./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53879bee41b0f6496027fdf2ec25e7e086316c8ce4800f3fb76bfeda7e545810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:11,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:11,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:01:11,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:11,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:11,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:11,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:11,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:11,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:11,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:11,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:11,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:11,422 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:11,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:11,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:11,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:11,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:11,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:11,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:11,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:11,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:11,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:11,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:11,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:11,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:11,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:11,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:11,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:11,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:11,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:11,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:11,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:11,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:11,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:11,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:11,454 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:11,454 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53879bee41b0f6496027fdf2ec25e7e086316c8ce4800f3fb76bfeda7e545810 [2023-11-19 08:01:11,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:11,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:11,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:11,778 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:11,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:11,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:15,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:15,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:15,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:15,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/e3f49ab35/2c74250000d74d8391a37af8c5302232/FLAG194b51ac5 [2023-11-19 08:01:15,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/e3f49ab35/2c74250000d74d8391a37af8c5302232 [2023-11-19 08:01:15,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:15,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:15,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:15,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:15,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:15,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:15,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab98426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15, skipping insertion in model container [2023-11-19 08:01:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:15,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:15,630 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1249,1262] [2023-11-19 08:01:15,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:15,752 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:15,765 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1249,1262] [2023-11-19 08:01:15,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:15,882 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:15,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15 WrapperNode [2023-11-19 08:01:15,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:15,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:15,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:15,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:15,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:15,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,015 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 661 [2023-11-19 08:01:16,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:16,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:16,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:16,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:16,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:16,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:16,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:16,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:16,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2023-11-19 08:01:16,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:16,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:16,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:16,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:16,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:16,464 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:16,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:17,421 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:17,433 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:17,433 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:17,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:17 BoogieIcfgContainer [2023-11-19 08:01:17,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:17,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:17,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:17,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:17,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:15" (1/3) ... [2023-11-19 08:01:17,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed0c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:17, skipping insertion in model container [2023-11-19 08:01:17,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (2/3) ... [2023-11-19 08:01:17,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed0c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:17, skipping insertion in model container [2023-11-19 08:01:17,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:17" (3/3) ... [2023-11-19 08:01:17,453 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:17,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:17,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:17,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:17,535 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;@25530d89, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:17,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 99 states have (on average 1.6464646464646464) internal successors, (163), 100 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 08:01:17,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:17,549 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] [2023-11-19 08:01:17,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:17,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash -775332206, now seen corresponding path program 1 times [2023-11-19 08:01:17,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988185812] [2023-11-19 08:01:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:18,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:18,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988185812] [2023-11-19 08:01:18,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988185812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:18,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:18,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:18,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297181216] [2023-11-19 08:01:18,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:18,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:18,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:18,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:18,485 INFO L87 Difference]: Start difference. First operand has 101 states, 99 states have (on average 1.6464646464646464) internal successors, (163), 100 states have internal predecessors, (163), 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 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:18,546 INFO L93 Difference]: Finished difference Result 138 states and 224 transitions. [2023-11-19 08:01:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:18,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2023-11-19 08:01:18,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:18,578 INFO L225 Difference]: With dead ends: 138 [2023-11-19 08:01:18,578 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 08:01:18,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:18,585 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:18,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 459 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:18,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 08:01:18,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-19 08:01:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.6224489795918366) internal successors, (159), 98 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 159 transitions. [2023-11-19 08:01:18,654 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 159 transitions. Word has length 55 [2023-11-19 08:01:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:18,656 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 159 transitions. [2023-11-19 08:01:18,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2023-11-19 08:01:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 08:01:18,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:18,663 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] [2023-11-19 08:01:18,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:18,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:18,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1736230638, now seen corresponding path program 1 times [2023-11-19 08:01:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145280687] [2023-11-19 08:01:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145280687] [2023-11-19 08:01:18,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145280687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:18,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:18,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:18,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068364863] [2023-11-19 08:01:18,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:18,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:18,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:18,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:18,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:18,946 INFO L87 Difference]: Start difference. First operand 99 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:18,988 INFO L93 Difference]: Finished difference Result 139 states and 220 transitions. [2023-11-19 08:01:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:18,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2023-11-19 08:01:18,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:18,991 INFO L225 Difference]: With dead ends: 139 [2023-11-19 08:01:18,991 INFO L226 Difference]: Without dead ends: 102 [2023-11-19 08:01:18,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:18,993 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:18,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 456 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-19 08:01:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2023-11-19 08:01:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.61) internal successors, (161), 100 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 161 transitions. [2023-11-19 08:01:19,004 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 161 transitions. Word has length 56 [2023-11-19 08:01:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:19,005 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 161 transitions. [2023-11-19 08:01:19,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 161 transitions. [2023-11-19 08:01:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 08:01:19,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:19,007 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] [2023-11-19 08:01:19,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:19,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:19,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2073110060, now seen corresponding path program 1 times [2023-11-19 08:01:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:19,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228248533] [2023-11-19 08:01:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:19,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:19,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:19,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228248533] [2023-11-19 08:01:19,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228248533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:19,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:19,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197196082] [2023-11-19 08:01:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:19,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:19,467 INFO L87 Difference]: Start difference. First operand 101 states and 161 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:19,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:19,532 INFO L93 Difference]: Finished difference Result 148 states and 234 transitions. [2023-11-19 08:01:19,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:19,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 57 [2023-11-19 08:01:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:19,541 INFO L225 Difference]: With dead ends: 148 [2023-11-19 08:01:19,541 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 08:01:19,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:19,550 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 210 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:19,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 282 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 08:01:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 99. [2023-11-19 08:01:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.6020408163265305) internal successors, (157), 98 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 157 transitions. [2023-11-19 08:01:19,561 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 157 transitions. Word has length 57 [2023-11-19 08:01:19,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:19,565 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 157 transitions. [2023-11-19 08:01:19,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2023-11-19 08:01:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 08:01:19,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:19,572 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] [2023-11-19 08:01:19,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:01:19,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:19,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -446849874, now seen corresponding path program 1 times [2023-11-19 08:01:19,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:19,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483308602] [2023-11-19 08:01:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:19,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:19,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:01:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:19,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:01:19,793 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:01:19,794 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:01:19,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:01:19,800 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 08:01:19,804 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:19,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:01:19,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:01:19,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 08:01:19,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 08:01:19,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 08:01:19,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 08:01:19,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 08:01:19,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 08:01:19,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 08:01:19,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 08:01:19,871 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 08:01:19,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 08:01:19,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 08:01:19,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 08:01:19,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 08:01:19,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 08:01:19,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 08:01:19,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 08:01:19,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 08:01:19,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 08:01:19,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 08:01:19,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 08:01:19,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 08:01:19,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-19 08:01:19,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-19 08:01:19,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 08:01:19,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-19 08:01:19,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-19 08:01:19,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-19 08:01:19,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-19 08:01:19,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-19 08:01:19,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-19 08:01:19,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-11-19 08:01:19,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-19 08:01:19,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated [2023-11-19 08:01:19,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-19 08:01:19,904 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2023-11-19 08:01:19,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated [2023-11-19 08:01:19,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated [2023-11-19 08:01:19,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated [2023-11-19 08:01:19,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-19 08:01:19,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated [2023-11-19 08:01:19,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated [2023-11-19 08:01:19,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated [2023-11-19 08:01:19,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated [2023-11-19 08:01:19,915 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:01:19,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:19 BoogieIcfgContainer [2023-11-19 08:01:19,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:19,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:19,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:19,949 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:19,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:17" (3/4) ... [2023-11-19 08:01:19,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:01:19,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:19,956 INFO L158 Benchmark]: Toolchain (without parser) took 4581.58ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 112.5MB in the beginning and 87.7MB in the end (delta: 24.8MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,957 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 153.1MB. Free memory was 120.8MB in the beginning and 120.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:19,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.22ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 93.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.42ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 81.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,959 INFO L158 Benchmark]: Boogie Preprocessor took 180.02ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 77.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,960 INFO L158 Benchmark]: RCFGBuilder took 1242.86ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 76.8MB in the beginning and 134.9MB in the end (delta: -58.1MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,960 INFO L158 Benchmark]: TraceAbstraction took 2504.86ms. Allocated memory is still 209.7MB. Free memory was 133.9MB in the beginning and 88.8MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,961 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 209.7MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:19,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 153.1MB. Free memory was 120.8MB in the beginning and 120.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.22ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 93.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.42ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 81.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.02ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 77.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1242.86ms. Allocated memory was 153.1MB in the beginning and 209.7MB in the end (delta: 56.6MB). Free memory was 76.8MB in the beginning and 134.9MB in the end (delta: -58.1MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2504.86ms. Allocated memory is still 209.7MB. Free memory was 133.9MB in the beginning and 88.8MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 209.7MB. Free memory was 88.8MB in the beginning and 87.7MB 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~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 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~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 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~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 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~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet58 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 155. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_22 = 0; [L34] const SORT_5 var_31 = 1; [L35] const SORT_1 var_109 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_35; [L44] SORT_5 input_37; [L45] SORT_5 input_39; [L46] SORT_5 input_51; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_109=1, var_22=0, var_31=1, var_9=0] [L48] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, var_109=1, var_22=0, var_31=1, var_9=0] [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, var_109=1, var_22=0, var_31=1, var_9=0] [L50] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, var_109=1, var_22=0, var_31=1, var_9=0] [L51] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, var_109=1, var_22=0, var_31=1, var_9=0] [L52] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, var_109=1, var_22=0, var_31=1, var_9=0] [L53] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, var_109=1, var_22=0, var_31=1, var_9=0] [L54] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, var_109=1, var_22=0, var_31=1, var_9=0] [L55] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, var_109=1, var_22=0, var_31=1, var_9=0] [L56] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, var_109=1, var_22=0, var_31=1, var_9=0] [L57] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, var_109=1, var_22=0, var_31=1, var_9=0] [L58] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, var_109=1, var_22=0, var_31=1, var_9=0] [L59] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, var_109=1, var_22=0, var_31=1, var_9=0] [L60] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, var_109=1, var_22=0, var_31=1, var_9=0] [L61] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, var_109=1, var_22=0, var_31=1, var_9=0] [L62] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, var_109=1, var_22=0, var_31=1, var_9=0] [L63] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, var_109=1, var_22=0, var_31=1, var_9=0] [L64] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, var_109=1, var_22=0, var_31=1, var_9=0] [L65] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, var_109=1, var_22=0, var_31=1, var_9=0] [L66] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, var_109=1, var_22=0, var_31=1, var_9=0] [L67] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_11_arg_1 = var_9; [L70] state_10 = init_11_arg_1 [L71] SORT_1 init_13_arg_1 = var_9; [L72] state_12 = init_13_arg_1 [L73] SORT_1 init_19_arg_1 = var_9; [L74] state_18 = init_19_arg_1 [L75] SORT_5 init_24_arg_1 = var_22; [L76] state_23 = init_24_arg_1 [L77] SORT_1 init_27_arg_1 = var_9; [L78] state_26 = init_27_arg_1 [L79] SORT_5 init_42_arg_1 = var_22; [L80] state_41 = init_42_arg_1 [L81] SORT_5 init_44_arg_1 = var_22; [L82] state_43 = init_44_arg_1 [L83] SORT_1 init_46_arg_1 = var_9; [L84] state_45 = init_46_arg_1 [L85] SORT_1 init_48_arg_1 = var_9; [L86] state_47 = init_48_arg_1 [L87] SORT_1 init_50_arg_1 = var_9; [L88] state_49 = init_50_arg_1 [L89] SORT_5 init_54_arg_1 = var_22; [L90] state_53 = init_54_arg_1 [L91] SORT_1 init_56_arg_1 = var_9; [L92] state_55 = init_56_arg_1 [L93] SORT_5 init_58_arg_1 = var_22; [L94] state_57 = init_58_arg_1 [L95] SORT_1 init_60_arg_1 = var_9; [L96] state_59 = init_60_arg_1 [L97] SORT_1 init_63_arg_1 = var_9; [L98] state_62 = init_63_arg_1 [L99] SORT_1 init_65_arg_1 = var_9; [L100] state_64 = init_65_arg_1 [L101] SORT_1 init_67_arg_1 = var_9; [L102] state_66 = init_67_arg_1 [L103] SORT_1 init_69_arg_1 = var_9; [L104] state_68 = init_69_arg_1 [L105] SORT_1 init_71_arg_1 = var_9; [L106] state_70 = init_71_arg_1 [L107] SORT_1 init_73_arg_1 = var_9; [L108] state_72 = init_73_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L111] input_2 = __VERIFIER_nondet_uchar() [L112] input_3 = __VERIFIER_nondet_uchar() [L113] input_4 = __VERIFIER_nondet_uchar() [L114] input_6 = __VERIFIER_nondet_uchar() [L115] input_7 = __VERIFIER_nondet_uchar() [L116] input_8 = __VERIFIER_nondet_uchar() [L117] EXPR input_8 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L117] input_8 = input_8 & mask_SORT_5 [L118] input_35 = __VERIFIER_nondet_uchar() [L119] input_37 = __VERIFIER_nondet_uchar() [L120] input_39 = __VERIFIER_nondet_uchar() [L121] input_51 = __VERIFIER_nondet_uchar() [L124] SORT_1 var_16_arg_0 = state_10; [L125] SORT_5 var_16 = var_16_arg_0 >> 0; VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_16=0, var_16_arg_0=0, var_22=0, var_31=1, var_9=0] [L126] EXPR var_16 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_16=0, var_16_arg_0=0, var_22=0, var_31=1, var_9=0] [L126] var_16 = var_16 & mask_SORT_5 [L127] SORT_1 var_15_arg_0 = state_10; [L128] SORT_1 var_15_arg_1 = state_12; [L129] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L130] SORT_1 var_14_arg_0 = state_10; [L131] SORT_1 var_14_arg_1 = state_12; [L132] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L133] SORT_5 var_17_arg_0 = var_16; [L134] SORT_1 var_17_arg_1 = var_15; [L135] SORT_1 var_17_arg_2 = var_14; [L136] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L137] SORT_1 var_21_arg_0 = var_17; [L138] SORT_1 var_21_arg_1 = state_18; [L139] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L140] SORT_1 var_20_arg_0 = var_17; [L141] SORT_1 var_20_arg_1 = state_18; [L142] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L143] SORT_5 var_25_arg_0 = state_23; [L144] SORT_1 var_25_arg_1 = var_21; [L145] SORT_1 var_25_arg_2 = var_20; [L146] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_31=1, var_9=0] [L147] EXPR var_25 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_31=1, var_9=0] [L147] var_25 = var_25 & mask_SORT_1 [L148] SORT_1 var_28_arg_0 = var_25; [L149] SORT_1 var_28_arg_1 = state_26; [L150] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L151] SORT_5 var_32_arg_0 = var_28; [L152] SORT_5 var_32 = ~var_32_arg_0; [L153] SORT_5 var_33_arg_0 = var_31; [L154] SORT_5 var_33_arg_1 = var_32; VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33_arg_0=1, var_33_arg_1=254, var_9=0] [L155] EXPR var_33_arg_0 & var_33_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33_arg_0=1, var_33_arg_1=254, var_9=0] [L155] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L156] EXPR var_33 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_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_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_14=0, var_14_arg_0=0, var_14_arg_1=0, var_15=0, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_16_arg_0=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_25_arg_2=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_31=1, var_32=254, var_32_arg_0=1, var_33=1, var_33_arg_0=1, var_33_arg_1=254, var_9=0] [L156] var_33 = var_33 & mask_SORT_5 [L157] SORT_5 bad_34_arg_0 = var_33; [L158] CALL __VERIFIER_assert(!(bad_34_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, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 1197 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 722 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 475 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:01:20,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53879bee41b0f6496027fdf2ec25e7e086316c8ce4800f3fb76bfeda7e545810 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:22,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:22,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 08:01:22,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:22,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:22,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:22,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:22,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:22,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:22,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:22,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:22,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:22,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:22,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:22,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:22,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:22,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:22,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:22,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:22,903 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:22,908 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:22,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:22,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:22,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:22,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:22,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:22,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:22,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:22,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:22,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:22,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:22,915 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:22,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:22,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:22,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:22,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:22,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:22,917 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:22,917 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:22,918 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53879bee41b0f6496027fdf2ec25e7e086316c8ce4800f3fb76bfeda7e545810 [2023-11-19 08:01:23,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:23,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:23,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:23,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:23,382 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:23,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:26,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:26,949 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:26,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:26,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/1dfe56d85/b80c0032273a4e6984539922865e6152/FLAG6611f66e2 [2023-11-19 08:01:26,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/data/1dfe56d85/b80c0032273a4e6984539922865e6152 [2023-11-19 08:01:26,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:26,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:26,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:26,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:27,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:27,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:26" (1/1) ... [2023-11-19 08:01:27,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8b8f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27, skipping insertion in model container [2023-11-19 08:01:27,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:26" (1/1) ... [2023-11-19 08:01:27,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:27,283 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1249,1262] [2023-11-19 08:01:27,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:27,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:27,461 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_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v7.c[1249,1262] [2023-11-19 08:01:27,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:27,523 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:27,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27 WrapperNode [2023-11-19 08:01:27,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:27,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:27,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:27,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:27,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,683 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 361 [2023-11-19 08:01:27,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:27,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:27,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:27,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:27,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:27,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:27,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:27,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:27,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:27,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:27,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:01:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:28,056 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:28,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:28,528 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:28,538 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:28,538 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:28,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:28 BoogieIcfgContainer [2023-11-19 08:01:28,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:28,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:28,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:28,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:28,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:26" (1/3) ... [2023-11-19 08:01:28,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432fb912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:28, skipping insertion in model container [2023-11-19 08:01:28,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27" (2/3) ... [2023-11-19 08:01:28,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432fb912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:28, skipping insertion in model container [2023-11-19 08:01:28,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:28" (3/3) ... [2023-11-19 08:01:28,556 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v7.c [2023-11-19 08:01:28,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:28,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:28,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:28,652 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;@7d3d80d4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:28,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 08:01:28,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:28,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:01:28,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:28,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:28,678 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 08:01:28,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:28,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973905693] [2023-11-19 08:01:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:28,703 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:28,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:28,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:01:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 08:01:28,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:29,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:29,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973905693] [2023-11-19 08:01:29,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973905693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:29,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:29,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:29,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349893729] [2023-11-19 08:01:29,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:29,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:29,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:29,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:29,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:29,682 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:29,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:29,790 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 08:01:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:29,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 08:01:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:29,801 INFO L225 Difference]: With dead ends: 19 [2023-11-19 08:01:29,801 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 08:01:29,804 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 [2023-11-19 08:01:29,808 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:29,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 08:01:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 08:01:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 08:01:29,844 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 08:01:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:29,845 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 08:01:29,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 08:01:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 08:01:29,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:29,846 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:29,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:30,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:30,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:30,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:30,050 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 08:01:30,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:30,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425091386] [2023-11-19 08:01:30,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:30,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:30,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:30,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:30,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:01:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:30,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-19 08:01:30,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:31,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:37,795 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse39 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_64~0#1|))))) (let ((.cse2 (= ((_ extract 7 0) (bvand .cse39 ((_ zero_extend 24) ((_ extract 7 0) .cse24)))) (_ bv0 8))) (.cse8 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_72~0#1|))))) (.cse4 (= ((_ extract 7 0) (bvand .cse39 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_43~0#1|))))) (_ bv0 8))) (.cse1 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_5|)))) .cse39)) (_ bv0 8)))) (.cse9 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_5|)))) .cse39)) (_ bv0 8))))) (let ((.cse0 (or (not .cse1) (let ((.cse25 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_22~0#1|))) .cse39)) (_ bv0 8))) (.cse27 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_9~0#1|))))) (let ((.cse33 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse27)) .cse39)) (_ bv0 8))) (.cse29 (bvneg .cse27)) (.cse30 (not .cse25)) (.cse32 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse38))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse38))))))) (.cse26 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse37 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse37))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse37))))))))) (and (or (and (or (and (or .cse25 .cse26) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse28))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|))) .cse29))))) .cse28))))))) .cse30)) .cse9) (or (and (or .cse30 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse31))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|))) .cse29))))) .cse31))))))) (or .cse25 .cse32)) .cse10)) .cse33) (or (not .cse33) (and (or (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse29 .cse27))))) .cse29))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse34 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse34))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse35 .cse34))))))) .cse9) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse35 .cse36)))))) .cse10))) .cse30) (or .cse25 (and (or .cse10 .cse32) (or .cse26 .cse9)))))))))) (.cse5 (not .cse4)) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))))))))))))))) (.cse13 (not .cse2)) (.cse19 (= |c_ULTIMATE.start_main_~state_57~0#1| (_ bv0 8)))) (and (or (and .cse0 (or .cse1 (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_59~0#1|) (bvneg ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|))))))))))) (let ((.cse11 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse18))))))) (.cse3 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse17))))))))) (and (or .cse2 (and (or (and (or .cse3 .cse4) (or .cse5 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse7))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse7))))))))) .cse9) (or .cse10 (and (or .cse11 .cse4) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse12))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse12)))))) .cse5))))) (or .cse13 (and (or .cse5 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse14))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse14))))))) .cse9) (or .cse10 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse16))))))))) (or (and (or .cse10 .cse11) (or .cse3 .cse9)) .cse4)))))))) (not .cse19)) (or (and .cse0 (or (and (or .cse2 (and (or (and (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse20))))))) .cse4) .cse9) (or .cse10 (and (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse21))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse21)))))) .cse4)))) (or (and (or .cse5 (and (or .cse10 (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse22))))))) (or .cse9 (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse23))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 .cse23)))))))))) (or (and .cse10 .cse9) .cse4)) .cse13)) .cse1)) .cse19))))) is different from false [2023-11-19 08:01:45,947 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_64~0#1|)))) (.cse24 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse4 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_72~0#1|))))) (.cse5 (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_43~0#1|))))) (_ bv0 8))) (.cse2 (= ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) .cse26)))) (_ bv0 8))) (.cse25 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|)) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_5|)))) .cse24)) (_ bv0 8)))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_33_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_33_arg_0~0#1_5|)))) .cse24)) (_ bv0 8))))) (let ((.cse1 (or (forall ((|v_ULTIMATE.start_main_#t~nondet29#1_9| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet29#1_9|) .cse24))) .cse25))) (let ((.cse27 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_22~0#1|))) .cse24)) (_ bv0 8))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_9~0#1|))))) (let ((.cse35 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse29)) .cse24)) (_ bv0 8))) (.cse31 (bvneg .cse29)) (.cse32 (not .cse27)) (.cse34 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse40 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse40))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse40))))))) (.cse28 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse39 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse39))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse39))))))))) (and (or (and (or (and (or .cse27 .cse28) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse30 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse30))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|))) .cse31))))) .cse30))))))) .cse32)) .cse6) (or (and (or .cse32 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse33))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|))) .cse31))))) .cse33))))))) (or .cse27 .cse34)) .cse7)) .cse35) (or (not .cse35) (and (or (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse31 .cse29))))) .cse31))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 .cse36))))))) .cse6) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse38))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse37 .cse38)))))) .cse7))) .cse32) (or .cse27 (and (or .cse7 .cse34) (or .cse28 .cse6)))))))))) (.cse13 (not .cse2)) (.cse9 (not .cse5)) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse26 (bvneg ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|))))))))))))))) (.cse14 (forall ((|v_ULTIMATE.start_main_#t~nondet29#1_9| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet29#1_9|) .cse24))) .cse25))) (.cse0 (= |c_ULTIMATE.start_main_~state_57~0#1| (_ bv0 8)))) (and (or .cse0 (and .cse1 (or (and (or .cse2 (and (or (and (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse3))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse3))))))) .cse5) .cse6) (or .cse7 (and (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse8))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse8)))))) .cse5)))) (or (and (or .cse9 (and (or .cse7 (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse10))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 .cse10))))))) (or .cse6 (forall ((|v_ULTIMATE.start_main_~var_87_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_87_arg_1~0#1_5|))))) .cse12))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 .cse12)))))))))) (or (and .cse7 .cse6) .cse5)) .cse13)) .cse14))) (or (and .cse1 (or (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_59~0#1|) (bvneg ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_55~0#1|))))))))))) (let ((.cse18 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse23))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse23))))))) (.cse15 (forall ((|v_ULTIMATE.start_main_~var_25_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_1~0#1_5|))) .cse22))))))))) (and (or .cse2 (and (or (and (or .cse15 .cse5) (or .cse9 (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse17))))))))) .cse6) (or .cse7 (and (or .cse18 .cse5) (or (forall ((|v_ULTIMATE.start_main_~var_17_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_17_arg_1~0#1_5|)))))))) .cse19)))))) .cse9))))) (or .cse13 (and (or .cse9 (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (not (let ((.cse20 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 .cse20))))))) .cse6) (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 .cse21))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 .cse21))))))))) (or (and (or .cse7 .cse18) (or .cse15 .cse6)) .cse5)))))) .cse14)) (not .cse0)))))) is different from false [2023-11-19 08:01:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-11-19 08:01:46,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:46,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425091386] [2023-11-19 08:01:46,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425091386] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:46,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:01:46,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 08:01:46,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440845335] [2023-11-19 08:01:46,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:46,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:01:46,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:46,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:01:46,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=42, Unknown=2, NotChecked=26, Total=90 [2023-11-19 08:01:46,149 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:47,786 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 08:01:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:01:47,787 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 08:01:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:47,787 INFO L225 Difference]: With dead ends: 15 [2023-11-19 08:01:47,787 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 08:01:47,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=41, Invalid=75, Unknown=2, NotChecked=38, Total=156 [2023-11-19 08:01:47,789 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:47,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 15 Unchecked, 0.3s Time] [2023-11-19 08:01:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 08:01:47,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 08:01:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 08:01:47,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 08:01:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:47,795 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 08:01:47,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 08:01:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 08:01:47,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:47,796 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 08:01:47,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:48,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:48,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:48,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 08:01:48,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:48,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838660358] [2023-11-19 08:01:48,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:01:48,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:48,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:48,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3470b1e6-a3b3-4dd6-a7dc-486ba048f4b2/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 08:01:48,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:01:48,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:48,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 149 conjunts are in the unsatisfiable core [2023-11-19 08:01:48,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:54,015 INFO L327 TraceCheckSpWp]: Computing backward predicates...