./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:12,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:12,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:28:12,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:12,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:12,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:12,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:12,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:12,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:12,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:12,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:12,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:12,623 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:12,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:12,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:12,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:12,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:12,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:12,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:12,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:12,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:12,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:12,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:12,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:12,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:12,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:12,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:12,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:12,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:12,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:28:12,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:28:12,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:12,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:12,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:12,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:12,637 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:12,637 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2023-11-12 02:28:12,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:13,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:13,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:13,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:13,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:13,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:16,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:16,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:16,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:16,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/49747abbb/e644b6774fe545b18a3fd67f607b8a71/FLAG7ffdede1f [2023-11-12 02:28:16,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/49747abbb/e644b6774fe545b18a3fd67f607b8a71 [2023-11-12 02:28:16,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:16,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:16,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:16,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:16,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:16,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:16" (1/1) ... [2023-11-12 02:28:16,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80311b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:16, skipping insertion in model container [2023-11-12 02:28:16,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:16" (1/1) ... [2023-11-12 02:28:16,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:17,044 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2023-11-12 02:28:17,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:17,446 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:17,459 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2023-11-12 02:28:17,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:17,765 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:17,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17 WrapperNode [2023-11-12 02:28:17,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:17,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:17,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:17,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:17,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:17,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:18,544 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5332 [2023-11-12 02:28:18,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:18,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:18,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:18,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:18,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:18,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:18,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:18,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:18,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:19,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:19,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:19,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:19,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:19,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:19,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:19,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:19,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (1/1) ... [2023-11-12 02:28:19,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:19,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:19,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:19,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:28:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:19,835 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:19,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:24,621 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:24,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:24,649 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:28:24,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:24 BoogieIcfgContainer [2023-11-12 02:28:24,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:24,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:24,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:24,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:24,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:16" (1/3) ... [2023-11-12 02:28:24,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510e7105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:24, skipping insertion in model container [2023-11-12 02:28:24,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:17" (2/3) ... [2023-11-12 02:28:24,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510e7105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:24, skipping insertion in model container [2023-11-12 02:28:24,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:24" (3/3) ... [2023-11-12 02:28:24,664 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:24,686 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:24,686 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:28:24,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:28:24,781 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;@508db7b1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:28:24,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:28:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 1231 states, 1229 states have (on average 1.6688364524003254) internal successors, (2051), 1230 states have internal predecessors, (2051), 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) [2023-11-12 02:28:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-12 02:28:24,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:24,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:24,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:24,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 131203596, now seen corresponding path program 1 times [2023-11-12 02:28:24,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:24,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175107366] [2023-11-12 02:28:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:24,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:25,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:25,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175107366] [2023-11-12 02:28:25,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175107366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:25,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:25,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:25,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394319687] [2023-11-12 02:28:25,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:25,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:25,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:25,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:25,921 INFO L87 Difference]: Start difference. First operand has 1231 states, 1229 states have (on average 1.6688364524003254) internal successors, (2051), 1230 states have internal predecessors, (2051), 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 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-12 02:28:26,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:26,090 INFO L93 Difference]: Finished difference Result 2389 states and 3985 transitions. [2023-11-12 02:28:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:28:26,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2023-11-12 02:28:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:26,123 INFO L225 Difference]: With dead ends: 2389 [2023-11-12 02:28:26,124 INFO L226 Difference]: Without dead ends: 1229 [2023-11-12 02:28:26,134 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 [2023-11-12 02:28:26,140 INFO L413 NwaCegarLoop]: 2043 mSDtfsCounter, 1 mSDsluCounter, 4080 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6123 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 [2023-11-12 02:28:26,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6123 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:28:26,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2023-11-12 02:28:26,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2023-11-12 02:28:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1228 states have (on average 1.6669381107491856) internal successors, (2047), 1228 states have internal predecessors, (2047), 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) [2023-11-12 02:28:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2047 transitions. [2023-11-12 02:28:26,261 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2047 transitions. Word has length 79 [2023-11-12 02:28:26,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:26,263 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 2047 transitions. [2023-11-12 02:28:26,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-12 02:28:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2047 transitions. [2023-11-12 02:28:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:28:26,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:26,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:26,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:28:26,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:26,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:26,271 INFO L85 PathProgramCache]: Analyzing trace with hash -225930428, now seen corresponding path program 1 times [2023-11-12 02:28:26,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:26,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622148972] [2023-11-12 02:28:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:26,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:26,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:26,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622148972] [2023-11-12 02:28:26,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622148972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:26,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:26,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:26,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787902590] [2023-11-12 02:28:26,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:26,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:26,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:26,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:26,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:26,653 INFO L87 Difference]: Start difference. First operand 1229 states and 2047 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-12 02:28:26,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:26,748 INFO L93 Difference]: Finished difference Result 2390 states and 3981 transitions. [2023-11-12 02:28:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:28:26,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-11-12 02:28:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:26,757 INFO L225 Difference]: With dead ends: 2390 [2023-11-12 02:28:26,757 INFO L226 Difference]: Without dead ends: 1232 [2023-11-12 02:28:26,764 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 [2023-11-12 02:28:26,767 INFO L413 NwaCegarLoop]: 2043 mSDtfsCounter, 1 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6120 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 [2023-11-12 02:28:26,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:28:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2023-11-12 02:28:26,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1231. [2023-11-12 02:28:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1230 states have (on average 1.6658536585365853) internal successors, (2049), 1230 states have internal predecessors, (2049), 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) [2023-11-12 02:28:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2049 transitions. [2023-11-12 02:28:26,805 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2049 transitions. Word has length 80 [2023-11-12 02:28:26,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:26,808 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 2049 transitions. [2023-11-12 02:28:26,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-12 02:28:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2049 transitions. [2023-11-12 02:28:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-12 02:28:26,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:26,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:26,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:28:26,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:26,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1375659302, now seen corresponding path program 1 times [2023-11-12 02:28:26,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:26,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131804485] [2023-11-12 02:28:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:26,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:27,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:27,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131804485] [2023-11-12 02:28:27,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131804485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:27,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:27,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:27,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313910763] [2023-11-12 02:28:27,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:27,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:27,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:27,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:27,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:27,099 INFO L87 Difference]: Start difference. First operand 1231 states and 2049 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2023-11-12 02:28:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:27,259 INFO L93 Difference]: Finished difference Result 3541 states and 5898 transitions. [2023-11-12 02:28:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:28:27,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2023-11-12 02:28:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:27,274 INFO L225 Difference]: With dead ends: 3541 [2023-11-12 02:28:27,274 INFO L226 Difference]: Without dead ends: 2381 [2023-11-12 02:28:27,276 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 [2023-11-12 02:28:27,278 INFO L413 NwaCegarLoop]: 2099 mSDtfsCounter, 1914 mSDsluCounter, 4129 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 6228 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:27,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 6228 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:28:27,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2023-11-12 02:28:27,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1233. [2023-11-12 02:28:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 1232 states have (on average 1.6647727272727273) internal successors, (2051), 1232 states have internal predecessors, (2051), 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) [2023-11-12 02:28:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 2051 transitions. [2023-11-12 02:28:27,361 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 2051 transitions. Word has length 81 [2023-11-12 02:28:27,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:27,362 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 2051 transitions. [2023-11-12 02:28:27,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2023-11-12 02:28:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 2051 transitions. [2023-11-12 02:28:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-12 02:28:27,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:27,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:27,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:28:27,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:27,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1295672618, now seen corresponding path program 1 times [2023-11-12 02:28:27,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:27,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417197684] [2023-11-12 02:28:27,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:27,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:27,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417197684] [2023-11-12 02:28:27,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417197684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:27,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:27,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:27,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423445458] [2023-11-12 02:28:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:27,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:27,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:27,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:27,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:27,663 INFO L87 Difference]: Start difference. First operand 1233 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2023-11-12 02:28:27,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:27,804 INFO L93 Difference]: Finished difference Result 3547 states and 5904 transitions. [2023-11-12 02:28:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:28:27,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2023-11-12 02:28:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:27,819 INFO L225 Difference]: With dead ends: 3547 [2023-11-12 02:28:27,819 INFO L226 Difference]: Without dead ends: 2385 [2023-11-12 02:28:27,821 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 [2023-11-12 02:28:27,822 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 1911 mSDsluCounter, 4124 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 6218 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:27,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1911 Valid, 6218 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:28:27,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2023-11-12 02:28:27,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 1236. [2023-11-12 02:28:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 1235 states have (on average 1.6647773279352227) internal successors, (2056), 1235 states have internal predecessors, (2056), 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) [2023-11-12 02:28:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 2056 transitions. [2023-11-12 02:28:27,868 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 2056 transitions. Word has length 82 [2023-11-12 02:28:27,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:27,868 INFO L495 AbstractCegarLoop]: Abstraction has 1236 states and 2056 transitions. [2023-11-12 02:28:27,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2023-11-12 02:28:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 2056 transitions. [2023-11-12 02:28:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-12 02:28:27,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:27,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:27,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:28:27,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:27,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:27,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1858817214, now seen corresponding path program 1 times [2023-11-12 02:28:27,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:27,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14793414] [2023-11-12 02:28:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:27,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:28,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:28,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14793414] [2023-11-12 02:28:28,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14793414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:28,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:28,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:28:28,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590891591] [2023-11-12 02:28:28,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:28,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:28:28,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:28,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:28:28,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:28:28,486 INFO L87 Difference]: Start difference. First operand 1236 states and 2056 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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) [2023-11-12 02:28:30,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:30,863 INFO L93 Difference]: Finished difference Result 3568 states and 5936 transitions. [2023-11-12 02:28:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:28:30,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2023-11-12 02:28:30,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:30,878 INFO L225 Difference]: With dead ends: 3568 [2023-11-12 02:28:30,878 INFO L226 Difference]: Without dead ends: 2403 [2023-11-12 02:28:30,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:28:30,881 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 5777 mSDsluCounter, 4774 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5777 SdHoareTripleChecker+Valid, 6374 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:30,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5777 Valid, 6374 Invalid, 1960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-12 02:28:30,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2023-11-12 02:28:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 1245. [2023-11-12 02:28:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1244 states have (on average 1.6615755627009647) internal successors, (2067), 1244 states have internal predecessors, (2067), 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) [2023-11-12 02:28:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2067 transitions. [2023-11-12 02:28:30,921 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2067 transitions. Word has length 83 [2023-11-12 02:28:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:30,922 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 2067 transitions. [2023-11-12 02:28:30,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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) [2023-11-12 02:28:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2067 transitions. [2023-11-12 02:28:30,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-12 02:28:30,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:30,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:30,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:28:30,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:30,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2043123072, now seen corresponding path program 1 times [2023-11-12 02:28:30,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729230046] [2023-11-12 02:28:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:30,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:28:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:28:31,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:28:31,112 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:28:31,113 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:28:31,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:28:31,118 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:28:31,122 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:28:31,177 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:28:31,177 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-12 02:28:31,178 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-12 02:28:31,179 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 02:28:31,179 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-12 02:28:31,179 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:28:31,180 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-12 02:28:31,180 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-12 02:28:31,181 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-12 02:28:31,181 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-12 02:28:31,181 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-12 02:28:31,182 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-12 02:28:31,182 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-12 02:28:31,183 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-12 02:28:31,183 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-12 02:28:31,184 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-12 02:28:31,184 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-12 02:28:31,185 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:28:31,185 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-12 02:28:31,185 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-12 02:28:31,186 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-12 02:28:31,186 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-12 02:28:31,187 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-12 02:28:31,187 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-12 02:28:31,188 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-12 02:28:31,188 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-12 02:28:31,189 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-12 02:28:31,190 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-12 02:28:31,190 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-12 02:28:31,190 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-12 02:28:31,191 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-12 02:28:31,192 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-12 02:28:31,192 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-12 02:28:31,192 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-12 02:28:31,193 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated [2023-11-12 02:28:31,193 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-12 02:28:31,194 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated [2023-11-12 02:28:31,194 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2023-11-12 02:28:31,195 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated [2023-11-12 02:28:31,195 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated [2023-11-12 02:28:31,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated [2023-11-12 02:28:31,196 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated [2023-11-12 02:28:31,197 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-12 02:28:31,197 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated [2023-11-12 02:28:31,197 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated [2023-11-12 02:28:31,198 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-12 02:28:31,199 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated [2023-11-12 02:28:31,201 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated [2023-11-12 02:28:31,202 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated [2023-11-12 02:28:31,203 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated [2023-11-12 02:28:31,204 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-12 02:28:31,205 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet67 could not be translated [2023-11-12 02:28:31,206 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet69 could not be translated [2023-11-12 02:28:31,207 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet71 could not be translated [2023-11-12 02:28:31,208 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet73 could not be translated [2023-11-12 02:28:31,211 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet77 could not be translated [2023-11-12 02:28:31,213 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet78 could not be translated [2023-11-12 02:28:31,215 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated [2023-11-12 02:28:31,216 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet80 could not be translated [2023-11-12 02:28:31,217 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet81 could not be translated [2023-11-12 02:28:31,218 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:28:31,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:28:31 BoogieIcfgContainer [2023-11-12 02:28:31,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:28:31,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:28:31,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:28:31,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:28:31,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:24" (3/4) ... [2023-11-12 02:28:31,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:28:31,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:28:31,247 INFO L158 Benchmark]: Toolchain (without parser) took 14584.60ms. Allocated memory was 169.9MB in the beginning and 681.6MB in the end (delta: 511.7MB). Free memory was 135.4MB in the beginning and 382.2MB in the end (delta: -246.9MB). Peak memory consumption was 267.2MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,247 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:28:31,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.81ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 119.0MB in the end (delta: 16.3MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 777.67ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 119.0MB in the beginning and 136.0MB in the end (delta: -17.0MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,248 INFO L158 Benchmark]: Boogie Preprocessor took 634.99ms. Allocated memory is still 247.5MB. Free memory was 136.0MB in the beginning and 109.8MB in the end (delta: 26.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,249 INFO L158 Benchmark]: RCFGBuilder took 5470.84ms. Allocated memory was 247.5MB in the beginning and 681.6MB in the end (delta: 434.1MB). Free memory was 109.8MB in the beginning and 431.3MB in the end (delta: -321.5MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,249 INFO L158 Benchmark]: TraceAbstraction took 6584.29ms. Allocated memory is still 681.6MB. Free memory was 431.3MB in the beginning and 383.3MB in the end (delta: 48.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,250 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 681.6MB. Free memory was 383.3MB in the beginning and 382.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:28:31,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.81ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 119.0MB in the end (delta: 16.3MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 777.67ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 119.0MB in the beginning and 136.0MB in the end (delta: -17.0MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 634.99ms. Allocated memory is still 247.5MB. Free memory was 136.0MB in the beginning and 109.8MB in the end (delta: 26.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5470.84ms. Allocated memory was 247.5MB in the beginning and 681.6MB in the end (delta: 434.1MB). Free memory was 109.8MB in the beginning and 431.3MB in the end (delta: -321.5MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6584.29ms. Allocated memory is still 681.6MB. Free memory was 431.3MB in the beginning and 383.3MB in the end (delta: 48.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 681.6MB. Free memory was 383.3MB in the beginning and 382.2MB 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~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 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~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet46 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~nondet57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet81 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 194. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_4 var_53 = 1; [L41] const SORT_4 var_54 = 0; [L42] const SORT_2 var_63 = 1; [L43] const SORT_3 var_65 = 0; [L44] const SORT_4 var_68 = 3; [L45] const SORT_2 var_72 = 0; [L46] const SORT_4 var_122 = 2; [L47] const SORT_2 var_125 = 2; [L49] SORT_1 input_64; [L50] SORT_1 input_74; [L51] SORT_1 input_76; [L52] SORT_1 input_83; [L53] SORT_1 input_85; [L54] SORT_1 input_92; [L55] SORT_1 input_143; [L56] SORT_1 input_147; [L57] SORT_1 input_150; [L58] SORT_1 input_151; [L59] SORT_1 input_152; [L60] SORT_1 input_153; [L61] SORT_1 input_161; [L62] SORT_1 input_167; [L63] SORT_1 input_173; [L64] SORT_1 input_188; [L65] SORT_1 input_206; [L66] SORT_1 input_224; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L75] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L76] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L78] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L79] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L80] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L81] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L82] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L83] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L84] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L85] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L86] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L87] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L88] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L89] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L90] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_2 init_7_arg_1 = var_5; [L93] state_6 = init_7_arg_1 [L94] SORT_2 init_9_arg_1 = var_5; [L95] state_8 = init_9_arg_1 [L96] SORT_2 init_11_arg_1 = var_5; [L97] state_10 = init_11_arg_1 [L98] SORT_2 init_13_arg_1 = var_5; [L99] state_12 = init_13_arg_1 [L100] SORT_2 init_15_arg_1 = var_5; [L101] state_14 = init_15_arg_1 [L102] SORT_2 init_17_arg_1 = var_5; [L103] state_16 = init_17_arg_1 [L104] SORT_2 init_19_arg_1 = var_5; [L105] state_18 = init_19_arg_1 [L106] SORT_1 init_22_arg_1 = var_20; [L107] state_21 = init_22_arg_1 [L108] SORT_1 init_24_arg_1 = var_20; [L109] state_23 = init_24_arg_1 [L110] SORT_1 init_26_arg_1 = var_20; [L111] state_25 = init_26_arg_1 [L112] SORT_1 init_28_arg_1 = var_20; [L113] state_27 = init_28_arg_1 [L114] SORT_1 init_30_arg_1 = var_20; [L115] state_29 = init_30_arg_1 [L116] SORT_1 init_32_arg_1 = var_20; [L117] state_31 = init_32_arg_1 [L118] SORT_1 init_34_arg_1 = var_20; [L119] state_33 = init_34_arg_1 [L120] SORT_1 init_36_arg_1 = var_20; [L121] state_35 = init_36_arg_1 [L122] SORT_1 init_38_arg_1 = var_20; [L123] state_37 = init_38_arg_1 [L124] SORT_1 init_40_arg_1 = var_20; [L125] state_39 = init_40_arg_1 [L126] SORT_1 init_42_arg_1 = var_20; [L127] state_41 = init_42_arg_1 [L128] SORT_1 init_44_arg_1 = var_20; [L129] state_43 = init_44_arg_1 [L130] SORT_1 init_46_arg_1 = var_20; [L131] state_45 = init_46_arg_1 [L132] SORT_1 init_48_arg_1 = var_20; [L133] state_47 = init_48_arg_1 [L134] SORT_1 init_50_arg_1 = var_20; [L135] state_49 = init_50_arg_1 [L136] SORT_1 init_52_arg_1 = var_20; [L137] state_51 = init_52_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L140] input_64 = __VERIFIER_nondet_uchar() [L141] input_74 = __VERIFIER_nondet_uchar() [L142] input_76 = __VERIFIER_nondet_uchar() [L143] input_83 = __VERIFIER_nondet_uchar() [L144] input_85 = __VERIFIER_nondet_uchar() [L145] input_92 = __VERIFIER_nondet_uchar() [L146] input_143 = __VERIFIER_nondet_uchar() [L147] EXPR input_143 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L147] input_143 = input_143 & mask_SORT_1 [L148] input_147 = __VERIFIER_nondet_uchar() [L149] EXPR input_147 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L149] input_147 = input_147 & mask_SORT_1 [L150] input_150 = __VERIFIER_nondet_uchar() [L151] EXPR input_150 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L151] input_150 = input_150 & mask_SORT_1 [L152] input_151 = __VERIFIER_nondet_uchar() [L153] EXPR input_151 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L153] input_151 = input_151 & mask_SORT_1 [L154] input_152 = __VERIFIER_nondet_uchar() [L155] EXPR input_152 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L155] input_152 = input_152 & mask_SORT_1 [L156] input_153 = __VERIFIER_nondet_uchar() [L157] EXPR input_153 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L157] input_153 = input_153 & mask_SORT_1 [L158] input_161 = __VERIFIER_nondet_uchar() [L159] EXPR input_161 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L159] input_161 = input_161 & mask_SORT_1 [L160] input_167 = __VERIFIER_nondet_uchar() [L161] EXPR input_167 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L161] input_167 = input_167 & mask_SORT_1 [L162] input_173 = __VERIFIER_nondet_uchar() [L163] EXPR input_173 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L163] input_173 = input_173 & mask_SORT_1 [L164] input_188 = __VERIFIER_nondet_uchar() [L165] input_206 = __VERIFIER_nondet_uchar() [L166] input_224 = __VERIFIER_nondet_uchar() [L169] SORT_1 var_55_arg_0 = state_29; [L170] SORT_4 var_55_arg_1 = var_53; [L171] SORT_4 var_55_arg_2 = var_54; [L172] SORT_4 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L173] SORT_1 var_56_arg_0 = state_39; [L174] SORT_4 var_56_arg_1 = var_53; [L175] SORT_4 var_56_arg_2 = var_54; [L176] SORT_4 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L177] SORT_4 var_57_arg_0 = var_55; [L178] SORT_4 var_57_arg_1 = var_56; [L179] SORT_4 var_57 = var_57_arg_0 + var_57_arg_1; [L180] SORT_1 var_58_arg_0 = state_49; [L181] SORT_4 var_58_arg_1 = var_53; [L182] SORT_4 var_58_arg_2 = var_54; [L183] SORT_4 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L184] SORT_4 var_59_arg_0 = var_57; [L185] SORT_4 var_59_arg_1 = var_58; [L186] SORT_4 var_59 = var_59_arg_0 + var_59_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L187] EXPR var_59 & mask_SORT_4 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L187] var_59 = var_59 & mask_SORT_4 [L188] SORT_4 var_60_arg_0 = var_59; [L189] SORT_4 var_60_arg_1 = var_53; [L190] SORT_1 var_60 = var_60_arg_0 <= var_60_arg_1; [L191] SORT_1 var_61_arg_0 = ~state_51; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_72=0] [L192] EXPR var_61_arg_0 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_72=0] [L192] var_61_arg_0 = var_61_arg_0 & mask_SORT_1 [L193] SORT_1 var_61_arg_1 = ~var_60; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_72=0] [L194] EXPR var_61_arg_1 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_72=0] [L194] var_61_arg_1 = var_61_arg_1 & mask_SORT_1 [L195] EXPR var_61_arg_0 & var_61_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_72=0] [L195] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L196] EXPR var_61 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_72=0] [L196] var_61 = var_61 & mask_SORT_1 [L197] SORT_1 bad_62_arg_0 = var_61; [L198] CALL __VERIFIER_assert(!(bad_62_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, 1231 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9604 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9604 mSDsluCounter, 31063 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21184 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2021 IncrementalHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9879 mSDtfsCounter, 2021 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 3456 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 870 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2023-11-12 02:28:31,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:34,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:34,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-12 02:28:34,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:34,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:34,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:34,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:34,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:34,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:34,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:34,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:34,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:34,195 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:34,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:34,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:34,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:34,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:34,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:34,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:34,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:28:34,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:28:34,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:28:34,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:34,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:34,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:34,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:34,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:34,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:34,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:34,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:34,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:34,207 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:28:34,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:28:34,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:34,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:34,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:34,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:34,208 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:28:34,208 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:34,209 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2023-11-12 02:28:34,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:34,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:34,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:34,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:34,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:34,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:37,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:38,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:38,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:38,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/6cd46ba04/db13bc6f29ba4243a5bff4dd0e9e5cef/FLAGb307fd826 [2023-11-12 02:28:38,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/data/6cd46ba04/db13bc6f29ba4243a5bff4dd0e9e5cef [2023-11-12 02:28:38,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:38,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:38,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:38,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:38,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:38,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adce34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38, skipping insertion in model container [2023-11-12 02:28:38,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:38,730 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2023-11-12 02:28:39,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:39,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:39,071 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_8379272c-7c8e-4ac5-a42f-239a661eb96e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188] [2023-11-12 02:28:39,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:39,310 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:39,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39 WrapperNode [2023-11-12 02:28:39,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:39,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:39,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:39,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:39,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,483 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372 [2023-11-12 02:28:39,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:39,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:39,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:39,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:39,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:39,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:39,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:39,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:39,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (1/1) ... [2023-11-12 02:28:39,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:39,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:39,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:39,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:39,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:39,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:28:39,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:40,071 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:40,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:43,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:43,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:43,808 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:28:43,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:43 BoogieIcfgContainer [2023-11-12 02:28:43,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:43,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:43,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:43,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:43,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:38" (1/3) ... [2023-11-12 02:28:43,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fee226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:43, skipping insertion in model container [2023-11-12 02:28:43,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:39" (2/3) ... [2023-11-12 02:28:43,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fee226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:43, skipping insertion in model container [2023-11-12 02:28:43,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:43" (3/3) ... [2023-11-12 02:28:43,829 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2023-11-12 02:28:43,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:43,852 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:28:43,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:28:43,918 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;@588ee21b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:28:43,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:28:43,924 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) [2023-11-12 02:28:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 02:28:43,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:43,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:28:43,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:43,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:43,939 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 02:28:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:28:43,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704076834] [2023-11-12 02:28:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:43,957 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 [2023-11-12 02:28:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:28:43,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:28:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:28:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:44,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-12 02:28:44,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:28:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:44,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:28:44,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:28:44,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704076834] [2023-11-12 02:28:44,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704076834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:44,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184290797] [2023-11-12 02:28:44,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:44,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:44,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:28:45,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:45,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:45,027 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) [2023-11-12 02:28:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:46,300 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-12 02:28:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:28:46,303 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 [2023-11-12 02:28:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:46,311 INFO L225 Difference]: With dead ends: 19 [2023-11-12 02:28:46,311 INFO L226 Difference]: Without dead ends: 10 [2023-11-12 02:28:46,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:28:46,320 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:46,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 02:28:46,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-12 02:28:46,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-12 02:28:46,350 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) [2023-11-12 02:28:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 02:28:46,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 02:28:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:46,353 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:28:46,353 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) [2023-11-12 02:28:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 02:28:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 02:28:46,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:46,355 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:46,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:28:46,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:28:46,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:46,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-12 02:28:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:28:46,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896884731] [2023-11-12 02:28:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:46,572 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 [2023-11-12 02:28:46,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:28:46,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:28:46,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:28:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:48,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-12 02:28:48,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:28:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:50,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:28:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:55,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:28:55,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896884731] [2023-11-12 02:28:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896884731] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:28:55,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:28:55,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-12 02:28:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768914163] [2023-11-12 02:28:55,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:28:55,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:28:55,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:28:55,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:28:55,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:28:55,838 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) [2023-11-12 02:28:59,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:59,034 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-12 02:28:59,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:28:59,035 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 [2023-11-12 02:28:59,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:59,035 INFO L225 Difference]: With dead ends: 15 [2023-11-12 02:28:59,035 INFO L226 Difference]: Without dead ends: 13 [2023-11-12 02:28:59,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:28:59,037 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:59,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-12 02:28:59,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-12 02:28:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-12 02:28:59,043 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) [2023-11-12 02:28:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-12 02:28:59,044 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-12 02:28:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:59,045 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-12 02:28:59,045 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) [2023-11-12 02:28:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-12 02:28:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 02:28:59,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:59,046 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-12 02:28:59,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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)] Ended with exit code 0 [2023-11-12 02:28:59,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:28:59,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:28:59,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:59,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-12 02:28:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:28:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837904032] [2023-11-12 02:28:59,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:28:59,258 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 [2023-11-12 02:28:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:28:59,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:28:59,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8379272c-7c8e-4ac5-a42f-239a661eb96e/bin/uautomizer-verify-uTZkv6EMXl/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