./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:41,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:41,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:55:41,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:41,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:41,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:41,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:41,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:41,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:41,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:41,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:41,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:41,560 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:41,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:41,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:41,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:41,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:41,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:41,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:41,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:41,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:41,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:41,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:41,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:41,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:41,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:41,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:41,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:41,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:41,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:41,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:41,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:41,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:41,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:41,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:41,572 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:41,573 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 [2023-11-19 07:55:41,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:41,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:41,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:41,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:41,913 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:41,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:55:45,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:45,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:45,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:55:45,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/103d1a60c/1c21bc77f3934ba29a96b1fcec80ae42/FLAG5f2e183ce [2023-11-19 07:55:45,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/103d1a60c/1c21bc77f3934ba29a96b1fcec80ae42 [2023-11-19 07:55:45,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:45,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:45,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:45,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:45,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:45,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe1313b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:45, skipping insertion in model container [2023-11-19 07:55:45,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:45" (1/1) ... [2023-11-19 07:55:45,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:46,030 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1260,1273] [2023-11-19 07:55:46,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:46,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:46,559 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1260,1273] [2023-11-19 07:55:46,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:46,754 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:46,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46 WrapperNode [2023-11-19 07:55:46,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:46,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:46,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:46,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:46,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:46,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:47,710 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5664 [2023-11-19 07:55:47,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:47,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:47,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:47,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:47,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:47,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:48,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:48,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:48,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:48,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (1/1) ... [2023-11-19 07:55:48,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:48,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:48,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:48,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:49,237 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:49,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:53,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:53,402 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:53,402 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:55:53,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:53 BoogieIcfgContainer [2023-11-19 07:55:53,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:53,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:53,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:53,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:53,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:45" (1/3) ... [2023-11-19 07:55:53,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1165267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:53, skipping insertion in model container [2023-11-19 07:55:53,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:46" (2/3) ... [2023-11-19 07:55:53,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1165267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:53, skipping insertion in model container [2023-11-19 07:55:53,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:53" (3/3) ... [2023-11-19 07:55:53,433 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:55:53,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:53,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:55:53,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:53,557 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;@214607ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:53,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:55:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 1154 states, 1152 states have (on average 1.6649305555555556) internal successors, (1918), 1153 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:55:53,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:53,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:53,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:53,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:53,589 INFO L85 PathProgramCache]: Analyzing trace with hash 962660510, now seen corresponding path program 1 times [2023-11-19 07:55:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062305805] [2023-11-19 07:55:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:53,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:54,673 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 07:55:54,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:54,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062305805] [2023-11-19 07:55:54,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062305805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:54,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:54,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:54,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196715448] [2023-11-19 07:55:54,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:54,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:55:54,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:54,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:55:54,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:55:54,736 INFO L87 Difference]: Start difference. First operand has 1154 states, 1152 states have (on average 1.6649305555555556) internal successors, (1918), 1153 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:54,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:54,914 INFO L93 Difference]: Finished difference Result 2268 states and 3774 transitions. [2023-11-19 07:55:54,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:55:54,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-11-19 07:55:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:54,949 INFO L225 Difference]: With dead ends: 2268 [2023-11-19 07:55:54,949 INFO L226 Difference]: Without dead ends: 1152 [2023-11-19 07:55:54,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:55:54,959 INFO L413 NwaCegarLoop]: 1910 mSDtfsCounter, 1 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5724 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:54,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5724 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2023-11-19 07:55:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1152. [2023-11-19 07:55:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.6629018245004343) internal successors, (1914), 1151 states have internal predecessors, (1914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1914 transitions. [2023-11-19 07:55:55,110 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1914 transitions. Word has length 47 [2023-11-19 07:55:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:55,111 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1914 transitions. [2023-11-19 07:55:55,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1914 transitions. [2023-11-19 07:55:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:55:55,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:55,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:55,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:55:55,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:55,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash -220570062, now seen corresponding path program 1 times [2023-11-19 07:55:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:55,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718820370] [2023-11-19 07:55:55,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,425 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 07:55:55,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:55,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718820370] [2023-11-19 07:55:55,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718820370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:55,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:55,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:55,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110053859] [2023-11-19 07:55:55,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:55,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:55:55,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:55:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:55:55,430 INFO L87 Difference]: Start difference. First operand 1152 states and 1914 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:55,523 INFO L93 Difference]: Finished difference Result 2269 states and 3770 transitions. [2023-11-19 07:55:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:55:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-11-19 07:55:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:55,531 INFO L225 Difference]: With dead ends: 2269 [2023-11-19 07:55:55,531 INFO L226 Difference]: Without dead ends: 1155 [2023-11-19 07:55:55,533 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 07:55:55,535 INFO L413 NwaCegarLoop]: 1910 mSDtfsCounter, 1 mSDsluCounter, 3811 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5721 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 07:55:55,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5721 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:55,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2023-11-19 07:55:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1154. [2023-11-19 07:55:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.6617519514310495) internal successors, (1916), 1153 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1916 transitions. [2023-11-19 07:55:55,570 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1916 transitions. Word has length 48 [2023-11-19 07:55:55,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:55,571 INFO L495 AbstractCegarLoop]: Abstraction has 1154 states and 1916 transitions. [2023-11-19 07:55:55,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1916 transitions. [2023-11-19 07:55:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 07:55:55,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:55,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:55,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:55:55,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:55,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:55,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1541830456, now seen corresponding path program 1 times [2023-11-19 07:55:55,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:55,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501804418] [2023-11-19 07:55:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:55,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:56,542 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 07:55:56,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:56,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501804418] [2023-11-19 07:55:56,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501804418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:56,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:56,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:55:56,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657051836] [2023-11-19 07:55:56,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:56,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:55:56,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:56,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:55:56,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:56,545 INFO L87 Difference]: Start difference. First operand 1154 states and 1916 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:57,389 INFO L93 Difference]: Finished difference Result 5633 states and 9355 transitions. [2023-11-19 07:55:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:55:57,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2023-11-19 07:55:57,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:57,415 INFO L225 Difference]: With dead ends: 5633 [2023-11-19 07:55:57,416 INFO L226 Difference]: Without dead ends: 4517 [2023-11-19 07:55:57,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:55:57,420 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 24007 mSDsluCounter, 11495 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24007 SdHoareTripleChecker+Valid, 13423 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:57,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24007 Valid, 13423 Invalid, 105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:55:57,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4517 states. [2023-11-19 07:55:57,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4517 to 1174. [2023-11-19 07:55:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1173 states have (on average 1.658994032395567) internal successors, (1946), 1173 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1946 transitions. [2023-11-19 07:55:57,484 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1946 transitions. Word has length 49 [2023-11-19 07:55:57,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:57,485 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1946 transitions. [2023-11-19 07:55:57,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1946 transitions. [2023-11-19 07:55:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:55:57,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:57,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:57,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:55:57,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:57,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:57,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2142956392, now seen corresponding path program 1 times [2023-11-19 07:55:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:57,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809520881] [2023-11-19 07:55:57,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:57,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:58,132 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 07:55:58,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809520881] [2023-11-19 07:55:58,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809520881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:58,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:58,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:55:58,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442966120] [2023-11-19 07:55:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:58,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:55:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:55:58,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:58,136 INFO L87 Difference]: Start difference. First operand 1174 states and 1946 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:59,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:59,098 INFO L93 Difference]: Finished difference Result 4537 states and 7531 transitions. [2023-11-19 07:55:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:55:59,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2023-11-19 07:55:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:59,120 INFO L225 Difference]: With dead ends: 4537 [2023-11-19 07:55:59,121 INFO L226 Difference]: Without dead ends: 3421 [2023-11-19 07:55:59,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:55:59,138 INFO L413 NwaCegarLoop]: 3746 mSDtfsCounter, 9324 mSDsluCounter, 13339 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9324 SdHoareTripleChecker+Valid, 17085 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:59,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9324 Valid, 17085 Invalid, 181 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:55:59,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2023-11-19 07:55:59,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 1183. [2023-11-19 07:55:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.6573604060913705) internal successors, (1959), 1182 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1959 transitions. [2023-11-19 07:55:59,201 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1959 transitions. Word has length 50 [2023-11-19 07:55:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:59,202 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1959 transitions. [2023-11-19 07:55:59,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1959 transitions. [2023-11-19 07:55:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:55:59,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:59,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:59,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:55:59,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:55:59,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash -367949030, now seen corresponding path program 1 times [2023-11-19 07:55:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:59,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716469257] [2023-11-19 07:55:59,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:59,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:00,243 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 07:56:00,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:00,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716469257] [2023-11-19 07:56:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716469257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:00,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:00,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:00,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366984220] [2023-11-19 07:56:00,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:00,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:00,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:00,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:00,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:00,246 INFO L87 Difference]: Start difference. First operand 1183 states and 1959 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:00,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:00,486 INFO L93 Difference]: Finished difference Result 3434 states and 5691 transitions. [2023-11-19 07:56:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:56:00,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2023-11-19 07:56:00,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:00,502 INFO L225 Difference]: With dead ends: 3434 [2023-11-19 07:56:00,503 INFO L226 Difference]: Without dead ends: 2298 [2023-11-19 07:56:00,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:56:00,509 INFO L413 NwaCegarLoop]: 1909 mSDtfsCounter, 7436 mSDsluCounter, 3797 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7436 SdHoareTripleChecker+Valid, 5706 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:00,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7436 Valid, 5706 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:56:00,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2023-11-19 07:56:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 1183. [2023-11-19 07:56:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.6565143824027073) internal successors, (1958), 1182 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1958 transitions. [2023-11-19 07:56:00,558 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1958 transitions. Word has length 50 [2023-11-19 07:56:00,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:00,559 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1958 transitions. [2023-11-19 07:56:00,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1958 transitions. [2023-11-19 07:56:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:56:00,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:00,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:00,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:56:00,562 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:00,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash -505305822, now seen corresponding path program 1 times [2023-11-19 07:56:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:00,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299077481] [2023-11-19 07:56:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:01,331 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 07:56:01,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:01,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299077481] [2023-11-19 07:56:01,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299077481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:01,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:01,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:56:01,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156231548] [2023-11-19 07:56:01,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:01,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:56:01,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:01,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:56:01,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:56:01,335 INFO L87 Difference]: Start difference. First operand 1183 states and 1958 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:01,717 INFO L93 Difference]: Finished difference Result 4553 states and 7544 transitions. [2023-11-19 07:56:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:56:01,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2023-11-19 07:56:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:01,737 INFO L225 Difference]: With dead ends: 4553 [2023-11-19 07:56:01,738 INFO L226 Difference]: Without dead ends: 3420 [2023-11-19 07:56:01,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:56:01,742 INFO L413 NwaCegarLoop]: 3740 mSDtfsCounter, 9266 mSDsluCounter, 9382 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9266 SdHoareTripleChecker+Valid, 13122 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:01,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9266 Valid, 13122 Invalid, 83 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:56:01,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2023-11-19 07:56:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 1186. [2023-11-19 07:56:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1185 states have (on average 1.6548523206751056) internal successors, (1961), 1185 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1961 transitions. [2023-11-19 07:56:01,796 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1961 transitions. Word has length 51 [2023-11-19 07:56:01,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:01,797 INFO L495 AbstractCegarLoop]: Abstraction has 1186 states and 1961 transitions. [2023-11-19 07:56:01,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1961 transitions. [2023-11-19 07:56:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:56:01,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:01,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:01,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:56:01,799 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:01,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:01,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2100717732, now seen corresponding path program 1 times [2023-11-19 07:56:01,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:01,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356855406] [2023-11-19 07:56:01,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:01,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,230 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 07:56:02,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:02,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356855406] [2023-11-19 07:56:02,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356855406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:02,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:02,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:02,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223987438] [2023-11-19 07:56:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:02,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:02,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:02,234 INFO L87 Difference]: Start difference. First operand 1186 states and 1961 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:02,394 INFO L93 Difference]: Finished difference Result 3434 states and 5688 transitions. [2023-11-19 07:56:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:56:02,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2023-11-19 07:56:02,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:02,408 INFO L225 Difference]: With dead ends: 3434 [2023-11-19 07:56:02,408 INFO L226 Difference]: Without dead ends: 2298 [2023-11-19 07:56:02,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:56:02,411 INFO L413 NwaCegarLoop]: 1915 mSDtfsCounter, 7426 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7426 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:02,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7426 Valid, 5723 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:56:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2023-11-19 07:56:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 1183. [2023-11-19 07:56:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.6539763113367174) internal successors, (1955), 1182 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1955 transitions. [2023-11-19 07:56:02,455 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1955 transitions. Word has length 51 [2023-11-19 07:56:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:02,455 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1955 transitions. [2023-11-19 07:56:02,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1955 transitions. [2023-11-19 07:56:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:56:02,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:02,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:56:02,457 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:02,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1247451392, now seen corresponding path program 1 times [2023-11-19 07:56:02,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:02,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435671350] [2023-11-19 07:56:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:02,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:56:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:02,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:56:02,676 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:56:02,678 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:56:02,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:56:02,683 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:02,687 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:56:02,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:56:02,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:56:02,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 07:56:02,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 07:56:02,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:56:02,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 07:56:02,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 07:56:02,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:56:02,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 07:56:02,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 07:56:02,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 07:56:02,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 07:56:02,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 07:56:02,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 07:56:02,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 07:56:02,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:56:02,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 07:56:02,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:56:02,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 07:56:02,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 07:56:02,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 07:56:02,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 07:56:02,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 07:56:02,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-19 07:56:02,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-19 07:56:02,760 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated [2023-11-19 07:56:02,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated [2023-11-19 07:56:02,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated [2023-11-19 07:56:02,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-19 07:56:02,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-19 07:56:02,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-19 07:56:02,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated [2023-11-19 07:56:02,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated [2023-11-19 07:56:02,774 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 07:56:02,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:02 BoogieIcfgContainer [2023-11-19 07:56:02,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:56:02,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:02,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:02,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:02,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:53" (3/4) ... [2023-11-19 07:56:02,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:56:02,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:02,805 INFO L158 Benchmark]: Toolchain (without parser) took 17078.52ms. Allocated memory was 151.0MB in the beginning and 864.0MB in the end (delta: 713.0MB). Free memory was 101.3MB in the beginning and 338.3MB in the end (delta: -237.0MB). Peak memory consumption was 479.0MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,805 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:02,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.13ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 60.7MB in the end (delta: 40.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 955.83ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 60.7MB in the beginning and 91.5MB in the end (delta: -30.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,807 INFO L158 Benchmark]: Boogie Preprocessor took 1002.73ms. Allocated memory was 213.9MB in the beginning and 369.1MB in the end (delta: 155.2MB). Free memory was 91.5MB in the beginning and 227.9MB in the end (delta: -136.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,807 INFO L158 Benchmark]: RCFGBuilder took 4703.05ms. Allocated memory was 369.1MB in the beginning and 574.6MB in the end (delta: 205.5MB). Free memory was 227.9MB in the beginning and 318.5MB in the end (delta: -90.6MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,808 INFO L158 Benchmark]: TraceAbstraction took 9376.80ms. Allocated memory was 574.6MB in the beginning and 864.0MB in the end (delta: 289.4MB). Free memory was 318.5MB in the beginning and 339.3MB in the end (delta: -20.9MB). Peak memory consumption was 268.5MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,808 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 864.0MB. Free memory was 339.3MB in the beginning and 338.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:56:02,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.13ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 60.7MB in the end (delta: 40.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 955.83ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 60.7MB in the beginning and 91.5MB in the end (delta: -30.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1002.73ms. Allocated memory was 213.9MB in the beginning and 369.1MB in the end (delta: 155.2MB). Free memory was 91.5MB in the beginning and 227.9MB in the end (delta: -136.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4703.05ms. Allocated memory was 369.1MB in the beginning and 574.6MB in the end (delta: 205.5MB). Free memory was 227.9MB in the beginning and 318.5MB in the end (delta: -90.6MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9376.80ms. Allocated memory was 574.6MB in the beginning and 864.0MB in the end (delta: 289.4MB). Free memory was 318.5MB in the beginning and 339.3MB in the end (delta: -20.9MB). Peak memory consumption was 268.5MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 864.0MB. Free memory was 339.3MB in the beginning and 338.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 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~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 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~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated - GenericResult: Unfinished Backtranslation 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 228. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L32] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L33] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 3); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (3 - 1); [L38] const SORT_310 mask_SORT_310 = (SORT_310)-1 >> (sizeof(SORT_310) * 8 - 2); [L39] const SORT_310 msb_SORT_310 = (SORT_310)1 << (2 - 1); [L41] const SORT_314 mask_SORT_314 = (SORT_314)-1 >> (sizeof(SORT_314) * 8 - 5); [L42] const SORT_314 msb_SORT_314 = (SORT_314)1 << (5 - 1); [L44] const SORT_316 mask_SORT_316 = (SORT_316)-1 >> (sizeof(SORT_316) * 8 - 6); [L45] const SORT_316 msb_SORT_316 = (SORT_316)1 << (6 - 1); [L47] const SORT_318 mask_SORT_318 = (SORT_318)-1 >> (sizeof(SORT_318) * 8 - 7); [L48] const SORT_318 msb_SORT_318 = (SORT_318)1 << (7 - 1); [L50] const SORT_320 mask_SORT_320 = (SORT_320)-1 >> (sizeof(SORT_320) * 8 - 8); [L51] const SORT_320 msb_SORT_320 = (SORT_320)1 << (8 - 1); [L53] const SORT_322 mask_SORT_322 = (SORT_322)-1 >> (sizeof(SORT_322) * 8 - 9); [L54] const SORT_322 msb_SORT_322 = (SORT_322)1 << (9 - 1); [L56] const SORT_324 mask_SORT_324 = (SORT_324)-1 >> (sizeof(SORT_324) * 8 - 10); [L57] const SORT_324 msb_SORT_324 = (SORT_324)1 << (10 - 1); [L59] const SORT_326 mask_SORT_326 = (SORT_326)-1 >> (sizeof(SORT_326) * 8 - 11); [L60] const SORT_326 msb_SORT_326 = (SORT_326)1 << (11 - 1); [L62] const SORT_8 var_18 = 0; [L63] const SORT_22 var_23 = 0; [L64] const SORT_22 var_26 = 4; [L65] const SORT_22 var_29 = 5; [L66] const SORT_1 var_32 = 0; [L67] const SORT_1 var_35 = 2730; [L68] const SORT_8 var_42 = 1; [L69] const SORT_13 var_65 = 2; [L70] const SORT_13 var_70 = 9; [L71] const SORT_13 var_78 = 15; [L72] const SORT_13 var_83 = 1; [L73] const SORT_13 var_85 = 3; [L74] const SORT_13 var_88 = 5; [L75] const SORT_13 var_91 = 7; [L76] const SORT_13 var_94 = 11; [L77] const SORT_13 var_118 = 8; [L78] const SORT_13 var_122 = 10; [L79] const SORT_13 var_126 = 13; [L80] const SORT_13 var_137 = 4; [L81] const SORT_13 var_139 = 12; [L82] const SORT_13 var_142 = 14; [L83] const SORT_13 var_148 = 6; [L84] const SORT_13 var_175 = 0; [L85] const SORT_22 var_221 = 1; [L86] const SORT_1 var_250 = 4095; [L87] const SORT_1 var_580 = 1; [L88] const SORT_326 var_598 = 0; [L90] SORT_1 input_2; [L91] SORT_1 input_3; [L92] SORT_1 input_4; [L93] SORT_1 input_5; [L94] SORT_1 input_6; [L95] SORT_1 input_7; [L96] SORT_8 input_9; [L97] SORT_8 input_10; [L98] SORT_8 input_11; [L99] SORT_1 input_12; [L100] SORT_13 input_14; [L101] SORT_8 input_15; [L102] SORT_8 input_16; [L103] SORT_8 input_17; [L104] SORT_1 input_217; [L105] SORT_1 input_237; [L106] SORT_22 input_240; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_8 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L108] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_22 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L109] SORT_22 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L110] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L111] SORT_1 state_38 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L112] SORT_1 state_40 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L113] SORT_1 state_44 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L114] SORT_1 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L115] SORT_1 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L116] SORT_1 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L117] SORT_1 state_67 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_22 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L118] SORT_22 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L119] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L119] SORT_1 state_135 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L121] SORT_8 init_20_arg_1 = var_18; [L122] state_19 = init_20_arg_1 [L123] SORT_22 init_25_arg_1 = var_23; [L124] state_24 = init_25_arg_1 [L125] SORT_1 init_34_arg_1 = var_32; [L126] state_33 = init_34_arg_1 [L127] SORT_1 init_39_arg_1 = var_32; [L128] state_38 = init_39_arg_1 [L129] SORT_1 init_41_arg_1 = var_32; [L130] state_40 = init_41_arg_1 [L131] SORT_1 init_45_arg_1 = var_32; [L132] state_44 = init_45_arg_1 [L133] SORT_1 init_47_arg_1 = var_32; [L134] state_46 = init_47_arg_1 [L135] SORT_1 init_51_arg_1 = var_32; [L136] state_50 = init_51_arg_1 [L137] SORT_1 init_53_arg_1 = var_32; [L138] state_52 = init_53_arg_1 [L139] SORT_1 init_68_arg_1 = var_32; [L140] state_67 = init_68_arg_1 [L141] SORT_22 init_107_arg_1 = var_23; [L142] state_106 = init_107_arg_1 [L143] SORT_1 init_136_arg_1 = var_32; [L144] state_135 = init_136_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L147] input_2 = __VERIFIER_nondet_ushort() [L148] input_3 = __VERIFIER_nondet_ushort() [L149] input_4 = __VERIFIER_nondet_ushort() [L150] input_5 = __VERIFIER_nondet_ushort() [L151] input_6 = __VERIFIER_nondet_ushort() [L152] input_7 = __VERIFIER_nondet_ushort() [L153] input_9 = __VERIFIER_nondet_uchar() [L154] input_10 = __VERIFIER_nondet_uchar() [L155] input_11 = __VERIFIER_nondet_uchar() [L156] EXPR input_11 & mask_SORT_8 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L156] input_11 = input_11 & mask_SORT_8 [L157] input_12 = __VERIFIER_nondet_ushort() [L158] input_14 = __VERIFIER_nondet_uchar() [L159] EXPR input_14 & mask_SORT_13 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L159] input_14 = input_14 & mask_SORT_13 [L160] input_15 = __VERIFIER_nondet_uchar() [L161] input_16 = __VERIFIER_nondet_uchar() [L162] input_17 = __VERIFIER_nondet_uchar() [L163] input_217 = __VERIFIER_nondet_ushort() [L164] input_237 = __VERIFIER_nondet_ushort() [L165] input_240 = __VERIFIER_nondet_uchar() [L168] SORT_8 var_21_arg_0 = state_19; [L169] SORT_8 var_21_arg_1 = var_18; [L170] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L171] SORT_22 var_27_arg_0 = state_24; [L172] SORT_22 var_27_arg_1 = var_26; [L173] SORT_8 var_27 = var_27_arg_0 == var_27_arg_1; [L174] SORT_8 var_28_arg_0 = var_21; [L175] SORT_8 var_28_arg_1 = var_27; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L176] EXPR var_28_arg_0 | var_28_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L176] SORT_8 var_28 = var_28_arg_0 | var_28_arg_1; [L177] SORT_22 var_30_arg_0 = state_24; [L178] SORT_22 var_30_arg_1 = var_29; [L179] SORT_8 var_30 = var_30_arg_0 == var_30_arg_1; [L180] SORT_8 var_31_arg_0 = var_28; [L181] SORT_8 var_31_arg_1 = var_30; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L182] EXPR var_31_arg_0 | var_31_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L182] SORT_8 var_31 = var_31_arg_0 | var_31_arg_1; [L183] SORT_1 var_36_arg_0 = state_33; [L184] SORT_1 var_36_arg_1 = var_35; [L185] SORT_8 var_36 = var_36_arg_0 != var_36_arg_1; [L186] SORT_8 var_37_arg_0 = var_31; [L187] SORT_8 var_37_arg_1 = var_36; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L188] EXPR var_37_arg_0 | var_37_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L188] SORT_8 var_37 = var_37_arg_0 | var_37_arg_1; [L189] SORT_8 var_55_arg_0 = var_42; [L190] SORT_1 var_55_arg_1 = input_7; [L191] SORT_1 var_55_arg_2 = input_6; [L192] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L193] SORT_8 var_54_arg_0 = var_42; [L194] SORT_1 var_54_arg_1 = state_52; [L195] SORT_1 var_54_arg_2 = state_50; [L196] SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L197] SORT_8 var_56_arg_0 = var_18; [L198] SORT_1 var_56_arg_1 = var_55; [L199] SORT_1 var_56_arg_2 = var_54; [L200] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L201] SORT_8 var_48_arg_0 = var_42; [L202] SORT_1 var_48_arg_1 = state_46; [L203] SORT_1 var_48_arg_2 = state_44; [L204] SORT_1 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L205] SORT_8 var_43_arg_0 = var_42; [L206] SORT_1 var_43_arg_1 = state_40; [L207] SORT_1 var_43_arg_2 = state_38; [L208] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L209] SORT_8 var_49_arg_0 = var_18; [L210] SORT_1 var_49_arg_1 = var_48; [L211] SORT_1 var_49_arg_2 = var_43; [L212] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L213] SORT_8 var_57_arg_0 = var_42; [L214] SORT_1 var_57_arg_1 = var_56; [L215] SORT_1 var_57_arg_2 = var_49; [L216] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L217] EXPR var_57 & mask_SORT_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L217] var_57 = var_57 & mask_SORT_1 [L218] SORT_1 var_58_arg_0 = var_57; [L219] SORT_1 var_58_arg_1 = var_35; [L220] SORT_8 var_58 = var_58_arg_0 == var_58_arg_1; [L221] SORT_8 var_59_arg_0 = var_37; [L222] SORT_8 var_59_arg_1 = var_58; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_58=0, var_58_arg_0=0, var_58_arg_1=2730, var_598=0, var_59_arg_0=1, var_59_arg_1=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L223] EXPR var_59_arg_0 | var_59_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_58=0, var_58_arg_0=0, var_58_arg_1=2730, var_598=0, var_59_arg_0=1, var_59_arg_1=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L223] SORT_8 var_59 = var_59_arg_0 | var_59_arg_1; [L224] SORT_8 var_62_arg_0 = var_59; [L225] SORT_8 var_62 = ~var_62_arg_0; [L226] SORT_8 var_63_arg_0 = var_42; [L227] SORT_8 var_63_arg_1 = var_62; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_58=0, var_58_arg_0=0, var_58_arg_1=2730, var_598=0, var_59=1, var_59_arg_0=1, var_59_arg_1=0, var_62=254, var_62_arg_0=1, var_63_arg_0=1, var_63_arg_1=254, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L228] EXPR var_63_arg_0 & var_63_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_58=0, var_58_arg_0=0, var_58_arg_1=2730, var_598=0, var_59=1, var_59_arg_0=1, var_59_arg_1=0, var_62=254, var_62_arg_0=1, var_63_arg_0=1, var_63_arg_1=254, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L228] SORT_8 var_63 = var_63_arg_0 & var_63_arg_1; [L229] EXPR var_63 & mask_SORT_8 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_58=0, var_58_arg_0=0, var_58_arg_1=2730, var_598=0, var_59=1, var_59_arg_0=1, var_59_arg_1=0, var_62=254, var_62_arg_0=1, var_63=1, var_63_arg_0=1, var_63_arg_1=254, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L229] var_63 = var_63 & mask_SORT_8 [L230] SORT_8 bad_64_arg_0 = var_63; [L231] CALL __VERIFIER_assert(!(bad_64_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1154 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57461 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57461 mSDsluCounter, 66504 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49446 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 454 IncrementalHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 17058 mSDtfsCounter, 454 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1186occurred in iteration=6, InterpolantAutomatonStates: 59, 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, 7 MinimizatonAttempts, 10046 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 1544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:56:02,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:05,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:05,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:56:05,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:05,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:05,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:05,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:05,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:05,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:05,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:05,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:05,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:05,766 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:05,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:05,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:05,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:05,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:05,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:05,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:05,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:56:05,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:56:05,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:56:05,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:05,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:05,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:05,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:05,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:05,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:05,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:05,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:05,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:05,777 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:56:05,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:56:05,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:05,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:05,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:05,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:05,778 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:56:05,778 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:05,779 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 [2023-11-19 07:56:06,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:06,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:06,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:06,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:06,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:06,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:56:09,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:09,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:09,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:56:09,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/f8bad03fc/e232f35b82504cac9ad296f7fcb43158/FLAG0e1ccfe7d [2023-11-19 07:56:09,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/data/f8bad03fc/e232f35b82504cac9ad296f7fcb43158 [2023-11-19 07:56:09,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:09,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:10,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:10,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:10,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:10,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:09" (1/1) ... [2023-11-19 07:56:10,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb075b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:10, skipping insertion in model container [2023-11-19 07:56:10,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:09" (1/1) ... [2023-11-19 07:56:10,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:10,319 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1260,1273] [2023-11-19 07:56:10,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:10,796 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:10,807 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_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1260,1273] [2023-11-19 07:56:11,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:11,049 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:11,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11 WrapperNode [2023-11-19 07:56:11,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:11,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:11,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:11,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:11,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,244 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1854 [2023-11-19 07:56:11,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:11,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:11,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:11,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:11,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:11,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:11,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:11,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:11,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (1/1) ... [2023-11-19 07:56:11,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:11,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:11,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:56:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:11,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:11,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:15,621 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:15,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:15,628 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:56:15,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:15 BoogieIcfgContainer [2023-11-19 07:56:15,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:15,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:15,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:15,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:15,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:09" (1/3) ... [2023-11-19 07:56:15,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602d59d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:15, skipping insertion in model container [2023-11-19 07:56:15,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:11" (2/3) ... [2023-11-19 07:56:15,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602d59d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:15, skipping insertion in model container [2023-11-19 07:56:15,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:15" (3/3) ... [2023-11-19 07:56:15,639 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2023-11-19 07:56:15,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:15,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:56:15,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:56:15,714 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;@5813c20d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:56:15,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:56:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:56:15,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:15,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:56:15,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:15,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 07:56:15,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:56:15,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275689152] [2023-11-19 07:56:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:15,753 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 07:56:15,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:56:15,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:15,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:16,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:56:16,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:16,694 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 07:56:16,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:56:16,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:56:16,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275689152] [2023-11-19 07:56:16,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275689152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:16,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:16,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:16,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753764180] [2023-11-19 07:56:16,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:16,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:16,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:56:16,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:16,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:16,746 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:17,134 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 07:56:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:56:17,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 07:56:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:17,149 INFO L225 Difference]: With dead ends: 19 [2023-11-19 07:56:17,149 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 07:56:17,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:17,157 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:17,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:56:17,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 07:56:17,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 07:56:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 07:56:17,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 07:56:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:17,189 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:56:17,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 07:56:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 07:56:17,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:17,190 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:17,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:17,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:17,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:17,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:17,394 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 07:56:17,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:56:17,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235600252] [2023-11-19 07:56:17,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:17,398 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 07:56:17,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:56:17,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:20,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 07:56:20,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:20,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:56:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:21,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:56:21,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235600252] [2023-11-19 07:56:21,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235600252] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:56:21,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:56:21,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:56:21,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705555514] [2023-11-19 07:56:21,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:56:21,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:56:21,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:56:21,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:56:21,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:56:21,525 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:22,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:22,211 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 07:56:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:56:22,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 07:56:22,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:22,212 INFO L225 Difference]: With dead ends: 15 [2023-11-19 07:56:22,212 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 07:56:22,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:56:22,214 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:22,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:56:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 07:56:22,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 07:56:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 07:56:22,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 07:56:22,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:22,221 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 07:56:22,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 07:56:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:56:22,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:22,222 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 07:56:22,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:22,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:22,423 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:22,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 07:56:22,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:56:22,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025375064] [2023-11-19 07:56:22,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:56:22,430 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 07:56:22,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:56:22,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:22,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb50cf33-7b03-4e5b-9b02-e0245ab7c6c9/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 07:56:29,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:56:29,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:56:29,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 3150 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 07:56:29,715 INFO L285 TraceCheckSpWp]: Computing forward predicates...