./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/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_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/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_c5a6fd85-1550-4346-98d6-827a3d003928/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 a85f457a181079a0b5789d13788d6c7347ae80776212b7f747148ec13e9b6cf1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:31,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:31,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:46:31,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:31,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:31,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:31,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:31,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:31,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:31,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:31,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:31,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:31,995 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:31,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:31,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:31,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:31,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:31,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:31,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:31,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:31,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:32,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:32,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:32,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:32,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:32,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:32,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:32,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:32,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:32,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:32,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:32,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:32,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:32,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:32,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:32,006 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:32,006 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_c5a6fd85-1550-4346-98d6-827a3d003928/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a85f457a181079a0b5789d13788d6c7347ae80776212b7f747148ec13e9b6cf1 [2023-11-19 07:46:32,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:32,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:32,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:32,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:32,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:32,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:35,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:35,569 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:35,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:35,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/6f08b0ad2/2c816cefee7642e1b5bd476a1fcb4d77/FLAG68cf6a122 [2023-11-19 07:46:35,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/6f08b0ad2/2c816cefee7642e1b5bd476a1fcb4d77 [2023-11-19 07:46:35,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:35,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:35,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:35,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:35,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:35,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:35,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb4ce69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35, skipping insertion in model container [2023-11-19 07:46:35,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:35,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:35,797 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_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c[1259,1272] [2023-11-19 07:46:35,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:35,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:35,891 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_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c[1259,1272] [2023-11-19 07:46:35,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:35,967 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:35,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35 WrapperNode [2023-11-19 07:46:35,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:35,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:35,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:35,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:35,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,051 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 208 [2023-11-19 07:46:36,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:36,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:36,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:36,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:36,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:36,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:36,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:36,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:36,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (1/1) ... [2023-11-19 07:46:36,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:36,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:36,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:36,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:36,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:36,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:36,758 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:36,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:36,768 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:36,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:36 BoogieIcfgContainer [2023-11-19 07:46:36,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:36,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:36,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:36,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:36,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:35" (1/3) ... [2023-11-19 07:46:36,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfd32f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:36, skipping insertion in model container [2023-11-19 07:46:36,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:35" (2/3) ... [2023-11-19 07:46:36,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfd32f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:36, skipping insertion in model container [2023-11-19 07:46:36,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:36" (3/3) ... [2023-11-19 07:46:36,790 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:36,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:36,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:36,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:36,894 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;@5b816819, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:36,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 07:46:36,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:36,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:36,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:36,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:36,916 INFO L85 PathProgramCache]: Analyzing trace with hash -430181735, now seen corresponding path program 1 times [2023-11-19 07:46:36,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862078211] [2023-11-19 07:46:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:37,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:37,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862078211] [2023-11-19 07:46:37,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862078211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:37,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:37,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:37,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667258456] [2023-11-19 07:46:37,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:37,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:37,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:37,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:37,702 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:37,755 INFO L93 Difference]: Finished difference Result 57 states and 89 transitions. [2023-11-19 07:46:37,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:37,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2023-11-19 07:46:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:37,775 INFO L225 Difference]: With dead ends: 57 [2023-11-19 07:46:37,776 INFO L226 Difference]: Without dead ends: 30 [2023-11-19 07:46:37,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:37,785 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:37,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-19 07:46:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-19 07:46:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2023-11-19 07:46:37,820 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2023-11-19 07:46:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:37,821 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2023-11-19 07:46:37,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 07:46:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 07:46:37,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:37,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:37,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:37,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:37,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:37,824 INFO L85 PathProgramCache]: Analyzing trace with hash -448947295, now seen corresponding path program 1 times [2023-11-19 07:46:37,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:37,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818239543] [2023-11-19 07:46:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:37,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:37,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:37,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818239543] [2023-11-19 07:46:37,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818239543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:37,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:37,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:37,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316777304] [2023-11-19 07:46:37,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:37,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:37,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:37,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:37,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:37,975 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:38,011 INFO L93 Difference]: Finished difference Result 58 states and 85 transitions. [2023-11-19 07:46:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:38,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2023-11-19 07:46:38,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:38,017 INFO L225 Difference]: With dead ends: 58 [2023-11-19 07:46:38,017 INFO L226 Difference]: Without dead ends: 33 [2023-11-19 07:46:38,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:38,023 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:38,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 111 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-19 07:46:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2023-11-19 07:46:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2023-11-19 07:46:38,029 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 46 transitions. Word has length 18 [2023-11-19 07:46:38,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:38,030 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 46 transitions. [2023-11-19 07:46:38,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-19 07:46:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:46:38,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:38,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:38,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:46:38,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:38,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1244684111, now seen corresponding path program 1 times [2023-11-19 07:46:38,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:38,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866075962] [2023-11-19 07:46:38,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:38,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:38,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:38,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866075962] [2023-11-19 07:46:38,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866075962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:38,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:38,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:38,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950895192] [2023-11-19 07:46:38,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:38,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:46:38,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:38,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:38,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:38,493 INFO L87 Difference]: Start difference. First operand 32 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:38,666 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2023-11-19 07:46:38,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:46:38,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2023-11-19 07:46:38,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:38,671 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:46:38,671 INFO L226 Difference]: Without dead ends: 66 [2023-11-19 07:46:38,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:46:38,682 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 102 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:38,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 151 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-19 07:46:38,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 35. [2023-11-19 07:46:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2023-11-19 07:46:38,700 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2023-11-19 07:46:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:38,700 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-19 07:46:38,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2023-11-19 07:46:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:46:38,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:38,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:38,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:46:38,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:38,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash 530323251, now seen corresponding path program 1 times [2023-11-19 07:46:38,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503050283] [2023-11-19 07:46:38,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:38,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:39,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:39,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503050283] [2023-11-19 07:46:39,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503050283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:39,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:39,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:46:39,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611427131] [2023-11-19 07:46:39,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:39,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:46:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:39,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:46:39,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:46:39,183 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:39,333 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2023-11-19 07:46:39,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:46:39,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2023-11-19 07:46:39,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:39,336 INFO L225 Difference]: With dead ends: 76 [2023-11-19 07:46:39,336 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:46:39,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:46:39,344 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 66 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:39,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 134 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:39,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:46:39,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2023-11-19 07:46:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2023-11-19 07:46:39,356 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 19 [2023-11-19 07:46:39,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:39,357 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2023-11-19 07:46:39,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:39,358 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-19 07:46:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 07:46:39,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:39,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:39,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:46:39,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:39,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:39,361 INFO L85 PathProgramCache]: Analyzing trace with hash 530263669, now seen corresponding path program 1 times [2023-11-19 07:46:39,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:39,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018489261] [2023-11-19 07:46:39,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:39,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:39,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:39,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:39,484 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:46:39,486 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:46:39,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:46:39,491 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:46:39,495 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:46:39,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:46:39,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:46:39,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:46:39,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 07:46:39,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 07:46:39,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 07:46:39,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 07:46:39,561 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 07:46:39,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:39 BoogieIcfgContainer [2023-11-19 07:46:39,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:46:39,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:46:39,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:46:39,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:46:39,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:36" (3/4) ... [2023-11-19 07:46:39,582 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:46:39,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:46:39,584 INFO L158 Benchmark]: Toolchain (without parser) took 3985.10ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 102.0MB in the beginning and 60.8MB in the end (delta: 41.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,585 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:39,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.22ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.05ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 85.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,586 INFO L158 Benchmark]: Boogie Preprocessor took 81.84ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 83.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,586 INFO L158 Benchmark]: RCFGBuilder took 633.46ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 83.0MB in the beginning and 157.2MB in the end (delta: -74.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,586 INFO L158 Benchmark]: TraceAbstraction took 2801.23ms. Allocated memory is still 195.0MB. Free memory was 156.1MB in the beginning and 60.8MB in the end (delta: 95.3MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2023-11-19 07:46:39,587 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 195.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:39,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 142.6MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.22ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.05ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 85.3MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.84ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 83.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.46ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 83.0MB in the beginning and 157.2MB in the end (delta: -74.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2801.23ms. Allocated memory is still 195.0MB. Free memory was 156.1MB in the beginning and 60.8MB in the end (delta: 95.3MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 195.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 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 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 106. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 2); [L39] const SORT_14 msb_SORT_14 = (SORT_14)1 << (2 - 1); [L41] const SORT_7 var_8 = 0; [L42] const SORT_1 var_12 = 0; [L43] const SORT_14 var_16 = 0; [L44] const SORT_1 var_21 = 1; [L45] const SORT_7 var_50 = 1; [L46] const SORT_7 var_52 = 4; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_5 input_6; [L51] SORT_3 input_25; [L52] SORT_3 input_27; [L53] SORT_3 input_29; [L54] SORT_1 input_31; [L55] SORT_5 input_33; [L56] SORT_3 input_35; [L57] SORT_3 input_37; [L58] SORT_3 input_39; [L59] SORT_3 input_41; [L60] SORT_3 input_43; [L61] SORT_3 input_45; [L62] SORT_3 input_47; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, var_12=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L64] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L66] SORT_7 init_10_arg_1 = var_8; [L67] state_9 = init_10_arg_1 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_12=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L70] input_2 = __VERIFIER_nondet_uchar() [L71] input_4 = __VERIFIER_nondet_uchar() [L72] input_6 = __VERIFIER_nondet_ushort() [L73] input_25 = __VERIFIER_nondet_uchar() [L74] input_27 = __VERIFIER_nondet_uchar() [L75] input_29 = __VERIFIER_nondet_uchar() [L76] input_31 = __VERIFIER_nondet_uchar() [L77] input_33 = __VERIFIER_nondet_ushort() [L78] input_35 = __VERIFIER_nondet_uchar() [L79] input_37 = __VERIFIER_nondet_uchar() [L80] input_39 = __VERIFIER_nondet_uchar() [L81] input_41 = __VERIFIER_nondet_uchar() [L82] input_43 = __VERIFIER_nondet_uchar() [L83] input_45 = __VERIFIER_nondet_uchar() [L84] input_47 = __VERIFIER_nondet_uchar() [L87] SORT_7 var_11_arg_0 = state_9; [L88] SORT_1 var_11 = var_11_arg_0 >> 2; VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L89] EXPR var_11 & mask_SORT_1 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L89] var_11 = var_11 & mask_SORT_1 [L90] SORT_1 var_13_arg_0 = var_11; [L91] SORT_1 var_13_arg_1 = var_12; [L92] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L93] SORT_7 var_15_arg_0 = state_9; [L94] SORT_14 var_15 = var_15_arg_0 >> 0; VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L95] EXPR var_15 & mask_SORT_14 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_21=1, var_50=1, var_52=4, var_8=0] [L95] var_15 = var_15 & mask_SORT_14 [L96] SORT_14 var_17_arg_0 = var_15; [L97] SORT_14 var_17_arg_1 = var_16; [L98] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L99] SORT_1 var_18_arg_0 = var_13; [L100] SORT_1 var_18_arg_1 = var_17; VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_50=1, var_52=4, var_8=0] [L101] EXPR var_18_arg_0 | var_18_arg_1 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_50=1, var_52=4, var_8=0] [L101] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L102] SORT_1 var_22_arg_0 = var_18; [L103] SORT_1 var_22 = ~var_22_arg_0; [L104] SORT_1 var_23_arg_0 = var_21; [L105] SORT_1 var_23_arg_1 = var_22; VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_50=1, var_52=4, var_8=0] [L106] EXPR var_23_arg_0 & var_23_arg_1 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_50=1, var_52=4, var_8=0] [L106] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L107] EXPR var_23 & mask_SORT_1 VAL [init_10_arg_1=0, mask_SORT_14=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_14=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_9=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_15=0, var_15_arg_0=0, var_16=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23=1, var_23_arg_0=1, var_23_arg_1=254, var_50=1, var_52=4, var_8=0] [L107] var_23 = var_23 & mask_SORT_1 [L108] SORT_1 bad_24_arg_0 = var_23; [L109] CALL __VERIFIER_assert(!(bad_24_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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 344 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 166 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 43 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:46:39,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/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_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/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_c5a6fd85-1550-4346-98d6-827a3d003928/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 a85f457a181079a0b5789d13788d6c7347ae80776212b7f747148ec13e9b6cf1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:42,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:42,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:46:42,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:42,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:42,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:42,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:42,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:42,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:42,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:42,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:42,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:42,449 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:42,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:42,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:42,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:42,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:42,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:42,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:42,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:46:42,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:46:42,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:46:42,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:42,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:42,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:42,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:42,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:42,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:42,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:42,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:42,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:42,461 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:46:42,462 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:42,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:42,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:42,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:42,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:42,463 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:46:42,464 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:42,465 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_c5a6fd85-1550-4346-98d6-827a3d003928/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a85f457a181079a0b5789d13788d6c7347ae80776212b7f747148ec13e9b6cf1 [2023-11-19 07:46:42,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:42,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:42,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:42,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:42,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:42,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:46,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:46,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:46,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:46,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/c338551dd/c6b258d4f3e4405b96df33ac611c15d4/FLAG50d75ab8a [2023-11-19 07:46:46,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/data/c338551dd/c6b258d4f3e4405b96df33ac611c15d4 [2023-11-19 07:46:46,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:46,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:46,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:46,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:46,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:46,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ac5d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46, skipping insertion in model container [2023-11-19 07:46:46,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:46,988 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_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c[1259,1272] [2023-11-19 07:46:47,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:47,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:47,125 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_c5a6fd85-1550-4346-98d6-827a3d003928/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p04.c[1259,1272] [2023-11-19 07:46:47,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:47,197 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:47,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47 WrapperNode [2023-11-19 07:46:47,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:47,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:47,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:47,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:47,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,267 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 138 [2023-11-19 07:46:47,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:47,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:47,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:47,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:47,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:47,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:47,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:47,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:47,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (1/1) ... [2023-11-19 07:46:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:47,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:47,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:46:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:47,545 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:47,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:47,726 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:47,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:47,734 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:47,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:47 BoogieIcfgContainer [2023-11-19 07:46:47,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:47,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:47,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:47,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:47,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:46" (1/3) ... [2023-11-19 07:46:47,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67722074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:47, skipping insertion in model container [2023-11-19 07:46:47,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:47" (2/3) ... [2023-11-19 07:46:47,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67722074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:47, skipping insertion in model container [2023-11-19 07:46:47,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:47" (3/3) ... [2023-11-19 07:46:47,748 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p04.c [2023-11-19 07:46:47,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:47,772 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:47,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:47,836 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;@319e7160, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:47,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:46:47,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:47,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:46:47,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:47,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 07:46:47,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:47,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563451671] [2023-11-19 07:46:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:47,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:46:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:47,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:46:47,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:46:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:48,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 07:46:48,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:48,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:48,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:48,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563451671] [2023-11-19 07:46:48,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563451671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:48,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:48,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:48,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172965147] [2023-11-19 07:46:48,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:48,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:48,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:48,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:48,431 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:48,489 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 07:46:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:48,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 07:46:48,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:48,500 INFO L225 Difference]: With dead ends: 19 [2023-11-19 07:46:48,500 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 07:46:48,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:48,508 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:48,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 07:46:48,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 07:46:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 07:46:48,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 07:46:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:48,572 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:46:48,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 07:46:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 07:46:48,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:48,573 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:48,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:48,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:46:48,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:48,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:48,777 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 07:46:48,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:48,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803283896] [2023-11-19 07:46:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:48,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:46:48,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:48,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:46:48,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:46:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:48,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 07:46:48,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:49,183 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:55,915 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_9~0#1|))) (let ((.cse4 (= .cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_52~0#1|)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_50~0#1|))))))) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_12~0#1|)) (.cse2 (not .cse4))) (and (or (forall ((|v_ULTIMATE.start_main_~var_18_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_23_arg_0~0#1_5| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_5|) (_ bv0 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_23_arg_0~0#1_5|)))))) (_ bv0 8))) (and (or (forall ((|v_ULTIMATE.start_main_~var_54_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_7~0#1| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_7~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_54_arg_1~0#1_5|)))))) (_ bv2 32))))))) .cse1)) .cse2) (or (forall ((|ULTIMATE.start_main_~mask_SORT_7~0#1| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_7~0#1|) .cse3))) (_ bv2 32))))))) .cse1)) .cse4))) (or (forall ((|v_ULTIMATE.start_main_~var_18_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_23_arg_0~0#1_5| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_5|) (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_23_arg_0~0#1_5|)))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_7~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_7~0#1|) .cse3))) (_ bv2 32))))))) .cse1))) .cse4) (or (forall ((|v_ULTIMATE.start_main_~var_54_arg_1~0#1_5| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_7~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_7~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_54_arg_1~0#1_5|)))))) (_ bv2 32))))))) .cse1))) .cse2))))))) is different from false [2023-11-19 07:46:56,610 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 07:46:56,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:56,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803283896] [2023-11-19 07:46:56,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803283896] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:56,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:46:56,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:46:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24841099] [2023-11-19 07:46:56,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:56,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:46:56,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:46:56,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2023-11-19 07:46:56,614 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:57,179 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 07:46:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:46:57,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 07:46:57,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:57,181 INFO L225 Difference]: With dead ends: 15 [2023-11-19 07:46:57,181 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 07:46:57,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=31, Invalid=44, Unknown=1, NotChecked=14, Total=90 [2023-11-19 07:46:57,183 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:57,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 6 Unchecked, 0.2s Time] [2023-11-19 07:46:57,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 07:46:57,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 07:46:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 07:46:57,188 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 07:46:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:57,192 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 07:46:57,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 07:46:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:46:57,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:57,194 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 07:46:57,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:57,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:46:57,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:57,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 07:46:57,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:57,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84846907] [2023-11-19 07:46:57,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:46:57,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:46:57,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:57,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:46:57,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:46:57,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:46:57,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:46:57,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 07:46:57,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:59,635 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 07:46:59,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:21,160 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 07:47:21,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:21,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84846907] [2023-11-19 07:47:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84846907] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:21,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:47:21,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 07:47:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310800628] [2023-11-19 07:47:21,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:21,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:47:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:21,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:47:21,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=60, Unknown=5, NotChecked=0, Total=90 [2023-11-19 07:47:21,166 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:27,037 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-19 07:47:27,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-11-19 07:47:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:27,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=34, Invalid=71, Unknown=5, NotChecked=0, Total=110 [2023-11-19 07:47:27,040 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:27,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:47:27,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:27,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:27,246 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:845) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 47 more [2023-11-19 07:47:27,250 INFO L158 Benchmark]: Toolchain (without parser) took 40527.05ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 35.0MB in the end (delta: 39.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,250 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:27,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.07ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 61.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,252 INFO L158 Benchmark]: Boogie Preprocessor took 49.82ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 57.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,252 INFO L158 Benchmark]: RCFGBuilder took 417.79ms. Allocated memory is still 98.6MB. Free memory was 57.5MB in the beginning and 43.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,253 INFO L158 Benchmark]: TraceAbstraction took 39509.47ms. Allocated memory is still 98.6MB. Free memory was 43.2MB in the beginning and 35.0MB in the end (delta: 8.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-19 07:47:27,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.07ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 61.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.82ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 57.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.79ms. Allocated memory is still 98.6MB. Free memory was 57.5MB in the beginning and 43.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 39509.47ms. Allocated memory is still 98.6MB. Free memory was 43.2MB in the beginning and 35.0MB in the end (delta: 8.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5a6fd85-1550-4346-98d6-827a3d003928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")