./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX --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 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:15:15,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:15:15,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:15:15,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:15:15,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:15:15,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:15:15,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:15:15,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:15:15,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:15:15,641 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:15:15,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:15:15,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:15:15,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:15:15,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:15:15,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:15:15,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:15:15,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:15:15,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:15:15,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:15:15,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:15:15,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:15:15,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:15:15,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:15:15,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:15:15,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:15:15,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:15:15,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:15:15,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:15:15,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:15:15,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:15:15,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:15:15,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:15:15,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:15:15,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:15:15,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:15:15,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:15:15,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:15:15,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:15:15,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:15:15,659 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_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2024-11-08 17:15:15,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:15:15,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:15:16,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:15:16,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:15:16,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:15:16,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 17:15:18,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:15:18,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:15:18,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-08 17:15:18,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/7b32ff1f1/88e85937a733436090d50d62358b6535/FLAGcc56d8532 [2024-11-08 17:15:18,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/7b32ff1f1/88e85937a733436090d50d62358b6535 [2024-11-08 17:15:18,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:15:18,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:15:18,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:15:18,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:15:18,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:15:18,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:18" (1/1) ... [2024-11-08 17:15:18,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225d75a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:18, skipping insertion in model container [2024-11-08 17:15:18,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:18" (1/1) ... [2024-11-08 17:15:18,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:15:19,062 WARN L250 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_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-08 17:15:19,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:15:19,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:15:19,803 WARN L250 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_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-08 17:15:19,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:15:20,067 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:15:20,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20 WrapperNode [2024-11-08 17:15:20,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:15:20,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:15:20,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:15:20,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:15:20,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:20,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:21,208 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7299 [2024-11-08 17:15:21,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:15:21,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:15:21,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:15:21,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:15:21,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:21,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:21,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:21,948 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]. [2024-11-08 17:15:21,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:21,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:15:22,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:15:22,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:15:22,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:15:22,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (1/1) ... [2024-11-08 17:15:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:15:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:15:22,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:15:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:15:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:15:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:15:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:15:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:15:23,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:15:23,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:15:34,344 INFO L? ?]: Removed 4120 outVars from TransFormulas that were not future-live. [2024-11-08 17:15:34,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:15:34,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:15:34,414 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:15:34,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:15:34 BoogieIcfgContainer [2024-11-08 17:15:34,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:15:34,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:15:34,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:15:34,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:15:34,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:15:18" (1/3) ... [2024-11-08 17:15:34,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f954236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:15:34, skipping insertion in model container [2024-11-08 17:15:34,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:20" (2/3) ... [2024-11-08 17:15:34,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f954236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:15:34, skipping insertion in model container [2024-11-08 17:15:34,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:15:34" (3/3) ... [2024-11-08 17:15:34,431 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-08 17:15:34,450 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:15:34,451 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:15:34,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:15:34,603 INFO L333 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, 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;@17c1c762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:15:34,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:15:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 2559 states, 2557 states have (on average 1.5021509581540868) internal successors, (3841), 2558 states have internal predecessors, (3841), 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) [2024-11-08 17:15:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:15:34,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:34,640 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 17:15:34,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:34,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:34,646 INFO L85 PathProgramCache]: Analyzing trace with hash 880610808, now seen corresponding path program 1 times [2024-11-08 17:15:34,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:34,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719976249] [2024-11-08 17:15:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:34,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:35,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:35,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719976249] [2024-11-08 17:15:35,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719976249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:35,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:35,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:15:35,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553387595] [2024-11-08 17:15:35,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:35,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:15:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:36,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:15:36,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:15:36,032 INFO L87 Difference]: Start difference. First operand has 2559 states, 2557 states have (on average 1.5021509581540868) internal successors, (3841), 2558 states have internal predecessors, (3841), 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 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2024-11-08 17:15:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:36,281 INFO L93 Difference]: Finished difference Result 4982 states and 7482 transitions. [2024-11-08 17:15:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:15:36,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 131 [2024-11-08 17:15:36,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:36,322 INFO L225 Difference]: With dead ends: 4982 [2024-11-08 17:15:36,322 INFO L226 Difference]: Without dead ends: 2557 [2024-11-08 17:15:36,335 INFO L431 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 [2024-11-08 17:15:36,340 INFO L432 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7660 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11493 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:36,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11493 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:15:36,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2024-11-08 17:15:36,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2557. [2024-11-08 17:15:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.5011737089201878) internal successors, (3837), 2556 states have internal predecessors, (3837), 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) [2024-11-08 17:15:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3837 transitions. [2024-11-08 17:15:36,522 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3837 transitions. Word has length 131 [2024-11-08 17:15:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:36,526 INFO L471 AbstractCegarLoop]: Abstraction has 2557 states and 3837 transitions. [2024-11-08 17:15:36,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2024-11-08 17:15:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3837 transitions. [2024-11-08 17:15:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:15:36,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:36,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 17:15:36,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:15:36,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:36,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1530827248, now seen corresponding path program 1 times [2024-11-08 17:15:36,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:36,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95793137] [2024-11-08 17:15:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:37,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:37,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95793137] [2024-11-08 17:15:37,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95793137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:37,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:37,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:15:37,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911210119] [2024-11-08 17:15:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:37,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:15:37,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:37,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:15:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:15:37,191 INFO L87 Difference]: Start difference. First operand 2557 states and 3837 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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) [2024-11-08 17:15:37,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:37,331 INFO L93 Difference]: Finished difference Result 4982 states and 7477 transitions. [2024-11-08 17:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:15:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132 [2024-11-08 17:15:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:37,343 INFO L225 Difference]: With dead ends: 4982 [2024-11-08 17:15:37,344 INFO L226 Difference]: Without dead ends: 2559 [2024-11-08 17:15:37,349 INFO L431 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 [2024-11-08 17:15:37,350 INFO L432 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7656 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11489 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 [2024-11-08 17:15:37,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11489 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:15:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2024-11-08 17:15:37,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2559. [2024-11-08 17:15:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 2558 states have (on average 1.5007818608287724) internal successors, (3839), 2558 states have internal predecessors, (3839), 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) [2024-11-08 17:15:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3839 transitions. [2024-11-08 17:15:37,410 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3839 transitions. Word has length 132 [2024-11-08 17:15:37,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:37,413 INFO L471 AbstractCegarLoop]: Abstraction has 2559 states and 3839 transitions. [2024-11-08 17:15:37,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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) [2024-11-08 17:15:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3839 transitions. [2024-11-08 17:15:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:15:37,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:37,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:37,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:15:37,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:37,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:37,417 INFO L85 PathProgramCache]: Analyzing trace with hash -886960687, now seen corresponding path program 1 times [2024-11-08 17:15:37,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:37,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143839959] [2024-11-08 17:15:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:38,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:38,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143839959] [2024-11-08 17:15:38,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143839959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:38,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:38,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:15:38,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245776246] [2024-11-08 17:15:38,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:38,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:15:38,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:38,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:15:38,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:15:38,052 INFO L87 Difference]: Start difference. First operand 2559 states and 3839 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2024-11-08 17:15:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:38,200 INFO L93 Difference]: Finished difference Result 4986 states and 7481 transitions. [2024-11-08 17:15:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:15:38,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 133 [2024-11-08 17:15:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:38,211 INFO L225 Difference]: With dead ends: 4986 [2024-11-08 17:15:38,211 INFO L226 Difference]: Without dead ends: 2561 [2024-11-08 17:15:38,214 INFO L431 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 [2024-11-08 17:15:38,217 INFO L432 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7650 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11483 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:38,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11483 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:15:38,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2024-11-08 17:15:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2561. [2024-11-08 17:15:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2560 states have (on average 1.500390625) internal successors, (3841), 2560 states have internal predecessors, (3841), 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) [2024-11-08 17:15:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3841 transitions. [2024-11-08 17:15:38,286 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3841 transitions. Word has length 133 [2024-11-08 17:15:38,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:38,287 INFO L471 AbstractCegarLoop]: Abstraction has 2561 states and 3841 transitions. [2024-11-08 17:15:38,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2024-11-08 17:15:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3841 transitions. [2024-11-08 17:15:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:15:38,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:38,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:38,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:15:38,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:38,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:38,295 INFO L85 PathProgramCache]: Analyzing trace with hash -817089897, now seen corresponding path program 1 times [2024-11-08 17:15:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340309333] [2024-11-08 17:15:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:38,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:38,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340309333] [2024-11-08 17:15:38,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340309333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:38,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:38,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:15:38,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358918657] [2024-11-08 17:15:38,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:38,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:15:38,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:38,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:15:38,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:15:38,805 INFO L87 Difference]: Start difference. First operand 2561 states and 3841 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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) [2024-11-08 17:15:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:38,983 INFO L93 Difference]: Finished difference Result 4996 states and 7493 transitions. [2024-11-08 17:15:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:15:38,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 134 [2024-11-08 17:15:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:38,993 INFO L225 Difference]: With dead ends: 4996 [2024-11-08 17:15:38,994 INFO L226 Difference]: Without dead ends: 2569 [2024-11-08 17:15:38,997 INFO L431 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 [2024-11-08 17:15:38,998 INFO L432 NwaCegarLoop]: 3833 mSDtfsCounter, 3 mSDsluCounter, 7650 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11483 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:38,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11483 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:15:39,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2024-11-08 17:15:39,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2565. [2024-11-08 17:15:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 1.500390015600624) internal successors, (3847), 2564 states have internal predecessors, (3847), 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) [2024-11-08 17:15:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3847 transitions. [2024-11-08 17:15:39,070 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3847 transitions. Word has length 134 [2024-11-08 17:15:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:39,071 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3847 transitions. [2024-11-08 17:15:39,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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) [2024-11-08 17:15:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3847 transitions. [2024-11-08 17:15:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:15:39,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:39,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:39,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:15:39,074 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:39,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1554210986, now seen corresponding path program 1 times [2024-11-08 17:15:39,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:39,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218594794] [2024-11-08 17:15:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:39,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:39,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218594794] [2024-11-08 17:15:39,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218594794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:39,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:39,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:15:39,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77514794] [2024-11-08 17:15:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:39,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:15:39,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:39,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:15:39,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:15:39,795 INFO L87 Difference]: Start difference. First operand 2565 states and 3847 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 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) [2024-11-08 17:15:44,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:44,348 INFO L93 Difference]: Finished difference Result 7411 states and 11117 transitions. [2024-11-08 17:15:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:15:44,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 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 135 [2024-11-08 17:15:44,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:44,365 INFO L225 Difference]: With dead ends: 7411 [2024-11-08 17:15:44,365 INFO L226 Difference]: Without dead ends: 4980 [2024-11-08 17:15:44,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:15:44,370 INFO L432 NwaCegarLoop]: 2909 mSDtfsCounter, 3695 mSDsluCounter, 8613 mSDsCounter, 0 mSdLazyCounter, 3619 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3695 SdHoareTripleChecker+Valid, 11522 SdHoareTripleChecker+Invalid, 3620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:44,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3695 Valid, 11522 Invalid, 3620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3619 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 17:15:44,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2024-11-08 17:15:44,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 2672. [2024-11-08 17:15:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2671 states have (on average 1.499812804193186) internal successors, (4006), 2671 states have internal predecessors, (4006), 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) [2024-11-08 17:15:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 4006 transitions. [2024-11-08 17:15:44,452 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 4006 transitions. Word has length 135 [2024-11-08 17:15:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:44,453 INFO L471 AbstractCegarLoop]: Abstraction has 2672 states and 4006 transitions. [2024-11-08 17:15:44,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 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) [2024-11-08 17:15:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 4006 transitions. [2024-11-08 17:15:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:15:44,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:44,456 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:44,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:15:44,456 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:44,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1169885306, now seen corresponding path program 1 times [2024-11-08 17:15:44,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:44,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062512228] [2024-11-08 17:15:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:45,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:45,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062512228] [2024-11-08 17:15:45,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062512228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:45,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:45,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:15:45,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182299985] [2024-11-08 17:15:45,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:45,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:15:45,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:15:45,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:15:45,312 INFO L87 Difference]: Start difference. First operand 2672 states and 4006 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2024-11-08 17:15:48,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:48,974 INFO L93 Difference]: Finished difference Result 5118 states and 7674 transitions. [2024-11-08 17:15:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:15:48,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 136 [2024-11-08 17:15:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:48,984 INFO L225 Difference]: With dead ends: 5118 [2024-11-08 17:15:48,984 INFO L226 Difference]: Without dead ends: 2687 [2024-11-08 17:15:48,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:15:48,989 INFO L432 NwaCegarLoop]: 2891 mSDtfsCounter, 3728 mSDsluCounter, 8660 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 11551 SdHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:48,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 11551 Invalid, 3790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3789 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-08 17:15:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2024-11-08 17:15:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2685. [2024-11-08 17:15:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2684 states have (on average 1.4981371087928466) internal successors, (4021), 2684 states have internal predecessors, (4021), 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) [2024-11-08 17:15:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 4021 transitions. [2024-11-08 17:15:49,050 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 4021 transitions. Word has length 136 [2024-11-08 17:15:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:49,051 INFO L471 AbstractCegarLoop]: Abstraction has 2685 states and 4021 transitions. [2024-11-08 17:15:49,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2024-11-08 17:15:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 4021 transitions. [2024-11-08 17:15:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:15:49,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:49,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:49,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:15:49,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:49,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:49,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1498479770, now seen corresponding path program 1 times [2024-11-08 17:15:49,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:49,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482153097] [2024-11-08 17:15:49,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:49,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:15:52,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:52,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482153097] [2024-11-08 17:15:52,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482153097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:52,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:52,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:15:52,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755630152] [2024-11-08 17:15:52,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:52,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:15:52,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:15:52,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:15:52,112 INFO L87 Difference]: Start difference. First operand 2685 states and 4021 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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) [2024-11-08 17:15:52,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:52,456 INFO L93 Difference]: Finished difference Result 6888 states and 10322 transitions. [2024-11-08 17:15:52,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:15:52,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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 137 [2024-11-08 17:15:52,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:52,473 INFO L225 Difference]: With dead ends: 6888 [2024-11-08 17:15:52,473 INFO L226 Difference]: Without dead ends: 4442 [2024-11-08 17:15:52,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:15:52,481 INFO L432 NwaCegarLoop]: 3812 mSDtfsCounter, 2874 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 15033 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:52,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 15033 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:15:52,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2024-11-08 17:15:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 2680. [2024-11-08 17:15:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 2679 states have (on average 1.498320268756999) internal successors, (4014), 2679 states have internal predecessors, (4014), 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) [2024-11-08 17:15:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 4014 transitions. [2024-11-08 17:15:52,573 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 4014 transitions. Word has length 137 [2024-11-08 17:15:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:52,574 INFO L471 AbstractCegarLoop]: Abstraction has 2680 states and 4014 transitions. [2024-11-08 17:15:52,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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) [2024-11-08 17:15:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 4014 transitions. [2024-11-08 17:15:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:15:52,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:52,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:52,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:15:52,578 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:52,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2068914069, now seen corresponding path program 1 times [2024-11-08 17:15:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:52,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832738591] [2024-11-08 17:15:52,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:15:52,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:15:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:15:52,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:15:52,894 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:15:52,896 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:15:52,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:15:52,903 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:53,025 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 17:15:53,063 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:15:53,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:15:53 BoogieIcfgContainer [2024-11-08 17:15:53,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:15:53,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:15:53,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:15:53,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:15:53,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:15:34" (3/4) ... [2024-11-08 17:15:53,073 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:15:53,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:15:53,075 INFO L158 Benchmark]: Toolchain (without parser) took 34355.20ms. Allocated memory was 130.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 93.3MB in the beginning and 969.4MB in the end (delta: -876.1MB). Peak memory consumption was 602.8MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,075 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:15:53,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.92ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 93.0MB in the beginning and 101.3MB in the end (delta: -8.4MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 1139.79ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 101.3MB in the beginning and 85.7MB in the end (delta: 15.6MB). Peak memory consumption was 164.6MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,076 INFO L158 Benchmark]: Boogie Preprocessor took 1353.54ms. Allocated memory was 260.0MB in the beginning and 499.1MB in the end (delta: 239.1MB). Free memory was 85.7MB in the beginning and 240.4MB in the end (delta: -154.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,077 INFO L158 Benchmark]: RCFGBuilder took 11853.23ms. Allocated memory was 499.1MB in the beginning and 998.2MB in the end (delta: 499.1MB). Free memory was 240.4MB in the beginning and 596.1MB in the end (delta: -355.7MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,077 INFO L158 Benchmark]: TraceAbstraction took 18648.24ms. Allocated memory was 998.2MB in the beginning and 1.6GB in the end (delta: 610.3MB). Free memory was 596.1MB in the beginning and 969.4MB in the end (delta: -373.3MB). Peak memory consumption was 235.9MB. Max. memory is 16.1GB. [2024-11-08 17:15:53,077 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 1.6GB. Free memory is still 969.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:15:53,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.92ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 93.0MB in the beginning and 101.3MB in the end (delta: -8.4MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1139.79ms. Allocated memory was 161.5MB in the beginning and 260.0MB in the end (delta: 98.6MB). Free memory was 101.3MB in the beginning and 85.7MB in the end (delta: 15.6MB). Peak memory consumption was 164.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1353.54ms. Allocated memory was 260.0MB in the beginning and 499.1MB in the end (delta: 239.1MB). Free memory was 85.7MB in the beginning and 240.4MB in the end (delta: -154.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * RCFGBuilder took 11853.23ms. Allocated memory was 499.1MB in the beginning and 998.2MB in the end (delta: 499.1MB). Free memory was 240.4MB in the beginning and 596.1MB in the end (delta: -355.7MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18648.24ms. Allocated memory was 998.2MB in the beginning and 1.6GB in the end (delta: 610.3MB). Free memory was 596.1MB in the beginning and 969.4MB in the end (delta: -373.3MB). Peak memory consumption was 235.9MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 1.6GB. Free memory is still 969.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 303. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_90 = 0; [L43] const SORT_2 var_92 = 6; [L44] const SORT_2 var_95 = 5; [L45] const SORT_2 var_98 = 4; [L46] const SORT_2 var_101 = 3; [L47] const SORT_2 var_104 = 2; [L48] const SORT_2 var_107 = 1; [L49] const SORT_2 var_121 = 255; [L50] const SORT_3 var_125 = 0; [L51] const SORT_4 var_129 = 255; [L53] SORT_1 input_89; [L54] SORT_1 input_91; [L55] SORT_1 input_93; [L56] SORT_1 input_94; [L57] SORT_1 input_96; [L58] SORT_1 input_97; [L59] SORT_1 input_99; [L60] SORT_1 input_100; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_105; [L64] SORT_1 input_106; [L65] SORT_1 input_122; [L66] SORT_1 input_123; [L67] SORT_1 input_124; [L68] SORT_1 input_141; [L69] SORT_1 input_142; [L70] SORT_1 input_157; [L71] SORT_1 input_158; [L72] SORT_1 input_173; [L73] SORT_1 input_174; [L74] SORT_1 input_189; [L75] SORT_1 input_190; [L76] SORT_1 input_205; [L77] SORT_1 input_206; [L78] SORT_1 input_223; [L79] SORT_1 input_231; [L80] SORT_1 input_239; [L81] SORT_1 input_247; [L82] SORT_1 input_255; [L83] SORT_1 input_263; [L84] SORT_1 input_271; [L85] SORT_1 input_279; [L86] SORT_1 input_287; [L87] SORT_1 input_295; [L88] SORT_1 input_303; [L89] SORT_1 input_311; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L91] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L92] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L93] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L94] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L95] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L96] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L97] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L98] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L99] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L100] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L101] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L102] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L103] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L104] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L105] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L106] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L107] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L108] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L109] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L110] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L111] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L112] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L113] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L114] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L115] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L116] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L117] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L118] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L119] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L120] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L121] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L122] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L123] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_1 init_22_arg_1 = var_20; [L140] state_21 = init_22_arg_1 [L141] SORT_1 init_24_arg_1 = var_20; [L142] state_23 = init_24_arg_1 [L143] SORT_1 init_26_arg_1 = var_20; [L144] state_25 = init_26_arg_1 [L145] SORT_1 init_28_arg_1 = var_20; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_20; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_20; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_20; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_20; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_20; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_20; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_20; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_20; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_20; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_20; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_20; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_20; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_20; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_20; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_20; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_20; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_20; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_20; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_20; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_20; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_20; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_20; [L190] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L193] input_89 = __VERIFIER_nondet_uchar() [L194] EXPR input_89 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L194] input_89 = input_89 & mask_SORT_1 [L195] input_91 = __VERIFIER_nondet_uchar() [L196] EXPR input_91 & mask_SORT_1 VAL [input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L196] input_91 = input_91 & mask_SORT_1 [L197] input_93 = __VERIFIER_nondet_uchar() [L198] EXPR input_93 & mask_SORT_1 VAL [input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L198] input_93 = input_93 & mask_SORT_1 [L199] input_94 = __VERIFIER_nondet_uchar() [L200] EXPR input_94 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L200] input_94 = input_94 & mask_SORT_1 [L201] input_96 = __VERIFIER_nondet_uchar() [L202] EXPR input_96 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L202] input_96 = input_96 & mask_SORT_1 [L203] input_97 = __VERIFIER_nondet_uchar() [L204] EXPR input_97 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L204] input_97 = input_97 & mask_SORT_1 [L205] input_99 = __VERIFIER_nondet_uchar() [L206] EXPR input_99 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L206] input_99 = input_99 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_102 = __VERIFIER_nondet_uchar() [L210] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L210] input_102 = input_102 & mask_SORT_1 [L211] input_103 = __VERIFIER_nondet_uchar() [L212] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_102=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L212] input_103 = input_103 & mask_SORT_1 [L213] input_105 = __VERIFIER_nondet_uchar() [L214] EXPR input_105 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L214] input_105 = input_105 & mask_SORT_1 [L215] input_106 = __VERIFIER_nondet_uchar() [L216] EXPR input_106 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L216] input_106 = input_106 & mask_SORT_1 [L217] input_122 = __VERIFIER_nondet_uchar() [L218] EXPR input_122 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L218] input_122 = input_122 & mask_SORT_1 [L219] input_123 = __VERIFIER_nondet_uchar() [L220] EXPR input_123 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L220] input_123 = input_123 & mask_SORT_1 [L221] input_124 = __VERIFIER_nondet_uchar() [L222] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L222] input_124 = input_124 & mask_SORT_1 [L223] input_141 = __VERIFIER_nondet_uchar() [L224] EXPR input_141 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L224] input_141 = input_141 & mask_SORT_1 [L225] input_142 = __VERIFIER_nondet_uchar() [L226] EXPR input_142 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L226] input_142 = input_142 & mask_SORT_1 [L227] input_157 = __VERIFIER_nondet_uchar() [L228] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L228] input_157 = input_157 & mask_SORT_1 [L229] input_158 = __VERIFIER_nondet_uchar() [L230] EXPR input_158 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L230] input_158 = input_158 & mask_SORT_1 [L231] input_173 = __VERIFIER_nondet_uchar() [L232] EXPR input_173 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L232] input_173 = input_173 & mask_SORT_1 [L233] input_174 = __VERIFIER_nondet_uchar() [L234] EXPR input_174 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L234] input_174 = input_174 & mask_SORT_1 [L235] input_189 = __VERIFIER_nondet_uchar() [L236] EXPR input_189 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L236] input_189 = input_189 & mask_SORT_1 [L237] input_190 = __VERIFIER_nondet_uchar() [L238] EXPR input_190 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L238] input_190 = input_190 & mask_SORT_1 [L239] input_205 = __VERIFIER_nondet_uchar() [L240] EXPR input_205 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L240] input_205 = input_205 & mask_SORT_1 [L241] input_206 = __VERIFIER_nondet_uchar() [L242] EXPR input_206 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L242] input_206 = input_206 & mask_SORT_1 [L243] input_223 = __VERIFIER_nondet_uchar() [L244] input_231 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_247 = __VERIFIER_nondet_uchar() [L247] input_255 = __VERIFIER_nondet_uchar() [L248] input_263 = __VERIFIER_nondet_uchar() [L249] input_271 = __VERIFIER_nondet_uchar() [L250] input_279 = __VERIFIER_nondet_uchar() [L251] input_287 = __VERIFIER_nondet_uchar() [L252] input_295 = __VERIFIER_nondet_uchar() [L253] input_303 = __VERIFIER_nondet_uchar() [L254] input_311 = __VERIFIER_nondet_uchar() [L257] SORT_1 var_75_arg_0 = state_29; [L258] SORT_4 var_75_arg_1 = var_73; [L259] SORT_4 var_75_arg_2 = var_74; [L260] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L261] SORT_1 var_76_arg_0 = state_37; [L262] SORT_4 var_76_arg_1 = var_73; [L263] SORT_4 var_76_arg_2 = var_74; [L264] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L265] SORT_4 var_77_arg_0 = var_75; [L266] SORT_4 var_77_arg_1 = var_76; [L267] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L268] SORT_1 var_78_arg_0 = state_45; [L269] SORT_4 var_78_arg_1 = var_73; [L270] SORT_4 var_78_arg_2 = var_74; [L271] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L272] SORT_4 var_79_arg_0 = var_77; [L273] SORT_4 var_79_arg_1 = var_78; [L274] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L275] SORT_1 var_80_arg_0 = state_53; [L276] SORT_4 var_80_arg_1 = var_73; [L277] SORT_4 var_80_arg_2 = var_74; [L278] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L279] SORT_4 var_81_arg_0 = var_79; [L280] SORT_4 var_81_arg_1 = var_80; [L281] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; [L282] SORT_1 var_82_arg_0 = state_61; [L283] SORT_4 var_82_arg_1 = var_73; [L284] SORT_4 var_82_arg_2 = var_74; [L285] SORT_4 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L286] SORT_4 var_83_arg_0 = var_81; [L287] SORT_4 var_83_arg_1 = var_82; [L288] SORT_4 var_83 = var_83_arg_0 + var_83_arg_1; [L289] SORT_1 var_84_arg_0 = state_69; [L290] SORT_4 var_84_arg_1 = var_73; [L291] SORT_4 var_84_arg_2 = var_74; [L292] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L293] SORT_4 var_85_arg_0 = var_83; [L294] SORT_4 var_85_arg_1 = var_84; [L295] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_85=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] EXPR var_85 & mask_SORT_4 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] var_85 = var_85 & mask_SORT_4 [L297] SORT_4 var_86_arg_0 = var_85; [L298] SORT_4 var_86_arg_1 = var_73; [L299] SORT_1 var_86 = var_86_arg_0 <= var_86_arg_1; [L300] SORT_1 var_87_arg_0 = ~state_71; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_87_arg_0=-1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] EXPR var_87_arg_0 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] var_87_arg_0 = var_87_arg_0 & mask_SORT_1 [L302] SORT_1 var_87_arg_1 = ~var_86; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_87_arg_1=-2, var_90=0, var_92=6, var_95=5, var_98=4] [L303] EXPR var_87_arg_1 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_90=0, var_92=6, var_95=5, var_98=4] [L303] var_87_arg_1 = var_87_arg_1 & mask_SORT_1 [L304] EXPR var_87_arg_0 & var_87_arg_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L304] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L305] EXPR var_87 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L305] var_87 = var_87 & mask_SORT_1 [L306] SORT_1 bad_88_arg_0 = var_87; [L307] CALL __VERIFIER_assert(!(bad_88_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2559 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10300 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10300 mSDsluCounter, 84054 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59110 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7584 IncrementalHoareTripleChecker+Invalid, 7586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24944 mSDtfsCounter, 7584 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2685occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 4076 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1075 NumberOfCodeBlocks, 1075 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 3916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2024-11-08 17:15:53,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX --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 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:15:55,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:15:55,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-08 17:15:55,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:15:55,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:15:55,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:15:55,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:15:55,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:15:55,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:15:55,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:15:55,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:15:55,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:15:55,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:15:55,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:15:55,893 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:15:55,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:15:55,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:15:55,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:15:55,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:15:55,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:15:55,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:15:55,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:15:55,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:15:55,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:15:55,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:15:55,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:15:55,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:15:55,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:15:55,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:15:55,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:15:55,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:15:55,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:15:55,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:15:55,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:15:55,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:15:55,908 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:15:55,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:15:55,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:15:55,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:15:55,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:15:55,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:15:55,911 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_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2024-11-08 17:15:56,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:15:56,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:15:56,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:15:56,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:15:56,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:15:56,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 17:15:58,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:15:59,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:15:59,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-08 17:15:59,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/0a70b2607/55df50ea8d2e47ed85aa49565571627d/FLAGb2826a497 [2024-11-08 17:15:59,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/data/0a70b2607/55df50ea8d2e47ed85aa49565571627d [2024-11-08 17:15:59,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:15:59,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:15:59,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:15:59,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:15:59,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:15:59,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:59" (1/1) ... [2024-11-08 17:15:59,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641c46a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:15:59, skipping insertion in model container [2024-11-08 17:15:59,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:15:59" (1/1) ... [2024-11-08 17:15:59,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:15:59,588 WARN L250 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_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-08 17:16:00,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:16:00,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:16:00,133 WARN L250 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_6227f842-bef0-4625-9159-2c369bf62517/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-08 17:16:00,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:16:00,362 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:16:00,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00 WrapperNode [2024-11-08 17:16:00,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:16:00,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:16:00,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:16:00,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:16:00,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,605 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2203 [2024-11-08 17:16:00,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:16:00,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:16:00,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:16:00,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:16:00,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,722 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]. [2024-11-08 17:16:00,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:16:00,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:16:00,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:16:00,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:16:00,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (1/1) ... [2024-11-08 17:16:00,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:16:00,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:00,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:16:00,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:16:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:16:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:16:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:16:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:16:01,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:16:01,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:16:04,616 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-08 17:16:04,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:16:04,628 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:16:04,630 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:16:04,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:04 BoogieIcfgContainer [2024-11-08 17:16:04,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:16:04,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:16:04,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:16:04,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:16:04,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:15:59" (1/3) ... [2024-11-08 17:16:04,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61549573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:04, skipping insertion in model container [2024-11-08 17:16:04,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:00" (2/3) ... [2024-11-08 17:16:04,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61549573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:04, skipping insertion in model container [2024-11-08 17:16:04,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:04" (3/3) ... [2024-11-08 17:16:04,642 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-08 17:16:04,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:16:04,662 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:16:04,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:16:04,751 INFO L333 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, 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;@6e14b423, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:16:04,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:16:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:16:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 17:16:04,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:04,768 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 17:16:04,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:16:04,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-08 17:16:04,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:16:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432252914] [2024-11-08 17:16:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:04,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:16:04,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:16:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:05,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 17:16:05,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:16:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:16:06,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:16:06,268 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:16:06,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432252914] [2024-11-08 17:16:06,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432252914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:06,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:06,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:16:06,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088381069] [2024-11-08 17:16:06,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:06,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:16:06,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:16:06,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:16:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:16:06,311 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-08 17:16:06,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:06,615 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-08 17:16:06,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:16:06,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-08 17:16:06,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:06,629 INFO L225 Difference]: With dead ends: 19 [2024-11-08 17:16:06,629 INFO L226 Difference]: Without dead ends: 10 [2024-11-08 17:16:06,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:16:06,638 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:06,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:16:06,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-08 17:16:06,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-08 17:16:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-08 17:16:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 17:16:06,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-08 17:16:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:06,677 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-08 17:16:06,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-08 17:16:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 17:16:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 17:16:06,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:06,679 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:06,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:16:06,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:06,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:16:06,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:06,883 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-08 17:16:06,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:16:06,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676349821] [2024-11-08 17:16:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:06,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:06,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:06,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:16:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6227f842-bef0-4625-9159-2c369bf62517/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:16:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:07,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-08 17:16:07,943 INFO L278 TraceCheckSpWp]: Computing forward predicates...