./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU --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 6556ff515d0922dbe3a06bc5063ec9f60439b7c3554b3a4149c1075ac229d4f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:01,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:01,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:05:01,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:01,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:01,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:01,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:01,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:01,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:01,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:01,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:01,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:01,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:01,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:01,332 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:01,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:01,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:01,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:01,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:01,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:01,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:01,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:01,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:01,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:01,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:01,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:01,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:01,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:01,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:01,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:01,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:01,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:01,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:01,342 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:01,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:01,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:01,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:01,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:01,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:01,345 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_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6556ff515d0922dbe3a06bc5063ec9f60439b7c3554b3a4149c1075ac229d4f7 [2024-10-31 22:05:01,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:01,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:01,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:01,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:01,707 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:01,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c Unable to find full path for "g++" [2024-10-31 22:05:03,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:03,954 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:03,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2024-10-31 22:05:03,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/336ef98f3/faae02a9e79d4f6a8bd07a3062825fd3/FLAGd21439704 [2024-10-31 22:05:04,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/336ef98f3/faae02a9e79d4f6a8bd07a3062825fd3 [2024-10-31 22:05:04,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:04,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:04,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:04,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:04,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:04,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260086f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04, skipping insertion in model container [2024-10-31 22:05:04,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:04,572 WARN L251 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_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1247,1260] [2024-10-31 22:05:04,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:04,649 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:04,659 WARN L251 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_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1247,1260] [2024-10-31 22:05:04,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:04,700 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:04,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04 WrapperNode [2024-10-31 22:05:04,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:04,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:04,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:04,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:04,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,767 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 144 [2024-10-31 22:05:04,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:04,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:04,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:04,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:04,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,793 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,809 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:05:04,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:04,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:04,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:04,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:04,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (1/1) ... [2024-10-31 22:05:04,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:04,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:04,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:04,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:05:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:05,074 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:05,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:05,462 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:05,463 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:05,479 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:05,480 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:05,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:05 BoogieIcfgContainer [2024-10-31 22:05:05,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:05,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:05,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:05,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:05,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:04" (1/3) ... [2024-10-31 22:05:05,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c859c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:05, skipping insertion in model container [2024-10-31 22:05:05,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:04" (2/3) ... [2024-10-31 22:05:05,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c859c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:05, skipping insertion in model container [2024-10-31 22:05:05,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:05" (3/3) ... [2024-10-31 22:05:05,490 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synabs2.c [2024-10-31 22:05:05,511 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:05,512 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:05,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:05,586 INFO L333 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, 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;@194ec11f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:05,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.475) internal successors, (59), 41 states have internal predecessors, (59), 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) [2024-10-31 22:05:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:05:05,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:05,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:05,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:05,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:05,605 INFO L85 PathProgramCache]: Analyzing trace with hash -829897697, now seen corresponding path program 1 times [2024-10-31 22:05:05,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:05,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141582384] [2024-10-31 22:05:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:05,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:06,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:06,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141582384] [2024-10-31 22:05:06,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141582384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:06,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:06,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:05:06,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819946357] [2024-10-31 22:05:06,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:06,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:05:06,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:06,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:05:06,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:06,184 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.475) internal successors, (59), 41 states have internal predecessors, (59), 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 3.25) internal successors, (13), 4 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) [2024-10-31 22:05:06,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:06,227 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2024-10-31 22:05:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:06,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Word has length 13 [2024-10-31 22:05:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:06,237 INFO L225 Difference]: With dead ends: 73 [2024-10-31 22:05:06,237 INFO L226 Difference]: Without dead ends: 41 [2024-10-31 22:05:06,240 INFO L431 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 [2024-10-31 22:05:06,246 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:06,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-31 22:05:06,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-31 22:05:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2024-10-31 22:05:06,289 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 13 [2024-10-31 22:05:06,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:06,290 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2024-10-31 22:05:06,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-10-31 22:05:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-10-31 22:05:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:05:06,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:06,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:06,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:06,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:06,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:06,293 INFO L85 PathProgramCache]: Analyzing trace with hash 44670374, now seen corresponding path program 1 times [2024-10-31 22:05:06,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:06,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822942802] [2024-10-31 22:05:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:06,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:06,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822942802] [2024-10-31 22:05:06,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822942802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:06,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:06,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:05:06,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644176077] [2024-10-31 22:05:06,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:06,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:05:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:06,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:05:06,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:06,581 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-10-31 22:05:06,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:06,634 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2024-10-31 22:05:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:06,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 14 [2024-10-31 22:05:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:06,636 INFO L225 Difference]: With dead ends: 74 [2024-10-31 22:05:06,636 INFO L226 Difference]: Without dead ends: 43 [2024-10-31 22:05:06,637 INFO L431 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 [2024-10-31 22:05:06,638 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:06,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-31 22:05:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-31 22:05:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 42 states have internal predecessors, (59), 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) [2024-10-31 22:05:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-10-31 22:05:06,650 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 14 [2024-10-31 22:05:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:06,650 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-10-31 22:05:06,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-10-31 22:05:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-10-31 22:05:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:05:06,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:06,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:06,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:06,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:06,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:06,654 INFO L85 PathProgramCache]: Analyzing trace with hash 286815704, now seen corresponding path program 1 times [2024-10-31 22:05:06,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:06,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823871282] [2024-10-31 22:05:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:06,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:06,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823871282] [2024-10-31 22:05:06,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823871282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:06,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:06,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:06,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580561426] [2024-10-31 22:05:06,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:06,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:05:06,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:06,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:05:06,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:06,935 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-31 22:05:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:06,984 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2024-10-31 22:05:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:06,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2024-10-31 22:05:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:06,987 INFO L225 Difference]: With dead ends: 74 [2024-10-31 22:05:06,987 INFO L226 Difference]: Without dead ends: 41 [2024-10-31 22:05:06,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:06,990 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 50 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:06,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 97 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:06,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-31 22:05:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-31 22:05:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2024-10-31 22:05:07,002 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 15 [2024-10-31 22:05:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2024-10-31 22:05:07,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-10-31 22:05:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-10-31 22:05:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:05:07,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:07,006 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:07,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:07,006 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:07,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1865897385, now seen corresponding path program 1 times [2024-10-31 22:05:07,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:07,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85824004] [2024-10-31 22:05:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:07,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:05:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:07,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:05:07,144 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:05:07,153 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:05:07,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:05:07,158 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:05:07,188 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:07,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:07 BoogieIcfgContainer [2024-10-31 22:05:07,195 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:07,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:07,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:07,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:07,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:05" (3/4) ... [2024-10-31 22:05:07,201 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:05:07,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:07,204 INFO L158 Benchmark]: Toolchain (without parser) took 2876.12ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 106.9MB in the end (delta: 19.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,204 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:07,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.51ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 112.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.88ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 108.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,208 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 105.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,208 INFO L158 Benchmark]: RCFGBuilder took 648.47ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 108.8MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,209 INFO L158 Benchmark]: TraceAbstraction took 1712.13ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 107.9MB in the beginning and 106.9MB in the end (delta: 1.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-10-31 22:05:07,209 INFO L158 Benchmark]: Witness Printer took 6.61ms. Allocated memory is still 192.9MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:07,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.51ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 112.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.88ms. Allocated memory is still 159.4MB. Free memory was 112.7MB in the beginning and 108.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 105.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 648.47ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 108.8MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1712.13ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 107.9MB in the beginning and 106.9MB in the end (delta: 1.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 6.61ms. Allocated memory is still 192.9MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * 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 63. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 32); [L33] const SORT_19 msb_SORT_19 = (SORT_19)1 << (32 - 1); [L35] const SORT_4 var_5 = 0; [L36] const SORT_4 var_8 = 6; [L37] const SORT_1 var_14 = 1; [L38] const SORT_19 var_21 = 2; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_1=1, mask_SORT_4=31, var_14=1, var_21=2, var_5=0, var_8=6] [L43] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_1=1, mask_SORT_4=31, var_14=1, var_21=2, var_5=0, var_8=6] [L44] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L46] SORT_4 init_7_arg_1 = var_5; [L47] state_6 = init_7_arg_1 [L48] SORT_4 init_10_arg_1 = var_8; [L49] state_9 = init_10_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, state_6=0, state_9=6, var_14=1, var_21=2] [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; VAL [mask_SORT_1=1, mask_SORT_4=31, state_6=0, state_9=6, var_14=1, var_16_arg_0=1, var_16_arg_1=-2, var_21=2] [L63] EXPR var_16_arg_0 & var_16_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, state_6=0, state_9=6, var_14=1, var_21=2] [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] EXPR var_16 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=31, state_6=0, state_9=6, var_14=1, var_21=2] [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 155 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:05:07,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU --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 6556ff515d0922dbe3a06bc5063ec9f60439b7c3554b3a4149c1075ac229d4f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:09,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:09,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-31 22:05:09,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:09,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:09,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:09,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:09,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:09,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:09,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:09,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:09,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:09,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:09,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:09,999 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:09,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:09,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:10,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:10,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:10,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:10,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:10,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:05:10,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:05:10,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:10,005 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:05:10,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:10,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:10,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:10,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:10,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:10,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:10,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:10,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:10,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:10,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:10,008 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:05:10,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:05:10,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:10,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:10,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:10,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:10,010 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:05:10,011 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_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6556ff515d0922dbe3a06bc5063ec9f60439b7c3554b3a4149c1075ac229d4f7 [2024-10-31 22:05:10,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:10,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:10,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:10,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:10,472 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:10,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c Unable to find full path for "g++" [2024-10-31 22:05:12,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:12,801 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:12,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2024-10-31 22:05:12,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/90c7fd514/f9578aa2f2b640caa15480d96873b38b/FLAG3e95a314f [2024-10-31 22:05:12,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/data/90c7fd514/f9578aa2f2b640caa15480d96873b38b [2024-10-31 22:05:12,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:12,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:12,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:12,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:12,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:12,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:12" (1/1) ... [2024-10-31 22:05:12,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0dfbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:12, skipping insertion in model container [2024-10-31 22:05:12,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:12" (1/1) ... [2024-10-31 22:05:12,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:13,173 WARN L251 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_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1247,1260] [2024-10-31 22:05:13,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:13,252 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:13,291 WARN L251 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_32641d2f-57a3-4978-8099-b03360a706be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1247,1260] [2024-10-31 22:05:13,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:13,374 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:13,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13 WrapperNode [2024-10-31 22:05:13,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:13,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:13,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:13,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:13,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,434 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-10-31 22:05:13,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:13,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:13,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:13,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:13,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,493 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:05:13,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:13,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:13,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:13,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:13,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (1/1) ... [2024-10-31 22:05:13,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:13,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:13,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:05:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:13,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:13,743 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:13,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:14,002 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:14,003 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:14,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:14,020 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:14,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:14 BoogieIcfgContainer [2024-10-31 22:05:14,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:14,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:14,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:14,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:14,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:12" (1/3) ... [2024-10-31 22:05:14,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6f5acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:14, skipping insertion in model container [2024-10-31 22:05:14,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:13" (2/3) ... [2024-10-31 22:05:14,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6f5acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:14, skipping insertion in model container [2024-10-31 22:05:14,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:14" (3/3) ... [2024-10-31 22:05:14,034 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synabs2.c [2024-10-31 22:05:14,058 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:14,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:14,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:14,125 INFO L333 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, 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;@78fe2215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:14,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-10-31 22:05:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:05:14,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:14,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:05:14,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:14,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-10-31 22:05:14,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:14,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260930683] [2024-10-31 22:05:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:14,178 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 [2024-10-31 22:05:14,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:14,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:14,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:14,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:05:14,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:14,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:14,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260930683] [2024-10-31 22:05:14,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260930683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:14,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:05:14,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463663140] [2024-10-31 22:05:14,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:14,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:05:14,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:14,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:05:14,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:14,749 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-10-31 22:05:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:14,834 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 22:05:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:14,838 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 [2024-10-31 22:05:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:14,848 INFO L225 Difference]: With dead ends: 18 [2024-10-31 22:05:14,848 INFO L226 Difference]: Without dead ends: 10 [2024-10-31 22:05:14,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:14,860 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2024-10-31 22:05:14,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-31 22:05:14,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-10-31 22:05:14,901 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) [2024-10-31 22:05:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-10-31 22:05:14,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-10-31 22:05:14,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:14,905 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-10-31 22:05:14,905 INFO L472 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) [2024-10-31 22:05:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-10-31 22:05:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:05:14,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:14,908 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:14,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 22:05:15,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:15,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:15,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:15,111 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-10-31 22:05:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:15,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018659014] [2024-10-31 22:05:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:15,112 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 [2024-10-31 22:05:15,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:15,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:15,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:15,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-31 22:05:15,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:15,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:05:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:15,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018659014] [2024-10-31 22:05:15,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018659014] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:05:15,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:05:16,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-31 22:05:16,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993521459] [2024-10-31 22:05:16,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:05:16,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:05:16,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:16,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:05:16,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:05:16,007 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) [2024-10-31 22:05:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:16,303 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-10-31 22:05:16,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:05:16,304 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 [2024-10-31 22:05:16,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:16,305 INFO L225 Difference]: With dead ends: 18 [2024-10-31 22:05:16,305 INFO L226 Difference]: Without dead ends: 16 [2024-10-31 22:05:16,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:05:16,309 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:16,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:05:16,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-10-31 22:05:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-31 22:05:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-10-31 22:05:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-10-31 22:05:16,321 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-10-31 22:05:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:16,322 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-10-31 22:05:16,322 INFO L472 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) [2024-10-31 22:05:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-10-31 22:05:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:05:16,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:16,323 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-10-31 22:05:16,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:16,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:16,527 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:16,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:16,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-10-31 22:05:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:16,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143009345] [2024-10-31 22:05:16,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:05:16,529 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 [2024-10-31 22:05:16,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:16,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:16,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:16,647 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:05:16,647 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:05:16,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-31 22:05:16,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:17,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:05:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:17,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:17,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143009345] [2024-10-31 22:05:17,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143009345] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:05:17,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:05:17,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-10-31 22:05:17,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886413673] [2024-10-31 22:05:17,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:05:17,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:05:17,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:05:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:05:17,904 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2024-10-31 22:05:19,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:19,101 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2024-10-31 22:05:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 22:05:19,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 14 [2024-10-31 22:05:19,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:19,103 INFO L225 Difference]: With dead ends: 30 [2024-10-31 22:05:19,103 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:05:19,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2024-10-31 22:05:19,105 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:19,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:05:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:05:19,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-10-31 22:05:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2024-10-31 22:05:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-10-31 22:05:19,115 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2024-10-31 22:05:19,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:19,116 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-10-31 22:05:19,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2024-10-31 22:05:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-10-31 22:05:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:05:19,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:19,117 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1] [2024-10-31 22:05:19,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 22:05:19,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:19,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:19,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash 96933411, now seen corresponding path program 3 times [2024-10-31 22:05:19,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:19,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883211443] [2024-10-31 22:05:19,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:05:19,321 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 [2024-10-31 22:05:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:19,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:19,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-31 22:05:19,490 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-10-31 22:05:19,490 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:05:19,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-31 22:05:19,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:20,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:05:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:22,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:22,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883211443] [2024-10-31 22:05:22,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883211443] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:05:22,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:05:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-10-31 22:05:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764100200] [2024-10-31 22:05:22,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:05:22,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-31 22:05:22,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-31 22:05:22,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2024-10-31 22:05:22,756 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:25,687 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2024-10-31 22:05:25,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-31 22:05:25,688 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-10-31 22:05:25,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:25,689 INFO L225 Difference]: With dead ends: 48 [2024-10-31 22:05:25,689 INFO L226 Difference]: Without dead ends: 46 [2024-10-31 22:05:25,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=392, Invalid=1014, Unknown=0, NotChecked=0, Total=1406 [2024-10-31 22:05:25,691 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:25,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 41 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:05:25,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-31 22:05:25,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-10-31 22:05:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 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) [2024-10-31 22:05:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2024-10-31 22:05:25,714 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 26 [2024-10-31 22:05:25,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:25,714 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2024-10-31 22:05:25,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2024-10-31 22:05:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-31 22:05:25,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:25,716 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1] [2024-10-31 22:05:25,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-31 22:05:25,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:25,920 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:25,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1558545309, now seen corresponding path program 4 times [2024-10-31 22:05:25,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:25,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905618709] [2024-10-31 22:05:25,925 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:05:25,926 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 [2024-10-31 22:05:25,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:25,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:25,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-31 22:05:26,152 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:05:26,153 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-10-31 22:05:26,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:05:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:26,418 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:05:26,418 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:05:26,419 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:05:26,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-31 22:05:26,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:26,629 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1] [2024-10-31 22:05:26,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:26,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:26 BoogieIcfgContainer [2024-10-31 22:05:26,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:26,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:26,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:26,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:26,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:14" (3/4) ... [2024-10-31 22:05:26,693 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 22:05:26,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:05:26,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:26,823 INFO L158 Benchmark]: Toolchain (without parser) took 13988.10ms. Allocated memory was 71.3MB in the beginning and 197.1MB in the end (delta: 125.8MB). Free memory was 47.7MB in the beginning and 77.2MB in the end (delta: -29.5MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:26,823 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:26,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.47ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 72.6MB in the end (delta: -25.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:05:26,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.21ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 70.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:26,824 INFO L158 Benchmark]: Boogie Preprocessor took 88.76ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:26,825 INFO L158 Benchmark]: RCFGBuilder took 492.01ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 55.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:26,825 INFO L158 Benchmark]: TraceAbstraction took 12666.74ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 54.9MB in the beginning and 86.7MB in the end (delta: -31.8MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-10-31 22:05:26,826 INFO L158 Benchmark]: Witness Printer took 131.37ms. Allocated memory is still 197.1MB. Free memory was 86.7MB in the beginning and 77.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:26,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.47ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 72.6MB in the end (delta: -25.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.21ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 70.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.76ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.01ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 55.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12666.74ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 54.9MB in the beginning and 86.7MB in the end (delta: -31.8MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 131.37ms. Allocated memory is still 197.1MB. Free memory was 86.7MB in the beginning and 77.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 32); [L33] const SORT_19 msb_SORT_19 = (SORT_19)1 << (32 - 1); [L35] const SORT_4 var_5 = 0; [L36] const SORT_4 var_8 = 6; [L37] const SORT_1 var_14 = 1; [L38] const SORT_19 var_21 = 2; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L43] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L44] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L46] SORT_4 init_7_arg_1 = var_5; [L47] state_6 = init_7_arg_1 [L48] SORT_4 init_10_arg_1 = var_8; [L49] state_9 = init_10_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, state_6=0, state_9=6, var_14=1, var_21=2] [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) [L66] RET __VERIFIER_assert(!(bad_17_arg_0)) [L68] SORT_4 var_20_arg_0 = state_6; [L69] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L70] SORT_19 var_20 = var_20_arg_0; [L71] SORT_19 var_22_arg_0 = var_20; [L72] SORT_19 var_22_arg_1 = var_21; [L73] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L74] SORT_19 var_23_arg_0 = var_22; [L75] SORT_4 var_23 = var_23_arg_0 >> 0; [L76] var_23 = var_23 & mask_SORT_4 [L77] SORT_4 next_24_arg_1 = var_23; [L78] SORT_4 var_25_arg_0 = state_9; [L79] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L80] SORT_19 var_25 = var_25_arg_0; [L81] SORT_19 var_26_arg_0 = var_25; [L82] SORT_19 var_26_arg_1 = var_21; [L83] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L84] SORT_19 var_27_arg_0 = var_26; [L85] SORT_4 var_27 = var_27_arg_0 >> 0; [L86] var_27 = var_27 & mask_SORT_4 [L87] SORT_4 next_28_arg_1 = var_27; [L89] state_6 = next_24_arg_1 [L90] state_9 = next_28_arg_1 [L52] input_2 = __VERIFIER_nondet_uchar() [L53] input_3 = __VERIFIER_nondet_uchar() [L56] SORT_4 var_11_arg_0 = state_6; [L57] SORT_4 var_11_arg_1 = state_9; [L58] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L59] SORT_1 var_15_arg_0 = var_11; [L60] SORT_1 var_15 = ~var_15_arg_0; [L61] SORT_1 var_16_arg_0 = var_14; [L62] SORT_1 var_16_arg_1 = var_15; [L63] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L64] var_16 = var_16 & mask_SORT_1 [L65] SORT_1 bad_17_arg_0 = var_16; [L66] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 359 IncrementalHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 16 mSDtfsCounter, 359 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=4, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 94 ConstructedInterpolants, 36 QuantifiedInterpolants, 7926 SizeOfPredicates, 18 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/188 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 proved your program to be incorrect! [2024-10-31 22:05:26,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32641d2f-57a3-4978-8099-b03360a706be/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE