10:50:44,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:44,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 10:50:44,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:44,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:44,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-26 10:50:44,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:44,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970281405] [2023-11-26 10:50:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:44,093 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 10:50:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:44,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:44,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:44,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-26 10:50:44,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:44,855 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 10:50:44,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:50:44,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:50:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970281405] [2023-11-26 10:50:44,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970281405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:44,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:44,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:50:44,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20958748] [2023-11-26 10:50:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:44,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:50:44,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:50:44,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:50:44,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:50:44,911 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 10:50:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:50:45,182 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-26 10:50:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:50:45,185 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 10:50:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:50:45,194 INFO L225 Difference]: With dead ends: 16 [2023-11-26 10:50:45,194 INFO L226 Difference]: Without dead ends: 9 [2023-11-26 10:50:45,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:50:45,201 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, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:50:45,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:50:45,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-26 10:50:45,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-26 10:50:45,237 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 10:50:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-26 10:50:45,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-26 10:50:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:50:45,240 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-26 10:50:45,241 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 10:50:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-26 10:50:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 10:50:45,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:45,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-26 10:50:45,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:45,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:45,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:45,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-26 10:50:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:45,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335164165] [2023-11-26 10:50:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:45,448 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 10:50:45,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:45,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:45,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_027a844d-3dca-4518-8b15-8aca427bf495/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 10:50:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:46,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-26 10:50:46,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:50:50,058 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 10:50:50,059 INFO L327 TraceCheckSpWp]: Computing backward predicates...