./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu --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 45e58736dd2fb3c49049c2685505c5453ccebf8bd699ff36e792e3749e9ae2f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:49,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:49,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:39:49,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:49,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:49,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:49,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:49,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:49,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:49,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:49,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:49,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:49,357 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:49,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:49,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:49,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:49,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:49,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:49,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:49,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:49,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:49,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:49,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:49,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:49,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:49,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:49,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:49,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:49,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:49,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:49,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:49,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:49,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:49,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:49,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:49,382 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:49,383 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_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e58736dd2fb3c49049c2685505c5453ccebf8bd699ff36e792e3749e9ae2f9 [2023-11-19 07:39:49,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:49,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:49,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:49,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:49,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:49,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:39:53,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:53,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:53,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:39:53,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/1ab1d39aa/633746927a20455e8c3dd4a53e79f70e/FLAG8e178b497 [2023-11-19 07:39:53,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/1ab1d39aa/633746927a20455e8c3dd4a53e79f70e [2023-11-19 07:39:53,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:53,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:53,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:53,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:53,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:53,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541965e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53, skipping insertion in model container [2023-11-19 07:39:53,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:53,899 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2023-11-19 07:39:54,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:54,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:54,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2023-11-19 07:39:54,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:54,973 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:54,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54 WrapperNode [2023-11-19 07:39:54,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:54,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:54,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:54,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:54,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:55,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:55,740 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6059 [2023-11-19 07:39:55,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:55,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:55,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:55,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:55,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:55,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:55,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:55,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:56,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:56,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:56,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:56,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (1/1) ... [2023-11-19 07:39:56,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:56,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:56,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:56,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:39:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:39:57,208 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:57,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:01,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:01,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:01,865 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:40:01,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:01 BoogieIcfgContainer [2023-11-19 07:40:01,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:01,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:01,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:01,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:01,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:53" (1/3) ... [2023-11-19 07:40:01,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b363e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:01, skipping insertion in model container [2023-11-19 07:40:01,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:54" (2/3) ... [2023-11-19 07:40:01,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b363e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:01, skipping insertion in model container [2023-11-19 07:40:01,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:01" (3/3) ... [2023-11-19 07:40:01,899 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:40:01,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:01,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:02,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:02,038 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@512fd48d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:02,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 1078 states, 1071 states have (on average 1.661998132586368) internal successors, (1780), 1072 states have internal predecessors, (1780), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:40:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:40:02,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:02,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:02,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:02,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:02,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1008405330, now seen corresponding path program 1 times [2023-11-19 07:40:02,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:02,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489561967] [2023-11-19 07:40:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:02,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:02,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489561967] [2023-11-19 07:40:02,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489561967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:02,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:02,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:40:02,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268209593] [2023-11-19 07:40:02,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:02,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:02,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:02,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:02,987 INFO L87 Difference]: Start difference. First operand has 1078 states, 1071 states have (on average 1.661998132586368) internal successors, (1780), 1072 states have internal predecessors, (1780), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:03,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:03,410 INFO L93 Difference]: Finished difference Result 3144 states and 5232 transitions. [2023-11-19 07:40:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:40:03,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2023-11-19 07:40:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:03,448 INFO L225 Difference]: With dead ends: 3144 [2023-11-19 07:40:03,448 INFO L226 Difference]: Without dead ends: 2107 [2023-11-19 07:40:03,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:03,464 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 1707 mSDsluCounter, 7349 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 9210 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:03,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 9210 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:03,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2023-11-19 07:40:03,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1080. [2023-11-19 07:40:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 1072 states have (on average 1.6585820895522387) internal successors, (1778), 1073 states have internal predecessors, (1778), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1788 transitions. [2023-11-19 07:40:03,642 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1788 transitions. Word has length 43 [2023-11-19 07:40:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:03,643 INFO L495 AbstractCegarLoop]: Abstraction has 1080 states and 1788 transitions. [2023-11-19 07:40:03,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1788 transitions. [2023-11-19 07:40:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 07:40:03,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:03,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:03,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:03,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:03,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash -818076126, now seen corresponding path program 1 times [2023-11-19 07:40:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:03,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752765826] [2023-11-19 07:40:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:04,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:04,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752765826] [2023-11-19 07:40:04,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752765826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:04,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:04,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:40:04,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971190301] [2023-11-19 07:40:04,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:04,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:04,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:04,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:04,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:04,096 INFO L87 Difference]: Start difference. First operand 1080 states and 1788 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:04,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:04,207 INFO L93 Difference]: Finished difference Result 2122 states and 3513 transitions. [2023-11-19 07:40:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:40:04,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-19 07:40:04,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:04,217 INFO L225 Difference]: With dead ends: 2122 [2023-11-19 07:40:04,217 INFO L226 Difference]: Without dead ends: 1083 [2023-11-19 07:40:04,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:04,228 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 1 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5331 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:04,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5331 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:04,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2023-11-19 07:40:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1082. [2023-11-19 07:40:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 1074 states have (on average 1.6573556797020483) internal successors, (1780), 1075 states have internal predecessors, (1780), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1790 transitions. [2023-11-19 07:40:04,275 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1790 transitions. Word has length 44 [2023-11-19 07:40:04,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:04,276 INFO L495 AbstractCegarLoop]: Abstraction has 1082 states and 1790 transitions. [2023-11-19 07:40:04,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1790 transitions. [2023-11-19 07:40:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 07:40:04,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:04,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:04,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:04,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:04,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:04,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1104278422, now seen corresponding path program 1 times [2023-11-19 07:40:04,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:04,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474718748] [2023-11-19 07:40:04,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:04,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:04,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:04,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474718748] [2023-11-19 07:40:04,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474718748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:04,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:04,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:04,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248275422] [2023-11-19 07:40:04,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:04,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:04,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:04,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:04,768 INFO L87 Difference]: Start difference. First operand 1082 states and 1790 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:05,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:05,056 INFO L93 Difference]: Finished difference Result 3154 states and 5228 transitions. [2023-11-19 07:40:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:40:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-11-19 07:40:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:05,072 INFO L225 Difference]: With dead ends: 3154 [2023-11-19 07:40:05,073 INFO L226 Difference]: Without dead ends: 2113 [2023-11-19 07:40:05,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:05,084 INFO L413 NwaCegarLoop]: 3383 mSDtfsCounter, 3524 mSDsluCounter, 5142 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 8525 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:05,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 8525 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:40:05,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2023-11-19 07:40:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 1085. [2023-11-19 07:40:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1077 states have (on average 1.6555246053853296) internal successors, (1783), 1078 states have internal predecessors, (1783), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1793 transitions. [2023-11-19 07:40:05,141 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1793 transitions. Word has length 45 [2023-11-19 07:40:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:05,145 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 1793 transitions. [2023-11-19 07:40:05,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1793 transitions. [2023-11-19 07:40:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 07:40:05,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:05,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:05,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:40:05,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:05,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:05,159 INFO L85 PathProgramCache]: Analyzing trace with hash -424220052, now seen corresponding path program 1 times [2023-11-19 07:40:05,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:05,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327690509] [2023-11-19 07:40:05,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:05,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:06,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:06,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327690509] [2023-11-19 07:40:06,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327690509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:06,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:06,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:06,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578764247] [2023-11-19 07:40:06,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:06,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:06,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:06,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:06,565 INFO L87 Difference]: Start difference. First operand 1085 states and 1793 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:07,214 INFO L93 Difference]: Finished difference Result 4202 states and 6962 transitions. [2023-11-19 07:40:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:40:07,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-11-19 07:40:07,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:07,241 INFO L225 Difference]: With dead ends: 4202 [2023-11-19 07:40:07,241 INFO L226 Difference]: Without dead ends: 3158 [2023-11-19 07:40:07,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:40:07,257 INFO L413 NwaCegarLoop]: 3383 mSDtfsCounter, 6962 mSDsluCounter, 11905 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 15288 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:07,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6970 Valid, 15288 Invalid, 125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2023-11-19 07:40:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 1089. [2023-11-19 07:40:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1081 states have (on average 1.6540240518038853) internal successors, (1788), 1082 states have internal predecessors, (1788), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:07,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1798 transitions. [2023-11-19 07:40:07,326 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1798 transitions. Word has length 45 [2023-11-19 07:40:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:07,328 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1798 transitions. [2023-11-19 07:40:07,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1798 transitions. [2023-11-19 07:40:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 07:40:07,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:07,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:07,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:40:07,331 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:07,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1112362168, now seen corresponding path program 1 times [2023-11-19 07:40:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:07,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551331486] [2023-11-19 07:40:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:07,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:07,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:07,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551331486] [2023-11-19 07:40:07,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551331486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:07,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:07,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622124580] [2023-11-19 07:40:07,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:07,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:07,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:07,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:07,990 INFO L87 Difference]: Start difference. First operand 1089 states and 1798 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:08,349 INFO L93 Difference]: Finished difference Result 2150 states and 3549 transitions. [2023-11-19 07:40:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:40:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-19 07:40:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:08,358 INFO L225 Difference]: With dead ends: 2150 [2023-11-19 07:40:08,359 INFO L226 Difference]: Without dead ends: 1102 [2023-11-19 07:40:08,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:40:08,362 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 5136 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5136 SdHoareTripleChecker+Valid, 3809 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:08,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5136 Valid, 3809 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:40:08,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-11-19 07:40:08,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1084. [2023-11-19 07:40:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1076 states have (on average 1.6552044609665428) internal successors, (1781), 1077 states have internal predecessors, (1781), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1791 transitions. [2023-11-19 07:40:08,414 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1791 transitions. Word has length 46 [2023-11-19 07:40:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:08,414 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1791 transitions. [2023-11-19 07:40:08,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1791 transitions. [2023-11-19 07:40:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 07:40:08,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:08,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:08,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:40:08,417 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:08,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash -432303798, now seen corresponding path program 1 times [2023-11-19 07:40:08,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:08,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177859359] [2023-11-19 07:40:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:08,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:08,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177859359] [2023-11-19 07:40:08,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177859359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:08,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:08,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:08,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341488107] [2023-11-19 07:40:08,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:08,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:08,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:08,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:08,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:08,981 INFO L87 Difference]: Start difference. First operand 1084 states and 1791 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:10,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:10,630 INFO L93 Difference]: Finished difference Result 2141 states and 3536 transitions. [2023-11-19 07:40:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:10,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-19 07:40:10,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:10,638 INFO L225 Difference]: With dead ends: 2141 [2023-11-19 07:40:10,638 INFO L226 Difference]: Without dead ends: 1098 [2023-11-19 07:40:10,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:40:10,640 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 3430 mSDsluCounter, 4350 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:10,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 5777 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 07:40:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-11-19 07:40:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1084. [2023-11-19 07:40:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1076 states have (on average 1.654275092936803) internal successors, (1780), 1077 states have internal predecessors, (1780), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1790 transitions. [2023-11-19 07:40:10,693 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1790 transitions. Word has length 46 [2023-11-19 07:40:10,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:10,693 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1790 transitions. [2023-11-19 07:40:10,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1790 transitions. [2023-11-19 07:40:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 07:40:10,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:10,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:10,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:40:10,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:10,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash -489562100, now seen corresponding path program 1 times [2023-11-19 07:40:10,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:10,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252623690] [2023-11-19 07:40:10,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:10,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:10,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:10,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:10,910 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:40:10,912 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:40:10,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:40:10,917 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:10,922 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:40:10,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:40:10,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:40:10,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 07:40:10,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 07:40:10,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:40:10,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 07:40:10,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:40:10,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 07:40:10,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 07:40:10,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 07:40:10,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 07:40:10,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 07:40:10,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 07:40:10,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 07:40:10,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:40:10,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 07:40:10,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:40:10,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 07:40:10,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 07:40:10,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 07:40:10,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 07:40:10,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 07:40:10,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-19 07:40:10,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 07:40:10,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 07:40:10,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-19 07:40:11,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet117 could not be translated [2023-11-19 07:40:11,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet118 could not be translated [2023-11-19 07:40:11,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet119 could not be translated [2023-11-19 07:40:11,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet120 could not be translated [2023-11-19 07:40:11,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet121 could not be translated [2023-11-19 07:40:11,017 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 07:40:11,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:11 BoogieIcfgContainer [2023-11-19 07:40:11,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:40:11,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:40:11,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:40:11,054 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:40:11,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:01" (3/4) ... [2023-11-19 07:40:11,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:40:11,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:40:11,060 INFO L158 Benchmark]: Toolchain (without parser) took 17495.52ms. Allocated memory was 115.3MB in the beginning and 811.6MB in the end (delta: 696.3MB). Free memory was 67.9MB in the beginning and 524.6MB in the end (delta: -456.7MB). Peak memory consumption was 241.4MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,060 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:11,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.02ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 67.7MB in the beginning and 105.5MB in the end (delta: -37.8MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 763.85ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 105.5MB in the beginning and 138.7MB in the end (delta: -33.2MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,061 INFO L158 Benchmark]: Boogie Preprocessor took 828.57ms. Allocated memory is still 276.8MB. Free memory was 138.7MB in the beginning and 121.2MB in the end (delta: 17.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,062 INFO L158 Benchmark]: RCFGBuilder took 5307.53ms. Allocated memory was 276.8MB in the beginning and 518.0MB in the end (delta: 241.2MB). Free memory was 121.2MB in the beginning and 259.8MB in the end (delta: -138.6MB). Peak memory consumption was 182.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,063 INFO L158 Benchmark]: TraceAbstraction took 9168.19ms. Allocated memory was 518.0MB in the beginning and 811.6MB in the end (delta: 293.6MB). Free memory was 258.7MB in the beginning and 524.6MB in the end (delta: -265.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-19 07:40:11,063 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 811.6MB. Free memory is still 524.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:11,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 115.3MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.02ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 67.7MB in the beginning and 105.5MB in the end (delta: -37.8MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 763.85ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 105.5MB in the beginning and 138.7MB in the end (delta: -33.2MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 828.57ms. Allocated memory is still 276.8MB. Free memory was 138.7MB in the beginning and 121.2MB in the end (delta: 17.5MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5307.53ms. Allocated memory was 276.8MB in the beginning and 518.0MB in the end (delta: 241.2MB). Free memory was 121.2MB in the beginning and 259.8MB in the end (delta: -138.6MB). Peak memory consumption was 182.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9168.19ms. Allocated memory was 518.0MB in the beginning and 811.6MB in the end (delta: 293.6MB). Free memory was 258.7MB in the beginning and 524.6MB in the end (delta: -265.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 811.6MB. Free memory is still 524.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet121 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 344. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 12); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (12 - 1); [L35] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L36] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L38] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 3); [L39] const SORT_37 msb_SORT_37 = (SORT_37)1 << (3 - 1); [L41] const SORT_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 2); [L42] const SORT_44 msb_SORT_44 = (SORT_44)1 << (2 - 1); [L44] const SORT_295 mask_SORT_295 = (SORT_295)-1 >> (sizeof(SORT_295) * 8 - 4); [L45] const SORT_295 msb_SORT_295 = (SORT_295)1 << (4 - 1); [L47] const SORT_297 mask_SORT_297 = (SORT_297)-1 >> (sizeof(SORT_297) * 8 - 5); [L48] const SORT_297 msb_SORT_297 = (SORT_297)1 << (5 - 1); [L50] const SORT_299 mask_SORT_299 = (SORT_299)-1 >> (sizeof(SORT_299) * 8 - 6); [L51] const SORT_299 msb_SORT_299 = (SORT_299)1 << (6 - 1); [L53] const SORT_301 mask_SORT_301 = (SORT_301)-1 >> (sizeof(SORT_301) * 8 - 7); [L54] const SORT_301 msb_SORT_301 = (SORT_301)1 << (7 - 1); [L56] const SORT_303 mask_SORT_303 = (SORT_303)-1 >> (sizeof(SORT_303) * 8 - 8); [L57] const SORT_303 msb_SORT_303 = (SORT_303)1 << (8 - 1); [L59] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 9); [L60] const SORT_305 msb_SORT_305 = (SORT_305)1 << (9 - 1); [L62] const SORT_307 mask_SORT_307 = (SORT_307)-1 >> (sizeof(SORT_307) * 8 - 10); [L63] const SORT_307 msb_SORT_307 = (SORT_307)1 << (10 - 1); [L65] const SORT_309 mask_SORT_309 = (SORT_309)-1 >> (sizeof(SORT_309) * 8 - 11); [L66] const SORT_309 msb_SORT_309 = (SORT_309)1 << (11 - 1); [L68] const SORT_312 mask_SORT_312 = (SORT_312)-1 >> (sizeof(SORT_312) * 8 - 13); [L69] const SORT_312 msb_SORT_312 = (SORT_312)1 << (13 - 1); [L71] const SORT_314 mask_SORT_314 = (SORT_314)-1 >> (sizeof(SORT_314) * 8 - 14); [L72] const SORT_314 msb_SORT_314 = (SORT_314)1 << (14 - 1); [L74] const SORT_316 mask_SORT_316 = (SORT_316)-1 >> (sizeof(SORT_316) * 8 - 15); [L75] const SORT_316 msb_SORT_316 = (SORT_316)1 << (15 - 1); [L77] const SORT_533 mask_SORT_533 = (SORT_533)-1 >> (sizeof(SORT_533) * 8 - 17); [L78] const SORT_533 msb_SORT_533 = (SORT_533)1 << (17 - 1); [L80] const SORT_6 var_7 = 0; [L81] const SORT_11 var_13 = 0; [L82] const SORT_3 var_21 = 0; [L83] const SORT_1 var_26 = 0; [L84] const SORT_37 var_38 = 0; [L85] const SORT_1 var_57 = 1; [L86] const SORT_37 var_93 = 2; [L87] const SORT_37 var_97 = 1; [L88] const SORT_37 var_105 = 4; [L89] const SORT_37 var_107 = 5; [L90] const SORT_37 var_111 = 3; [L91] const SORT_6 var_128 = 2; [L92] const SORT_44 var_138 = 0; [L93] const SORT_3 var_145 = 65535; [L94] const SORT_297 var_534 = 0; [L95] const SORT_301 var_626 = 5; [L96] const SORT_301 var_630 = 4; [L97] const SORT_301 var_634 = 3; [L98] const SORT_301 var_638 = 2; [L99] const SORT_301 var_642 = 1; [L100] const SORT_301 var_646 = 0; [L102] SORT_1 input_2; [L103] SORT_3 input_4; [L104] SORT_3 input_5; [L105] SORT_6 input_114; [L106] SORT_6 input_115; [L107] SORT_6 input_116; [L108] SORT_3 input_134; [L109] SORT_3 input_135; [L110] SORT_3 input_136; [L111] SORT_3 input_144; [L112] SORT_3 input_153; [L113] SORT_3 input_154; [L114] SORT_3 input_155; [L115] SORT_3 input_158; [L116] SORT_3 input_176; [L117] SORT_3 input_177; [L118] SORT_3 input_178; [L119] SORT_3 input_181; [L120] SORT_3 input_183; [L121] SORT_44 input_197; [L122] SORT_44 input_198; [L123] SORT_44 input_199; [L124] SORT_3 input_529; [L125] SORT_3 input_530; [L126] SORT_3 input_531; [L127] SORT_3 input_532; [L128] SORT_3 input_555; [L129] SORT_3 input_557; [L130] SORT_3 input_559; [L131] SORT_3 input_563; [L132] SORT_3 input_564; [L133] SORT_3 input_565; [L134] SORT_3 input_566; [L135] SORT_3 input_585; [L136] SORT_3 input_589; [L137] SORT_3 input_591; [L138] SORT_3 input_598; [L139] SORT_3 input_600; [L140] SORT_3 input_605; [L141] SORT_3 input_607; [L142] SORT_3 input_611; [L143] SORT_3 input_612; [L144] SORT_3 input_613; [L145] SORT_3 input_614; [L146] SORT_3 input_615; [L147] SORT_3 input_616; [L148] SORT_3 input_617; [L149] SORT_3 input_618; [L150] SORT_3 input_619; [L151] SORT_3 input_620; [L152] SORT_3 input_621; [L153] SORT_3 input_622; [L154] SORT_3 input_629; [L155] SORT_3 input_633; [L156] SORT_3 input_637; [L157] SORT_3 input_641; [L158] SORT_3 input_645; [L159] SORT_3 input_650; [L160] SORT_3 input_656; [L161] SORT_3 input_658; [L162] SORT_3 input_660; [L163] SORT_3 input_662; [L164] SORT_3 input_665; [L165] SORT_3 input_671; [L166] SORT_3 input_673; [L167] SORT_3 input_675; [L168] SORT_3 input_678; [L169] SORT_3 input_684; [L170] SORT_3 input_686; [L171] SORT_3 input_689; [L172] SORT_3 input_695; [L173] SORT_3 input_698; [L174] SORT_3 input_705; [L175] SORT_3 input_710; [L176] SORT_1 input_729; [L177] SORT_1 input_730; [L178] SORT_1 input_731; [L179] SORT_1 input_732; [L180] SORT_1 input_735; [L181] SORT_1 input_737; [L182] SORT_1 input_739; [L183] SORT_1 input_744; [L184] SORT_1 input_746; [L185] SORT_1 input_751; [L186] SORT_3 input_764; [L187] SORT_3 input_765; [L188] SORT_3 input_766; [L190] EXPR __VERIFIER_nondet_ushort() & mask_SORT_6 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L190] SORT_6 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_6; [L191] EXPR __VERIFIER_nondet_ushort() & mask_SORT_6 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L191] SORT_6 state_15 = __VERIFIER_nondet_ushort() & mask_SORT_6; [L192] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L192] SORT_3 state_22 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L193] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L193] SORT_3 state_24 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L194] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L194] SORT_3 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L195] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L195] SORT_3 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L196] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L196] SORT_37 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L197] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L197] SORT_3 state_80 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L198] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L198] SORT_3 state_82 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L199] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L199] SORT_3 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L200] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L200] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L201] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L201] SORT_3 state_88 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L202] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L202] SORT_3 state_90 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L204] SORT_6 init_9_arg_1 = var_7; [L205] state_8 = init_9_arg_1 [L206] SORT_6 init_16_arg_1 = var_7; [L207] state_15 = init_16_arg_1 [L208] SORT_3 init_23_arg_1 = var_21; [L209] state_22 = init_23_arg_1 [L210] SORT_3 init_25_arg_1 = var_21; [L211] state_24 = init_25_arg_1 [L212] SORT_3 init_29_arg_1 = var_21; [L213] state_28 = init_29_arg_1 [L214] SORT_3 init_31_arg_1 = var_21; [L215] state_30 = init_31_arg_1 [L216] SORT_37 init_40_arg_1 = var_38; [L217] state_39 = init_40_arg_1 [L218] SORT_3 init_81_arg_1 = var_21; [L219] state_80 = init_81_arg_1 [L220] SORT_3 init_83_arg_1 = var_21; [L221] state_82 = init_83_arg_1 [L222] SORT_3 init_85_arg_1 = var_21; [L223] state_84 = init_85_arg_1 [L224] SORT_1 init_87_arg_1 = var_26; [L225] state_86 = init_87_arg_1 [L226] SORT_3 init_89_arg_1 = var_21; [L227] state_88 = init_89_arg_1 [L228] SORT_3 init_91_arg_1 = var_21; [L229] state_90 = init_91_arg_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L232] input_2 = __VERIFIER_nondet_uchar() [L233] input_4 = __VERIFIER_nondet_ushort() [L234] input_5 = __VERIFIER_nondet_ushort() [L235] input_114 = __VERIFIER_nondet_ushort() [L236] input_115 = __VERIFIER_nondet_ushort() [L237] input_116 = __VERIFIER_nondet_ushort() [L238] input_134 = __VERIFIER_nondet_ushort() [L239] input_135 = __VERIFIER_nondet_ushort() [L240] input_136 = __VERIFIER_nondet_ushort() [L241] input_144 = __VERIFIER_nondet_ushort() [L242] input_153 = __VERIFIER_nondet_ushort() [L243] input_154 = __VERIFIER_nondet_ushort() [L244] input_155 = __VERIFIER_nondet_ushort() [L245] input_158 = __VERIFIER_nondet_ushort() [L246] input_176 = __VERIFIER_nondet_ushort() [L247] input_177 = __VERIFIER_nondet_ushort() [L248] input_178 = __VERIFIER_nondet_ushort() [L249] input_181 = __VERIFIER_nondet_ushort() [L250] input_183 = __VERIFIER_nondet_ushort() [L251] input_197 = __VERIFIER_nondet_uchar() [L252] input_198 = __VERIFIER_nondet_uchar() [L253] input_199 = __VERIFIER_nondet_uchar() [L254] input_529 = __VERIFIER_nondet_ushort() [L255] input_530 = __VERIFIER_nondet_ushort() [L256] input_531 = __VERIFIER_nondet_ushort() [L257] input_532 = __VERIFIER_nondet_ushort() [L258] input_555 = __VERIFIER_nondet_ushort() [L259] input_557 = __VERIFIER_nondet_ushort() [L260] input_559 = __VERIFIER_nondet_ushort() [L261] input_563 = __VERIFIER_nondet_ushort() [L262] input_564 = __VERIFIER_nondet_ushort() [L263] input_565 = __VERIFIER_nondet_ushort() [L264] input_566 = __VERIFIER_nondet_ushort() [L265] input_585 = __VERIFIER_nondet_ushort() [L266] input_589 = __VERIFIER_nondet_ushort() [L267] input_591 = __VERIFIER_nondet_ushort() [L268] input_598 = __VERIFIER_nondet_ushort() [L269] input_600 = __VERIFIER_nondet_ushort() [L270] input_605 = __VERIFIER_nondet_ushort() [L271] input_607 = __VERIFIER_nondet_ushort() [L272] input_611 = __VERIFIER_nondet_ushort() [L273] input_612 = __VERIFIER_nondet_ushort() [L274] input_613 = __VERIFIER_nondet_ushort() [L275] input_614 = __VERIFIER_nondet_ushort() [L276] input_615 = __VERIFIER_nondet_ushort() [L277] input_616 = __VERIFIER_nondet_ushort() [L278] input_617 = __VERIFIER_nondet_ushort() [L279] input_618 = __VERIFIER_nondet_ushort() [L280] input_619 = __VERIFIER_nondet_ushort() [L281] input_620 = __VERIFIER_nondet_ushort() [L282] input_621 = __VERIFIER_nondet_ushort() [L283] input_622 = __VERIFIER_nondet_ushort() [L284] input_629 = __VERIFIER_nondet_ushort() [L285] input_633 = __VERIFIER_nondet_ushort() [L286] input_637 = __VERIFIER_nondet_ushort() [L287] input_641 = __VERIFIER_nondet_ushort() [L288] input_645 = __VERIFIER_nondet_ushort() [L289] input_650 = __VERIFIER_nondet_ushort() [L290] input_656 = __VERIFIER_nondet_ushort() [L291] input_658 = __VERIFIER_nondet_ushort() [L292] input_660 = __VERIFIER_nondet_ushort() [L293] input_662 = __VERIFIER_nondet_ushort() [L294] input_665 = __VERIFIER_nondet_ushort() [L295] input_671 = __VERIFIER_nondet_ushort() [L296] input_673 = __VERIFIER_nondet_ushort() [L297] input_675 = __VERIFIER_nondet_ushort() [L298] input_678 = __VERIFIER_nondet_ushort() [L299] input_684 = __VERIFIER_nondet_ushort() [L300] input_686 = __VERIFIER_nondet_ushort() [L301] input_689 = __VERIFIER_nondet_ushort() [L302] input_695 = __VERIFIER_nondet_ushort() [L303] input_698 = __VERIFIER_nondet_ushort() [L304] input_705 = __VERIFIER_nondet_ushort() [L305] input_710 = __VERIFIER_nondet_ushort() [L306] input_729 = __VERIFIER_nondet_uchar() [L307] input_730 = __VERIFIER_nondet_uchar() [L308] input_731 = __VERIFIER_nondet_uchar() [L309] input_732 = __VERIFIER_nondet_uchar() [L310] input_735 = __VERIFIER_nondet_uchar() [L311] input_737 = __VERIFIER_nondet_uchar() [L312] input_739 = __VERIFIER_nondet_uchar() [L313] input_744 = __VERIFIER_nondet_uchar() [L314] input_746 = __VERIFIER_nondet_uchar() [L315] input_751 = __VERIFIER_nondet_uchar() [L316] input_764 = __VERIFIER_nondet_ushort() [L317] input_765 = __VERIFIER_nondet_ushort() [L318] input_766 = __VERIFIER_nondet_ushort() [L321] SORT_6 var_10_arg_0 = state_8; [L322] SORT_1 var_10 = var_10_arg_0 >> 0; [L323] SORT_1 var_52_arg_0 = var_10; VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_52_arg_0=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L324] EXPR var_52_arg_0 & mask_SORT_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_21=0, var_26=0, var_38=0, var_52_arg_0=0, var_534=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L324] var_52_arg_0 = var_52_arg_0 & mask_SORT_1 [L325] SORT_11 var_52 = var_52_arg_0; [L326] SORT_11 var_53_arg_0 = var_52; [L327] SORT_11 var_53_arg_1 = var_13; [L328] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L329] SORT_6 var_17_arg_0 = state_15; [L330] SORT_1 var_17 = var_17_arg_0 >> 0; [L331] SORT_1 var_54_arg_0 = var_17; VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54_arg_0=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L332] EXPR var_54_arg_0 & mask_SORT_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54_arg_0=0, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L332] var_54_arg_0 = var_54_arg_0 & mask_SORT_1 [L333] SORT_11 var_54 = var_54_arg_0; [L334] SORT_11 var_55_arg_0 = var_54; [L335] SORT_11 var_55_arg_1 = var_13; [L336] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L337] SORT_1 var_56_arg_0 = var_53; [L338] SORT_1 var_56_arg_1 = var_55; VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L339] EXPR var_56_arg_0 & var_56_arg_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L339] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L340] SORT_1 var_58_arg_0 = var_56; [L341] SORT_1 var_58 = ~var_58_arg_0; [L342] SORT_1 var_59_arg_0 = var_57; [L343] SORT_1 var_59_arg_1 = var_58; VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_58=254, var_58_arg_0=1, var_59_arg_0=1, var_59_arg_1=254, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L344] EXPR var_59_arg_0 & var_59_arg_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_58=254, var_58_arg_0=1, var_59_arg_0=1, var_59_arg_1=254, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L344] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L345] EXPR var_59 & mask_SORT_1 VAL [init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_58=254, var_58_arg_0=1, var_59=1, var_59_arg_0=1, var_59_arg_1=254, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L345] var_59 = var_59 & mask_SORT_1 [L346] SORT_1 bad_60_arg_0 = var_59; VAL [bad_60_arg_0=1, init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_40_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_295=15, mask_SORT_297=31, mask_SORT_299=63, mask_SORT_301=127, mask_SORT_303=255, mask_SORT_305=511, mask_SORT_307=1023, mask_SORT_309=2047, mask_SORT_312=8191, mask_SORT_314=16383, mask_SORT_316=32767, mask_SORT_37=7, mask_SORT_3=65535, mask_SORT_44=3, mask_SORT_533=131071, mask_SORT_6=4095, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_295=8, msb_SORT_297=16, msb_SORT_299=32, msb_SORT_301=64, msb_SORT_303=128, msb_SORT_305=256, msb_SORT_307=512, msb_SORT_309=1024, msb_SORT_312=4096, msb_SORT_314=8192, msb_SORT_316=16384, msb_SORT_37=4, msb_SORT_3=32768, msb_SORT_44=2, msb_SORT_533=65536, msb_SORT_6=2048, state_15=0, state_22=0, state_24=0, state_28=0, state_30=0, state_39=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_8=0, state_90=0, var_105=4, var_107=5, var_10=0, var_10_arg_0=0, var_111=3, var_128=2, var_138=0, var_13=0, var_145=65535, var_17=0, var_17_arg_0=0, var_21=0, var_26=0, var_38=0, var_52=0, var_52_arg_0=0, var_534=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_56_arg_0=1, var_56_arg_1=1, var_57=1, var_58=254, var_58_arg_0=1, var_59=1, var_59_arg_0=1, var_59_arg_1=254, var_626=5, var_630=4, var_634=3, var_638=2, var_642=1, var_646=0, var_7=0, var_93=2, var_97=1] [L347] CALL __VERIFIER_assert(!(bad_60_arg_0)) VAL [\old(cond)=0] [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 1078 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20776 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20760 mSDsluCounter, 47940 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34329 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1755 IncrementalHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 13611 mSDtfsCounter, 1755 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1089occurred in iteration=4, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 4157 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:40:11,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu --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 45e58736dd2fb3c49049c2685505c5453ccebf8bd699ff36e792e3749e9ae2f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:14,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:14,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:40:14,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:14,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:14,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:14,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:14,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:14,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:14,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:14,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:14,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:14,284 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:14,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:14,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:14,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:14,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:14,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:14,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:14,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:40:14,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:40:14,291 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:40:14,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:14,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:14,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:14,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:14,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:14,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:14,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:14,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:14,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:14,297 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:40:14,297 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:40:14,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:14,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:14,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:14,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:14,299 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:40:14,299 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:14,300 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_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e58736dd2fb3c49049c2685505c5453ccebf8bd699ff36e792e3749e9ae2f9 [2023-11-19 07:40:14,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:14,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:14,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:14,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:14,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:14,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:40:18,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:18,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:18,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:40:18,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/579c146a2/4a702bc792b94ef5aa6721a7ddaf9b5c/FLAGa2f6196db [2023-11-19 07:40:18,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/data/579c146a2/4a702bc792b94ef5aa6721a7ddaf9b5c [2023-11-19 07:40:18,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:18,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:18,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:18,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:18,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:18,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:18" (1/1) ... [2023-11-19 07:40:18,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d91e211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:18, skipping insertion in model container [2023-11-19 07:40:18,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:18" (1/1) ... [2023-11-19 07:40:18,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:19,156 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2023-11-19 07:40:19,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:19,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:19,739 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2023-11-19 07:40:20,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:20,041 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:20,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20 WrapperNode [2023-11-19 07:40:20,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:20,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:20,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:20,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:20,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,279 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2539 [2023-11-19 07:40:20,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:20,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:20,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:20,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:20,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:20,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:20,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:20,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:20,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (1/1) ... [2023-11-19 07:40:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:20,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:20,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:20,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:40:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:20,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:40:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:40:21,065 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:21,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:25,703 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:25,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:25,712 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:40:25,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:25 BoogieIcfgContainer [2023-11-19 07:40:25,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:25,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:25,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:25,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:25,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:18" (1/3) ... [2023-11-19 07:40:25,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515a1253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:25, skipping insertion in model container [2023-11-19 07:40:25,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:20" (2/3) ... [2023-11-19 07:40:25,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515a1253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:25, skipping insertion in model container [2023-11-19 07:40:25,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:25" (3/3) ... [2023-11-19 07:40:25,729 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vsa16.c [2023-11-19 07:40:25,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:25,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:25,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:25,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@617b7121, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:25,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:40:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:40:25,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:25,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:25,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:25,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1810462814, now seen corresponding path program 1 times [2023-11-19 07:40:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:25,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407658114] [2023-11-19 07:40:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:25,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:25,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:25,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:25,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:40:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:26,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 07:40:26,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:26,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:40:26,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:40:26,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407658114] [2023-11-19 07:40:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407658114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:26,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:26,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:40:26,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895887488] [2023-11-19 07:40:26,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:26,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:26,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:40:26,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:26,986 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:27,676 INFO L93 Difference]: Finished difference Result 50 states and 77 transitions. [2023-11-19 07:40:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:27,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 07:40:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:27,688 INFO L225 Difference]: With dead ends: 50 [2023-11-19 07:40:27,688 INFO L226 Difference]: Without dead ends: 31 [2023-11-19 07:40:27,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:27,696 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:27,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 63 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:40:27,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-19 07:40:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2023-11-19 07:40:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:40:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-19 07:40:27,740 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2023-11-19 07:40:27,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:27,741 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-19 07:40:27,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-19 07:40:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:40:27,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:27,743 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:27,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:27,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:27,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:27,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:27,948 INFO L85 PathProgramCache]: Analyzing trace with hash -995691336, now seen corresponding path program 1 times [2023-11-19 07:40:27,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:27,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579164219] [2023-11-19 07:40:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:27,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:27,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:27,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:40:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:28,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:40:28,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:28,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:40:28,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:40:28,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579164219] [2023-11-19 07:40:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579164219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:28,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:28,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:40:28,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246132758] [2023-11-19 07:40:28,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:28,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:28,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:40:28,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:28,763 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:40:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:29,311 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2023-11-19 07:40:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:29,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-19 07:40:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:29,314 INFO L225 Difference]: With dead ends: 39 [2023-11-19 07:40:29,314 INFO L226 Difference]: Without dead ends: 37 [2023-11-19 07:40:29,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:29,316 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:29,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 81 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:40:29,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-19 07:40:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2023-11-19 07:40:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 20 states have internal predecessors, (20), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:40:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-11-19 07:40:29,341 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 13 [2023-11-19 07:40:29,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:29,343 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-11-19 07:40:29,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:40:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-19 07:40:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:40:29,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:29,345 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:29,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:29,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:29,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:29,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:29,551 INFO L85 PathProgramCache]: Analyzing trace with hash -53539184, now seen corresponding path program 1 times [2023-11-19 07:40:29,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:29,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935097636] [2023-11-19 07:40:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:29,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:29,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:29,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:29,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:40:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:30,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:40:30,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:40:30,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:40:30,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:40:30,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935097636] [2023-11-19 07:40:30,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935097636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:30,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:30,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:40:30,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069878323] [2023-11-19 07:40:30,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:30,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:30,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:40:30,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:30,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:30,392 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:31,016 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2023-11-19 07:40:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:31,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-19 07:40:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:31,020 INFO L225 Difference]: With dead ends: 45 [2023-11-19 07:40:31,020 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:40:31,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:31,022 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:31,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 90 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:40:31,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:40:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2023-11-19 07:40:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:40:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2023-11-19 07:40:31,035 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 19 [2023-11-19 07:40:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:31,036 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2023-11-19 07:40:31,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2023-11-19 07:40:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:40:31,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:31,038 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:31,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:31,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:31,242 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:31,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:31,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1735839898, now seen corresponding path program 1 times [2023-11-19 07:40:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060689915] [2023-11-19 07:40:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:31,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:31,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:31,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:31,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 07:40:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:31,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 07:40:31,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:40:32,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:40:32,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:40:32,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060689915] [2023-11-19 07:40:32,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060689915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:32,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:32,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:40:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947729001] [2023-11-19 07:40:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:32,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:40:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:40:32,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:40:32,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:32,785 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:40:33,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:33,763 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2023-11-19 07:40:33,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:40:33,764 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2023-11-19 07:40:33,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:33,765 INFO L225 Difference]: With dead ends: 51 [2023-11-19 07:40:33,766 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 07:40:33,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:40:33,768 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 16 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:33,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 135 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:40:33,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 07:40:33,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2023-11-19 07:40:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:40:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-11-19 07:40:33,781 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 25 [2023-11-19 07:40:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:33,782 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-11-19 07:40:33,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:40:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-19 07:40:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:40:33,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:33,784 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:33,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:33,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:33,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:33,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2127961366, now seen corresponding path program 1 times [2023-11-19 07:40:33,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:33,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027541275] [2023-11-19 07:40:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:33,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:33,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:33,993 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:33,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_490667fc-64c2-4e7b-a0ad-752488be64aa/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process